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Email:info@chinaamines.com
China Amines Co
Product Profile
Monomethylamine (MMA)
• CAS No.: 74-89-5
• Molecular Formula: CH5N
• Molecular Weight: 31.06 g/mol
• Appearance: Colorless gas under ambient conditions
• Odor: Strong ammonia-like, penetrating
• Solubility: Highly soluble in water; miscible with alcohols
Physicochemical Properties (Typical)
- Melting / Freezing Point: ~ –93.5 °C
- Boiling Point: ~ –6.3 °C
- Density (gas, 0 °C, 1 atm): ~ 0.6 kg/m³
- Vapor Pressure: Gas at ambient; readily vaporizes
- Other: Forms aqueous solutions (monomethylamine solutions) frequently used
Purity & Quality Standards
- Purity: Typically ≥ 99.0% for reagent / industrial grade
- Water / Moisture Content: Controlled, typically ≤ 0.2%
- Impurity Limits: Minimal non-amine gases and trace hydrocarbons
- Analytical Methods: GC, titration, gas analysis
- Documentation: Certificate of Analysis (COA) and Safety Data Sheet (SDS) provided with each batch
Safety & Handling
- Highly flammable gas; forms explosive mixtures with air
- Causes irritation to eyes, skin, and respiratory tract upon exposure
- Use in well-ventilated areas; wear protective gloves, goggles, and suitable protective clothing
- Avoid contact with oxidizing agents, acids, and open flames
Packaging & Storage
- Packaging: Supplied in pressurized gas cylinders or as aqueous solutions in sealed containers
- Storage Conditions: Store in a cool, dry, well-ventilated area; maintain cylinders upright; protect from heat and direct sunlight
- Container Closure: Ensure valves and seals are secure; prevent leaks
- Shelf Life: Stable when stored under recommended conditions and properly sealed
Contact Information
For specification or order enquiries:
Email: info@chinaamines.com
COA, SDS and technical support available on request.