Your Questions and Comments
Your sales and customer service desk partners within China Amines Co will continue to serve you. You can also contact us via our headquarter office-
Email:info@chinaamines.com
China Amines Co
Product Profile
Diethanolamine (DEA)
• CAS No.: 111-42-2
• Molecular Formula: C₄H₁₁NO₂
• Molecular Weight: 105.14 g/mol
• Appearance: Colorless to pale yellow viscous liquid
• Odor: Mild amine / ammonia-like
Physicochemical Properties (Typical)
- Melting / Freezing Point: ~ 28–30 °C
- Boiling Point: ~ 268–269 °C
- Density (20–25 °C): ~ 1.09 g/mL
- Refractive Index (n²⁰ᴰ): ~ 1.480
- Vapor Pressure (20 °C): Low (negligible)
- Solubility: Miscible with water, alcohols, and many polar solvents
- pH (1 M aqueous): Alkaline
Purity & Quality Standards
- Purity: ≥ 99.0% (typical high-grade)
- Water / Moisture Content: Controlled, typically ≤ 0.5%
- Impurity Limits: Minimal non-amine impurities; color and odor controlled
- Analytical Methods: Verified via GC, titration, or suitable amine analysis
- Documentation: Certificate of Analysis (COA) and Safety Data Sheet (SDS) provided
Safety & Handling
- Causes skin and eye irritation; vapors may cause respiratory irritation
- Use in well-ventilated areas; wear protective gloves, goggles, and clothing
- Avoid contact with acids, oxidizing agents, and reactive metals
Packaging & Storage
- Packaging: Supplied in sealed drums, IBCs, or containers suitable for amine liquids
- Storage Conditions: Store in cool (< ~30–35 °C), dry, well-ventilated area
- Container Closure: Keep containers tightly sealed to avoid moisture uptake and contamination
- Shelf Life: 12–24 months when stored under recommended conditions
Contact Information
For specification or order enquiries:
Email: info@chinaamines.com
COA, SDS and technical support available on request.

