PROPYLENE GLYCOL MONOMETHYL ACETATE
Paint chemicals 2025-03-21
Also known as propylene glycol monomethyl ether acetate, molecular formula C6H12O3. colorless hygroscopic liquid with a special odor, is a non-polluting solvent with multi-functional groups. Mainly used as solvent for ink, paint, ink, textile dyes, textile oils, also used as cleaning agent in the production of liquid crystal displays. Flammable, may form explosive vapor/air mixtures above 42°C.
PROPYLENE GLYCOL MONOMETHYL ETHER ACETATE (PGMEA): TECHNICAL DATA SHEET
| Category | Specifications |
|---|---|
| Chemical Name | Propylene Glycol Monomethyl Ether Acetate |
| CAS No. | 108-65-6 |
| Molecular Formula | C₆H₁₂O₃ |
| Appearance | Colorless liquid |
| Odor | Mild, ester-like |
| Boiling Point | 146-149°C |
| Flash Point | 47°C (closed cup) |
| Density (20°C) | 0.97 g/cm³ |
| Vapor Pressure (20°C) | 0.4 kPa |
Key Properties
| Property | Performance Data |
|---|---|
| Solubility | Miscible with most organic solvents, limited water solubility (4.5 g/100mL) |
| Evaporation Rate | 0.2 (n-butyl acetate = 1) |
| Purity | ≥99.5% (GC) |
| Refractive Index | 1.40-1.41 (20°C) |
| Autoignition Temp | 345°C |
Applications
| Industry | Primary Uses |
|---|---|
| Coatings | High-performance paints, automotive finishes |
| Electronics | Photoresist solvent in semiconductor manufacturing |
| Inks | Flexographic and gravure inks |
| Cleaning Agents | Precision degreaser |
| Adhesives | Solvent for acrylic/polyurethane systems |
Safety & Handling
| Parameter | Requirements |
|---|---|
| GHS Classification | H226, H319, H336 |
| Exposure Limits (OSHA) | 100 ppm (TWA) |
| PPE | Gloves, goggles, ventilation |
| Storage | Sealed containers, cool/ventilated area |
| Fire Fighting | Alcohol-resistant foam, CO₂ |
Environmental Profile
| Aspect | Data |
|---|---|
| VOC Content | 100% |
| Biodegradability | ~60% (28 days, OECD 301B) |
| ODP | 0 |
| GWP | <1 (CO₂ = 1) |
Comparison with Alternatives
| Property | PGMEA | Ethyl Lactate | Cyclohexanone |
|---|---|---|---|
| Boiling Point (°C) | 146-149 | 154 | 156 |
| Flash Point (°C) | 47 | 46 | 44 |
| Evaporation Rate | 0.2 | 0.3 | 0.5 |
| Semiconductor Use | ★★★★★ | ★★★ | ★★★★ |
References:
- Handbook of Solvents (3rd Ed.) – George Wypych
- SEMI C34 – PGMEA Specifications for Electronics
