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Email:info@chinaamines.com
China Amines Co
Product Profile
Dimethylamine (DMA)
• CAS No.: 124-40-3
• Molecular Formula: C₂H₇N
• Molecular Weight: 45.08 g/mol
• Appearance: Colourless gas (or aqueous solution)
• Odor: Strong fishy / ammonia-like
Physicochemical Properties (Typical)
- Melting / Freezing Point: ~ –98.5 °C
- Boiling Point: ~ 6.9 °C
- Density (gas, 0 °C, 1 atm): ~ 0.67 kg/m³
- Solubility: Highly soluble in water; miscible with alcohols and polar solvents
- Vapor Pressure: High volatility
- Other: Often supplied as aqueous solution for easier handling
Purity & Quality Standards
- Purity: ≥ 99.0% (when pure)
- Moisture / Water Content in solution: Controlled (≤ a few percent depending on dilution)
- Impurity Limits: Minimal non-amine or hydrocarbon impurities
- Analytical Methods: Gas Chromatography (GC), titration, etc.
- Documentation: Certificate of Analysis (COA) & Safety Data Sheet (SDS) included
Safety & Handling
- Highly flammable gas/liquid
- Causes irritation to eyes, skin, and respiratory tract
- Use in well-ventilated areas or under appropriate exhaust; wear gloves and eye protection
- Avoid contact with strong oxidizers, acids, and reactive metals
Packaging & Storage
- Packaging: Compressed gas cylinders or aqueous solution in sealed containers
- Storage Conditions: Store in a cool, dry, ventilated area; avoid heat and ignition sources
- Container Closure: Ensure tight sealing to prevent leaks
- Shelf Life: Stable under recommended conditions if sealed and stored properly
Contact Information
For specification or order enquiries:
Email: info@chinaamines.com
COA, SDS and technical support available on request.