Safe storage of methyl methacrylate (MMA) requires strict temperature control, good ventilation, and sufficient oxygen to prevent premature polymerization, thereby avoiding fire or explosion. MMA is highly flammable and should be treated as a hazardous chemical.
What Is Methyl Methacrylate (CAS 80-62-6)?
Methyl methacrylate (MMA, C₅H₈O₂) is an ester of methacrylic acid and a fundamental monomer in polymer chemistry. It possesses the following advantages:
- High transparency and optical clarity
- Excellent weather resistance
- Strong mechanical properties
Its main downstream product, polymethyl methacrylate (PMMA), is widely used as a lightweight alternative to glass.
Related Article: CAS No. 80-62-6 Methyl Methacrylate (MMA): Key Monomer for PMMA
| Chemical Formula | C₅H₈O₂ |
| CAS Number | 80-62-6 |
| Appearance | Colorless liquid |
| Odor | Sweet, fruity |
| Boiling Point | ~100–101°C |
| Density | ~0.94 g/cm³ |
| Solubility | Slightly soluble in water |
| Flammability | Highly flammable |
How to Store Methyl Methacrylate (CAS 80-62-6) Safely?
Key Storage Risks of Methyl Methacrylate (MMA)
Before reviewing the storage guidelines, be sure to understand the following risks:
- Methyl methacrylate (MMA) is a highly flammable liquid with a low flash point of approximately 10°C, meaning it is easily ignited under normal operating and storage conditions.
- MMA chemicals release flammable vapors that can accumulate in enclosed or poorly ventilated spaces, posing a serious explosion risk if ignited.
- It is chemically sensitive to heat, direct light, and oxygen, all of which can accelerate its degradation or trigger unwanted polymerization reactions.
Methyl Methacrylate (MMA) Safe Storage Conditions
- Store in a cool, well-ventilated place.
Methyl methacrylate (MMA) must be stored in a cool, well-ventilated place, with a recommended storage temperature below 25°C. Avoid direct sunlight and ensure good air circulation to prevent the accumulation of flammable gases.
- Use suitable containers.
CAS 80-62-6 MMA liquid should be stored in sealed, certified containers. All storage containers must be clearly labeled with hazard information and product identification.
- Keep away from heat sources.
Avoid any open flames, sparks, and high-temperature surfaces in the storage area. Use only explosion-proof electrical, ventilation, and lighting equipment.
- Avoid contamination.
MMA must be kept away from contaminants, including peroxides, strong acids, strong alkalis, and metallic impurities.
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| IBC Tank | 1250 kg |
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