Methyl methacrylate (MMA, CAS 80-62-6) is a chemical widely used in the production of acrylic plastics, coatings, and adhesives. MMA is highly flammable and must be handled in strict accordance with safety procedures in industrial and storage environments.
Is Methyl Methacrylate Flammable?
MMA is classified as a highly flammable liquid (GHS Category 2).
Methyl methacrylate (MMA)
Customs Code: 2916 1410001
Chemical Formula: C₅H₅O₂
UN Number: 1247
Hazard Classification: UN Class 3 (Flammable Liquid)
Appearance: Colorless, transparent liquid with a strong, pungent odor.
Key Flammability Data
| Flash Point | ~10°C |
| Boiling Point | 100–101°C |
| Autoignition Temperature | ~421°C |
| Explosive Limits (Air) | ~2.1% – 12.5% |
| Vapor Density | Heavier than air |
Physical Properties of Methyl methacrylate
- Density: 0.944 g/cm³ (20°C)
- Melting Point: -48°C
- Boiling Point: 100–101°C
- Refractive Index: 1.412 (20°C)
- Viscosity: 0.56 mPa · s (25°C)
- Vapor Pressure: 3.73 kPa (20°C), 12.7 kPa (40°C)
- Auto-ignition Temperature: 421°C
- Water Solubility: Slightly soluble (1.6 g/L at 20°C), soluble in water, alcohols, ketones, esters, and other polar organic solvents
- Surface Tension: 28.9 mN/m (25°C)
MMA Chemical Safe Handling and Storage
Storage
Store in a cool, well-ventilated place, away from heat, sparks, and direct sunlight. Use explosion-proof containers and equipment.
Handling
Ground and connect containers to prevent electrostatic discharge. Avoid vapor buildup. Use a suitable industrial ventilation system.
Personal Protection
Wear protective equipment. Avoid inhaling vapors.
Methyl methacrylate CAS 80-62-6 MMA supplier
about us
As a leading manufacturer and exporter of chemical solvent, TIANJIN GNEE BIOTECH CO., LTD. provides high-quality industrial chemicals. We supply to customers across the chemical, pharmaceutical, and materials industries, ensuring consistent quality, reliable logistics, and professional technical support.
Our chemical products hold international certifications (REACH, ISO, FMQS, HALAL) for global quality recognitio. We have warehouses in coreports such as Qingdao, Tianiin, and Shanghai, with a 15-day express delivery service.
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GNEE BIO Product Packaging
| Packaging Type | Net Weight |
|---|---|
| Steel Drum | 250 kg |
| IBC Tank | 1250 kg |
| ISO Tank | Bulk shipment |

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