Home › Chemicals › Diethylamine CAS 109-89-7: Diethylamine (C4H11N) Identity CAS Number 109-89-7 Molecular Formula C4H11N IUPAC Name N-ethylethanamine Molecular Weight 73.14 g/mol SMILES CCNCCSynonyms DEA, N-ethylethanamine, diethylamine
2D Structure
Physical Properties Density 0.707 g/mL at 25°C Boiling Point 55.5°C Melting Point -49.8°C Flash Point -23.0°C Vapor Pressure 30.1 kPa at 20°C Refractive Index nD = 1.385 Dielectric Constant ε = 3.6
Safety & GHS Classification Flammable GHS05 Irritant
H225: Highly flammable liquid and vapor H302: Harmful if swallowed H314: Causes severe skin burns and eye damage H332: Harmful if inhaled Storage: Store under nitrogen in cool, well-ventilated area. Extremely flammable — use explosion-proof equipment. Strong amine odor. Corrosive to skin and eyes. Keep away from acids and oxidizers.
Material Compatibility Matrix Plastics Material Rating PTFE Excellent PVC Poor PE Good PP Good PEEK Excellent PVDF Good
Rubbers Material Rating Viton Poor NBR Poor EPDM Poor Silicone Poor FKM Poor
Metals Material Rating Stainless 316 Excellent Aluminum Good Copper Good Brass Good
Applications Rubber processing chemicals Pesticide intermediate Pharmaceutical synthesis Corrosion inhibitor Dye intermediate Polyurethane catalyst Flotation agent in mining External References: PubChem
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