PROPYLENE GLYCOL PROPYL ETHER

Propylene glycol propyl ether is widely used as a solvent in cleaning formulations such as glass and all-purpose cleaners.

Propylene glycol propyl ether provides good solubility for both polar and non-polar materials.

Propylene glycol propyl ether is used as antifreeze in diesel engines.

CAS Number: 1569-01-3

EC Number: 216-372-4

Chemical Formula: C6H14O2

Molecular Weight: 118.18 g/mol

Synonyms: 1-propoxypropan-2-ol, 1-propoxypropan-2-ol, 2-Propanol, 1-propoxy-, 1-propoxy, 2-propanol, 1-PROPOXY-2-PROPANOL, 1-Propoxy-2-propanol, 1-propoxy-2-propanol, 1-PROPOXYPROPAN-2-OL, 1-Propoxypropan-2-ol, 1-propoxypropan-2-ol, 1-propoxypropan-2-ol, 2 propanol, 1 propoxy, 2-Propanol, 1-propoxy-, 2-Propoxypropanol, PFG_1-Propoxypropan-2-ol, PROPYLENE GLYCOL MONOPROPYL ETHER, Propylene Glycol N-propyl Ether, propylene glycol n-propyl ether, propylene glycol n-propyl ether, Propylene glycol propyl ether, DOWANOL™ PnP Glycol Ether, Glycol Ether PNP, PFG, 1569-01-3, 1-PROPOXY-2-PROPANOL, 1569-01-3, 1-Propoxypropan-2-ol, 2-Propanol, 1-Propoxy-, PROPASOL Solvent P, Propylene glycol propyl ether, Propylene glycol n-propyl ether, 2-Propanol, propoxy-, Propylene glycol-n-monopropyl ether, 1-Propoxy-2-propanol (contains 2-Isopropoxy-1-propanol), 152BY1743W, CAS-1569-01-3, HSDB 6482, EINECS 216-372-4, BRN 1732636, UNII-152BY1743W, propylene glycol normal propyl ether, EC 216-372-4, SCHEMBL34792, CHEMBL1487817, DTXSID5029217, Propylene glycol propyl ether, 99%, Tox21_201392, Tox21_303414, MFCD00192420, AKOS009157289, PROPYLENE GLYCOL 1-PROPYL ETHER, (+/-)-1-PROPOXY-2-PROPANOL, NCGC00090992-01, NCGC00090992-02, NCGC00257399-01, NCGC00258943-01, LS-13217, Propylene glycol propyl ether, >=98.5%, 1-PROPOXY-2-PROPANOL, (+/-)-, 1,2-PROPYLENE GLYCOL 1-PROPYL ETHER, FT-0694388, P2042, W-109681, Q26840797, 1,2-Propandiol –1-propoxypropan (1:1) [German] [ACD/IUPAC Name], 1,2-Propanediol – 1-propoxypropane (1:1) [ACD/IUPAC Name], 1,2-Propanediol – 1-propoxypropane (1:1) [French] [ACD/IUPAC Name], 1,2-Propanediol, compd. with 1,1′-oxybis[propane] (1:1) [ACD/Index Name], PROPYLENE GLYCOL N-PROPYL ETHER, Propylene glycol propyl ether, P10620000

Propylene glycol methyl ether is an organic solvent with a wide variety of industrial and commercial uses.

Similar to other glycol ethers, Propylene glycol methyl ether is used as a solvent in printing inks and paint coatings.

Propylene glycol propyl ether also finds use as an industrial and commercial paint remover.

Propylene glycol propyl ether is used as antifreeze in diesel engines.

Propylene glycol methyl ether is a class of solvents used in a wide variety of industrial, commercial and consumer applications, such as paints, cleaners and inks.

Propylene glycol propyl ether is commonly used as coupling agents and solvents in paints.

Propylene glycol propyl ether; They are materials used in the production of coatings, resins, inks and cleaners.

Propylene glycol propyl ether contains low toxicity.

Propylene glycol propyl ether offers increased electrolyte solubility and excellent wetting ability.

Propylene glycol propyl ethers have safer metabolic activities compared to ethylene glycol ethers.

Propylene glycol propyl ether are also used in cleaning because they provide a comprehensive combination of essential physical and performance properties for formulations in cleaning.

Propylene glycol propyl ether are also used as high-performance industrial solvents for paints, inks and a variety of other applications.

Propylene glycol propyl ether is registered under the REACH Regulation and is manufactured in and / or imported to the European Economic Area, at ≥ 1 000 to < 10 000 tonnes perannum. Propylene glycol propyl ether is used by consumers, by professional workers (widespread uses), in formulation or re-packing and at industrial sites. Propylene glycol propyl ether provides a reduction in surface tension. Propylene glycol propyl ether provides good solubility for both polar and non-polar materials. Propylene glycol propyl ether is also used in the production of laminates and in the making of circuit boards in the electronics industry. Propylene glycol propyl ether is also used in semiconductor processes. Propylene glycol propyl ether is widely used as a solvent in cleaning formulations such as glass and all-purpose cleaners. In a binary system, the effects of propylene oxide groups –OCH(CH3)CH2– and ethylene oxide groups –OCH2CH2– on the subcritical solution temperature are different. The lower critical solution temperature of mixtures of Propylene glycol propyl ether and dipropylene glycol propyl ether with water is different. Propylene glycol propyl ether has a faint ether-like odor. Propylene glycol propyl ether is a clear, colorless liquid. Propylene glycol propyl ether is slightly soluble in water but miscible with most common organic solvents. Propylene glycol propyl ether is slightly hygroscopic. Propylene glycol propyl ether evaporates relatively quickly. Propylene glycol propyl ether has low viscosity. Propylene glycol propyl ether exhibits good solvent powers by undergoing reactions characteristic of both esters and ethers. Propylene glycol propyl ether is widely used as a solvent in cleaning formulations such as glass and all-purpose cleaners. In a binary system, the effects of propylene oxide groups –OCH(CH3)CH2– and ethylene oxide groups –OCH2CH2– on the subcritical solution temperature are different. Propylene glycol propyl ether is a clear, colorless liquid. Propylene glycol propyl ether is slightly soluble in water but miscible with most common organic solvents. Propylene glycol propyl ether is slightly hygroscopic. Propylene glycol propyl ether evaporates relatively quickly. Propylene glycol propyl ether has low viscosity. Propylene glycol propyl ether exhibits good solvent powers by undergoing reactions characteristic of both esters and ethers. Propylene glycol propyl ether are also used in cleaning because they provide a comprehensive combination of essential physical and performance properties for formulations in cleaning. Propylene glycol propyl ether are also used as high-performance industrial solvents for paints, inks and a variety of other applications. Propylene glycol propyl ether provide good solubility for resins. Propylene glycol propyl ether provides a reduction in surface tension. Propylene glycol propyl ether provides good solubility for both polar and non-polar materials. Propylene glycol propyl ether is also used in the production of laminates and in the making of circuit boards in the electronics industry. Propylene glycol propyl ether is also used in semiconductor processes. Propylene glycol propyl ether is widely used as a solvent in cleaning formulations such as glass and all-purpose cleaners. In a binary system, the effects of propylene oxide groups –OCH(CH3)CH2– and ethylene oxide groups –OCH2CH2– on the subcritical solution temperature are different. Propylene glycol propyl ether is a clear, colorless liquid. Propylene glycol propyl ether is slightly soluble in water but miscible with most common organic solvents. Propylene glycol propyl ether is slightly hygroscopic. Propylene glycol propyl ether evaporates relatively quickly. Propylene glycol propyl ether has low viscosity. Propylene glycol propyl ether exhibits good solvent powers by undergoing reactions characteristic of both esters and ethers. Propylene glycol propyl ether is a clear, colorless having a mild characteristic odor.  The principal end uses of Propylene glycol propyl ether are industrial solvent, chemical intermediate, printing inks, paints and coatings. Propylene glycol propyl ether should be stored only in tightly closed, properly vented containers away from heat, sparks, open flame or strong oxidizing agents. Propylene glycol propyl ether is a colorless liquid with an ether-like odor.  Propylene glycol propyl ether evaporates quickly and is completely soluble (mixes easily) in water.  Propylene glycol propyl ether is a propylene oxide-based, or Pseries, glycol ether.  Propylene glycol propyl ether is commercially available as a mix of two isomers.  Propylene glycol propyl ether is the major isomer comprising at least 95% of the mixture, while 2-n-propoxy-1-propanol makes up the remaining 5%. Propylene glycol propyl ether is an organic solvent with a wide variety of industrial and commercial uses. Similar to other glycol ethers, Propylene glycol propyl ether is used as a carrier/solvent in printing/writing inks and paints/coatings.  Propylene glycol propyl ether also finds use as an industrial and commercial paint stripper.  Propylene glycol propyl ether is used as an antifreeze in diesel engines. Propylene glycol propyl ether s are a class of solvents used in a wide array of industrial, commercial and consumer applications, such as in paints, cleaners and inks. Uses of Propylene Glycol Methyl Ether: Propylene glycol propyl ether is a versatile solvent widely used in various industrial and commercial applications. Propylene glycol methyl ether plays a key role in coatings, inks, and paints, improving their flow, gloss, and drying time, while also enhancing the performance of waterborne formulations. In cleaning products, Propylene glycol propyl ether is effective at dissolving oils, greases, and resins, making it a common ingredient in both household and industrial cleaners. Propylene glycol methyl ether's use extends to the pharmaceutical and cosmetic industries, where it acts as a solvent for active ingredients in personal care products. Propylene glycol propyl ether is also utilized in agricultural applications, such as pesticide formulations, to ensure even distribution. Furthermore, Propylene glycol methyl ether is valuable in the printing industry as a solvent for water-based inks and dyes, enhancing penetration and drying properties. Additionally, Propylene glycol propyl ether contributes to the efficiency of adhesives and sealants in industrial processes. Propylene glycol methyl ether's low volatility and high solvency make it an essential component across numerous industries. Solvent: Propylene glycol methyl ether is used as a solvent in coatings, inks, and paints for improved flow and gloss. Utilized in industrial cleaning products, including degreasers and surface cleaners. Coating Additive: Enhances the drying time and performance of waterborne coatings. Cleaning Products: A key ingredient in household cleaners for dissolving oils, greases, and resins. Pharmaceuticals and Cosmetics: Employed in personal care products as a solvent for active ingredients. Agriculture: Propylene glycol methyl ether is used in pesticide formulations to ensure even distribution. Ink and Printing Industry: A solvent for water-based inks and dyes, improving their penetration and drying characteristics. Adhesives and Sealants: Propylene glycol methyl ether is used to enhance adhesive formulations for industrial applications. Consumer Uses: Propylene glycol propyl ether is used in the following products: coating products, washing & cleaning products, adhesives and sealants, cosmetics and personal care products and fuels. Other release to the environment of Propylene glycol propyl ether is likely to occur from: indoor use as processing aid and outdoor use as processing aid. Widespread uses by professional workers: Propylene glycol propyl ether is used in the following products: coating products. Other release to the environment of Propylene glycol propyl ether is likely to occur from: indoor use as processing aid and outdoor use as processing aid. Uses at industrial sites: Propylene glycol propyl ether is used in the following products: coating products. Release to the environment of Propylene glycol propyl ether can occur from industrial use: in processing aids at industrial sites, as processing aid, manufacturing of Propylene glycol propyl ether, formulation of mixtures, formulation in materials, in the production of articles and as processing aid. Applications of Propylene Glycol Methyl Ether: With proper HLB value and high safety, Propylene glycol propyl ether can be used as ingredient of household/ industrial cleansers.  Propylene glycol propyl ether can also be used as high polymer solvent in water-soluble / solvent-type coating. Propylene glycol propyl ether is mainly used as industrial solvent, water-based coating, ink and cleanser.  As a good coupling agent, Propylene glycol propyl ether can replace alcohol solvent in the dissolving process of dyestuff.  Some formulas can be changed to be water-soluble by applying Propylene glycol propyl ether in ink production to lower the ink toxicity and improve operating environment.  Propylene glycol propyl ether can be used to make various condensate cleansers. Propylene glycol propyl ethers are organic compounds produced from the reaction of propylene oxide with alcohols that are base catalysed.  Alcohols include but are not limited to methanol, ethanol, propanol, butanol, and phenol.  Higher glycol ethers can be produced from the subsequent reactions with additional propylene oxides. Propylene glycol propyl ether are commonly used as coupling agents in paints and as solvents and are also materials for producing coatings, resins, inks, and cleaners. Compared to ethylene glycol ethers, Propylene glycol propyl ethers offer coupling advantages, low toxicity, increased electrolyte solubility, and excellent wetting ability.  Propylene glycol propyl ethers have safer metabolic activities compared to ethylene glycol ethers. Propylene glycol propyl ethers use comparable handling procedures that are similar with other common industrial solvents.  These can be stored in carbon steel containers.  However, if there is slight discoloration or there is trace iron contamination, phenolic-lined drums of stainless steel tanks should be considered as storage tanks. Propylene glycol propyl ether should use polymers such as Teflon, polyethylene and polypropylene.  Compatibility should be verified in the selection of such materials for the Propylene glycol propyl ether. The following should be avoided when storing Propylene glycol propyl ethers—contact with air, copper and copper alloys, Buna N, butylene, and neoprene, and aluminum and aluminum alloys. One of the largest application areas of Propylene glycol propyl ethers is the protective coatings.  Coatings formulators, resin manufacturers, and coating applicators apply these in protective coatings for applications in industry, automotive, and in architecture.  They are also used in cleaning since they provide an extensive combination of basic physical and performance properties for formulations in cleaning. They are also used as high-performance industrial solvents for paints, inks, and other various applications.  New product development and reformulations have used these as solvents. Propylene glycol propyl ethers can be used for different applications that other glycol ethers may not be used for the same purpose.  They do not produce toxicological effects that are connected with the use of certain ethylene glycol ethers.  Propylene glycol propyl ethers do not produce the same effects as these other glycol ethers. Propylene glycol propyl ethers provide good solvency for a various resins that include epoxies, acrylic, alkyds, polyesters, nitrocellulose, and polyurethanes.  Low toxicity, reduction of surface tension, and good solvency for both polar and nonpolar materials is provided by these for cleaners.  They are also used in the manufacture of laminates and in semiconductor processes that are used to make circuit boards in the electronics industry. Propylene glycol propyl ether is a colorless liquid with low toxicity and a low odor.  Propylene glycol methyl ether's low evaporation rate coupled with its hydrophilic and hydrophobic nature makes Propylene glycol propyl ether a good coupling agent and solvent.  Propylene glycol propyl ether is moderately water soluble, yet an efficient surface tension reducer. Propylene glycol propyl ether is mainly used as industrial solvent, water-based coating, oil film and cleaner.  In the process of dye dissolution, Propylene glycol propyl ether is a good coupling agent instead of alcohol solvent.  When Propylene glycol propyl ether is used in ink production, some formulas can be changed into water solubility, which can reduce the toxicity of ink, improve the operating environment and improve the printing quality.  Coatings: Propylene glycol propyl ether performs well in coatings applications as a coalescent for waterborne coatings and a solvent for solvent-borne coatings.  Propylene glycol propyl ether blends well with other materials such as the more hydrophobic glycol ethers.  Overall Propylene glycol methyl ether makes an excellent choice as a coalescing agent and it makes a good viscosity control agent. Cleaners: Low toxicity, surface tension reduction, and moderate evaporation are some of the benefits of using Propylene glycol propyl ether in cleaning formulations.  Propylene glycol propyl ether also provides good solvency for polar and non- polar materials. Other Applications: The properties of Propylene glycol propyl ether also support its use in agricultural, electronic, inks, textile, sealants and adhesive products.  Specific end uses may require approval from governing regulatory agencies. Propylene glycol propyl ether is a solvent cleaning agent that can also be found in household cleaners and degreasers.  Propylene glycol propyl ether works by dissolving the soils so they are easy to remove.  Propylene glycol propyl ether is good at helping to remove many types of soils including greasy soils. Benefits of Propylene glycol propyl ether Excellent Solvent Properties: Propylene glycol propyl ether dissolves a wide range of substances, making it versatile for coatings, paints, inks, and cleaning products. Low Toxicity: Compared to many other solvents, Propylene glycol propyl ether has relatively low toxicity, making it safer for both industrial and consumer applications. Environmental Compatibility: With reduced emissions of volatile organic compounds (VOCs), Propylene glycol propyl ether aligns with environmental regulations and sustainable practices. Compatibility with Formulations: Propylene glycol methyl ether blends well with both water- and oil-based systems, enhancing the stability and performance of products like cleaners, adhesives, and cosmetics. Improved Product Performance: In coatings and paints, Propylene glycol propyl ether enhances flow, leveling, and gloss, while in cleaning products, it effectively removes oils, greases, and residues. Stability: Propylene glycol propyl ether is chemically stable, ensuring long shelf life and consistent performance across various applications. Mild Odor: Propylene glycol methyl ether's low odor profile improves the user experience, especially in consumer products. Production of Propylene Glycol Methyl Ether: Propylene glycol propyl ether is typically produced through a catalytic etherification process. The production involves the reaction between propylene oxide and 1-propanol in the presence of an acidic or basic catalyst. This reaction results in the formation of a mixture of isomers, primarily n-Propylene glycol propyl ether (1-propoxy-2-propanol) and iso-Propylene glycol propyl ether (2-propoxy-1-propanol). The process steps include: Raw Material Preparation: Propylene oxide and 1-propanol are purified to remove impurities. Reaction: The two reactants are introduced into a reactor along with a catalyst. The reaction occurs under controlled temperature and pressure to optimize yield. Separation and Purification: The reaction mixture is distilled to separate Propylene glycol propyl ether from unreacted raw materials and by-products. Further purification ensures the desired isomer composition and product quality. Stabilization and Packaging: Stabilizers may be added to enhance shelf life and prevent oxidation. The final product is then packaged for distribution. General Manufacturing Information of Propylene Glycol Methyl Ether: Industry Processing Sectors: All Other Chemical Product and Preparation Manufacturing Computer and Electronic Product Manufacturing Fabricated Metal Product Manufacturing Not Known or Reasonably Ascertainable Paint and Coating Manufacturing Printing Ink Manufacturing Soap, Cleaning Compound, and Toilet Preparation Manufacturing Synthetic Dye and Pigment Manufacturing Transportation Equipment Manufacturing Synthesis of Propylene Glycol Methyl Ether: The synthesis of Propylene glycol propyl ether involves the reaction of propylene oxide with 1-propanol through an etherification process. This reaction is typically catalyzed by either an acid or a base to enhance efficiency and yield. Reaction Mechanism: Step 1: Propylene oxide reacts with 1-propanol in the presence of a catalyst. Step 2: The reaction forms a mixture of isomers, primarily n-Propylene glycol propyl ether (1-propoxy-2-propanol) and iso-Propylene glycol propyl ether (2-propoxy-1-propanol). Catalysts: Acidic catalysts, such as sulfuric acid or ion-exchange resins. Basic catalysts, such as sodium hydroxide or potassium hydroxide. Reaction Conditions: Temperature: Typically between 50°C and 150°C, depending on the catalyst used. Pressure: Moderate pressure is applied to keep the propylene oxide in a liquid or gas phase, ensuring efficient interaction with 1-propanol. Purification: After the reaction, the product mixture undergoes distillation to separate and purify Propylene glycol propyl ether from unreacted raw materials and by-products. High-purity Propylene glycol propyl ether is obtained, often containing stabilizers to prevent oxidation during storage. Biosynthesis of Propylene Glycol Methyl Ether: While Propylene glycol propyl ether is primarily produced synthetically through chemical processes, there is no direct biosynthetic pathway for Propylene glycol propyl ether in nature. However, the concept of biosynthesis can be applied to produce similar compounds or intermediates using biotechnological approaches. For Propylene glycol propyl ether-like compounds, biosynthesis could involve enzymatic or microbial processes tailored to produce glycol ethers or their precursors. Potential Pathway for Biosynthesis: Bioproduction of Propylene Oxide: Propylene oxide can be synthesized biologically using genetically engineered microorganisms, such as bacteria or yeast, capable of converting renewable feedstocks (e.g., glucose or glycerol) into epoxides. Bio-derived Alcohol Production: 1-Propanol can be produced via microbial fermentation using bacteria such as Clostridium acetobutylicum or Escherichia coli. Enzymatic Etherification: Enzymes like alcohol dehydrogenases or oxidoreductases could potentially catalyze the reaction between bio-derived propylene oxide and 1-propanol to form Propylene glycol propyl ether or similar ethers. Advantages of Biosynthesis: Utilization of renewable resources like biomass or agricultural waste. Reduced reliance on petrochemical feedstocks, minimizing environmental impact. Potential for milder reaction conditions compared to traditional chemical processes. History of Propylene Glycol Methyl Ether: Propylene glycol propyl ether has its origins in the development of glycol ethers during the early 20th century, as the chemical industry sought versatile solvents for various applications. Derived from the reaction of propylene oxide with 1-propanol, Propylene glycol propyl ether emerged as a valuable compound due to its high solvency, low volatility, and compatibility with diverse formulations. By the mid-20th century, Propylene glycol methyl ether's production scaled up to meet the growing demand for efficient solvents in coatings, cleaners, and industrial processes. In the late 20th century, environmental concerns and regulatory efforts to reduce hazardous emissions further increased the adoption of glycol ethers like Propylene glycol propyl ether, known for their relatively low toxicity. Today, Propylene glycol propyl ether remains a widely used solvent in industries ranging from coatings and adhesives to personal care, with ongoing innovations in green chemistry driving sustainable production methods. Handling and Storage of Propylene Glycol Methyl Ether: Handling: Avoid inhaling vapors or mist. Ensure good ventilation in work areas to minimize exposure. Use appropriate personal protective equipment (PPE), including gloves and eye protection. Avoid direct skin contact; wash hands thoroughly after handling. Keep away from heat, open flames, or sparks to prevent ignition. Storage: Store in a cool, dry, well-ventilated area. Keep containers tightly closed when not in use. Store away from incompatible materials such as strong oxidizers, acids, and alkalis. Do not store near open flames or sources of heat. Keep out of the reach of children and unauthorized personnel. Recommended storage temperature: 10–30°C (50–86°F). Stability and Reactivity of Propylene Glycol Methyl Ether: Stability: Chemically stable under normal storage conditions. Sensitive to oxidation, and stabilizers may be added to prevent degradation over time. Stable in the presence of light, heat, and air, but degradation may occur with prolonged exposure. Reactivity: Reacts with strong oxidizing agents, acids, and alkalis, which may cause hazardous reactions. Can undergo combustion when exposed to high temperatures or open flames. Incompatible with strong acids, bases, and powerful oxidizers like chlorates, nitrates, and peroxides. First Aid Measures of Propylene Glycol Methyl Ether: Inhalation: Move the person to fresh air immediately. If symptoms persist (e.g., dizziness, coughing), seek medical attention. Skin Contact: Wash the affected area with plenty of soap and water. Remove contaminated clothing and shoes. If irritation persists, seek medical attention. Eye Contact: Rinse immediately with plenty of water for at least 15 minutes, holding eyelids open. Seek medical attention if irritation persists. Ingestion: Do not induce vomiting. Rinse mouth with water and give small amounts of water to drink if the person is conscious. Seek immediate medical attention. Firefighting Measures of Propylene Glycol Methyl Ether: Suitable Extinguishing Media: Use foam, dry chemical, carbon dioxide (CO2), or water spray to extinguish fires. Do not use direct water jets on burning material. Specific Hazards: Combustible liquid. Vapors can form flammable mixtures with air. When heated to decomposition, may release toxic fumes, including carbon monoxide and carbon dioxide. Protective Equipment for Firefighters: Wear self-contained breathing apparatus (SCBA) and full protective gear. Avoid breathing smoke or fumes. Isolate the fire area and prevent access to unprotected personnel. Accidental Release Measures of Propylene Glycol Methyl Ether: Personal Precautions: Wear appropriate PPE, including gloves, safety goggles, and protective clothing. Avoid inhalation of vapors and ensure adequate ventilation. Environmental Precautions: Prevent the material from entering drains, sewers, or waterways. If the spill occurs in large amounts, notify environmental authorities. Containment and Cleanup: Contain the spill using absorbent materials such as sand or vermiculite. Collect the spilled material into suitable containers for disposal. Clean the area with water and detergent, ensuring no residue remains. Dispose of contaminated materials in accordance with local regulations. Exposure Controls/Personal Protective Measures of Propylene Glycol Methyl Ether: Occupational Exposure Limits: No specific exposure limits are established by OSHA or other regulatory bodies, but exposure should be minimized to reduce the risk of irritation. Engineering Controls: Use adequate ventilation (e.g., fume hoods, exhaust fans) to keep airborne concentrations low. Ensure proper ventilation when working with Propylene glycol propyl ether in enclosed or poorly ventilated areas. Personal Protective Equipment (PPE): Respiratory Protection: If ventilation is insufficient, wear a suitable NIOSH-approved respirator. Hand Protection: Wear chemical-resistant gloves (e.g., nitrile or neoprene). Eye Protection: Wear safety goggles or face shields to prevent eye contact. Skin Protection: Wear protective clothing, including aprons and boots, to prevent skin exposure. Identifiers of Propylene Glycol Methyl Ether: Chemical Formula: C6H14O2 Molecular Weight: 118.18 g/mol CAS Number: 1569-01-3 EC Number: 216-372-4 Structural Formula: CH₃CH(OH)CH₂OCH₂CH₂CH₃ IUPAC Name: 1-Propoxypropan-2-ol SMILES Notation: CCCOCC(C)O InChI: InChI=1S/C6H14O2/c1-3-4-8-5-6(2)7/h6-7H,3-5H2,1-2H3 Physical State: Clear, colorless liquid CAS Number: 1569-01-3 EC  Number: 216-372-4 Molecular Formula: C6H14O2 Molecular Weight: 118.17 Properties of Propylene Glycol Methyl Ether: Molecular Weight: 118.17 g/mol Empirical Formula: C6H14O2 Appearance: Colorless Freezing Point: -70°C (-94°F) Flash Point – Closed Cup: 46°C (115°F) Boiling Point: 760mmHg 149°C (300°F) Autoignition Temperature: 252°C (486°F) Density: 20°C 0.885 kg/l 7.38 lb/gal Boiling Point: 174°C (345.2°F) Melting Point: -58°C (-72.4°F) Density: 0.876 g/cm³ at 20°C Flash Point: 62°C (143.6°F) Vapor Pressure: 0.13 mmHg at 25°C Viscosity: 2.5 cP at 25°C Refractive Index: 1.417 Odor: Mild, slightly fatty, floral, with a jasmine-like note Appearance: Clear to pale yellow liquid Vapor Pressure: 25°C 2.9 mmHg Evaporation Rate: (nBuAc = 1) 0.22 Solubility: 20°C (in Water) Complete Refractive Index: 25°C 1.410 Viscosity: 25°C 2.7 cP Surface Tension: 25°C 27 mN/m Lower Flammability in Air: 1.3% v/v Upper Flammability in Air: 10.6% v/v Specific Heat: 25°C 1.98 J/g/°C Heat of Vaporization: normal boiling point: 369 J/g Heat of Combustion: 25°C 30 kJ/g Specifications of Propylene Glycol Methyl Ether: Purity (Assay): ≥ 98% Water Content: ≤ 0.1% Color (APHA): ≤ 20 Relation compunds of Propylene Glycol Methyl Ether: Propylene Glycol Ethylene Glycol Propylene Glycol Monoethyl Ether Amyl Glycol Ether Butylene Glycol Cinnamyl Alcohol Cinnamaldehyde Names of Propylene Glycol Methyl Ether: Regulatory process names: 1-(1-Methyl-2-propoxyethoxy)-propan-2-ol 1-(1-methyl-2-propoxyethoxy)propan-2-ol 1-(1-Methyl-2-propoxyethoxy)propan-2-ol 1-(1-methyl-2-propoxyethoxy)propan-2-ol 2-PROPANOL, 1-(1-METHYL-2-PROPOXYETHOXY)- 2-Propanol, 1-(1-methyl-2-propoxyethoxy)- 2-Propanol,1-(1-methyl-2-propoxyethoxy) Alkenes, C13-53 Butyl dipropasol solvent Dipropylene glycol mono-n-propyl ether dipropylene glycol monopropyl ether dipropylene glycol monopropyl ether; 1-(1-methyl-2-propoxyethoxy)2-propanol; DPMP Dipropylene Glycol n-Propyl Ether Dipropylene glycol n-Propyl ether Dipropylene glycol n-propyl ether Dipropylene glycol n-propyl ether isomer #1 Dipropylene Glycol Propyl Ether Dipropylene glycol propyl ether Dipropyleneglycol monopropyl ether Dipropyleneglycol monopropyl ether (DPGPE, mixture of isomers) Dipropyleneglycol propyl ether, other isomers Poly[oxy(methyl-1,2-ethanediyl)], α-propyl-.omega.-hydroxy- (2 mol PO average molar ratio) PPG-2 PROPYL ETHER IUPAC names: 1-(1-Methyl-2-propoxyethoxy)propan-2-ol 1-(1-methyl-2-propoxyethoxy)propan-2-ol 1-(1-propoxypropan-2-yloxy)propan-2-ol 1-(1-propoxypropan-2yloxy)propan-2-ol 1-[(1-propoxypropan-2-yl)oxy]propan-2-ol 1‐[(1‐propoxypropan‐2‐yl)oxy]propan‐2‐ol 2-Propanol, 1-(1-methyl-2-propoxyethoxy)- Di(propylene glycol) propyl ether Dipropylene glycol propyl ether Dipropylenglykol n-propylether DPnP Trade names: DOWANOL™ DPnP Glycol Ether Other identifier: 29911-27-1