Overview
1-Methoxy-2-propanol (CAS 107-98-2 ), commonly known as PGME or Propylene Glycol Methyl Ether, is a slow-evaporating glycol ether solvent used across coatings, adhesives, and personal care formulations.
Its controlled evaporation rate and broad solvency make it a preferred choice where film formation, flow, and compatibility with diverse resin systems are critical procurement considerations for manufacturers.
In architectural and industrial coatings, PGME improves flow and leveling in waterborne and solvent-based systems, reducing surface defects in the final film. This ensures a high-quality finish for industrial applications.
Adhesive and sealant manufacturers use it to dissolve or dilute resin components, ensuring consistent viscosity and open time in formulations. In printing inks, it supports pigment dispersion and controls drying speed.
Personal care formulators incorporate it as a solvent and carrier in products such as hair sprays, skin toners, and nail treatments where low odor and skin compatibility are required for consumer safety.
1-Methoxy-2-propanol is supplied as a clear liquid in drum, IBC, and bulk quantities. Standard commercial grades include technical and industrial-grade material, with high-purity grades available for cosmetic use.
Buyers should confirm purity specifications and isomer content, particularly the ratio relative to 2-methoxy-1-propanol, when sourcing for sensitive formulation work to ensure consistent performance and safety.
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Physical Properties
| Melting Point | -96 °C |
| Boiling Point | 120.1 °C |
| Density | 0.9620 g/cm³ @ Temp: 20 °C |
| Flash Point | 93 °F |
| Appearance | Propylene glycol monomethyl ether is a color- less liquid. Ethereal odor. The Odor Threshold is 10 ppm. |
| Color | Colorless |
| Odor | sweet ether-like odor |
| Form | Liquid |
| Water Solubility | soluble |
| Vapor Pressure | 10.9 mm Hg ( 25 °C) |
| Refractive Index | n 20/D 1.403(lit.) |
| pH | 4-7 (200g/l, H2O, 20℃) |
| Log P | 0.37 at 20℃ |
Safety & Handling
Warning GHS02 GHS07 Hazard Statements H226 Flammable liquid and vapor H316 Causes mild skin irritation H319 Causes serious eye irritation H320 Causes eye irritation H332 Harmful if inhaled H336 May cause drowsiness or dizziness Precautionary Statements P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P233 Keep container tightly closed. P240 Ground and bond container and receiving equipment. P241 Use explosion-proof [electrical/ventilating/lighting/…] equipment. P242 Use non-sparking tools. P243 Take action to prevent static discharges. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/protective clothing/eye protection/face protection. P317 Get emergency medical help. P319 Get medical advice/attention if you feel unwell. P405 Store locked up. P501 Dispose of contents/container in accordance with local regulations. P264+P265 Wash … thoroughly after handling. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P332+P317 Get emergency medical help. P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help. P370+P378 Use … for extinction. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P403+P235 Store in a well-ventilated place. Keep cool. P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Trade & Regulatory
| HS Code | 29094919 |
| UN Number | 3092 |
| ADR Class | 3 |
| Packing Group | III |
| Storage Class | 3 - Flammable liquids |
| WGK (Germany) | 1 |
Other Names
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Chemical Properties
- CAS Number
- 107-98-2
- EC Number
- 203-539-1
- Mol. Weight
- 90.12
- HS Code
- 29094919
- Category
- Alcohols & Glycols