CAS 109-89-7: Diethylamine (C4H11N)

Identity

CAS Number109-89-7
Molecular FormulaC4H11N
IUPAC NameN-ethylethanamine
Molecular Weight73.14 g/mol
SMILESCCNCC
SynonymsDEA, N-ethylethanamine, diethylamine

2D Structure

Physical Properties

Density0.707 g/mL at 25°C
Boiling Point55.5°C
Melting Point-49.8°C
Flash Point-23.0°C
Vapor Pressure30.1 kPa at 20°C
Refractive IndexnD = 1.385
Dielectric Constantε = 3.6

Safety & GHS Classification

FlammableGHS05Irritant

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

MaterialRating
PTFEExcellent
PVCPoor
PEGood
PPGood
PEEKExcellent
PVDFGood

Rubbers

MaterialRating
VitonPoor
NBRPoor
EPDMPoor
SiliconePoor
FKMPoor

Metals

MaterialRating
Stainless 316Excellent
AluminumGood
CopperGood
BrassGood

Applications

External References: PubChem

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