Di Cyclohexylamine

Cas Number


Other Names


The formula



Dicyclohexylamine is a secondary amine with the chemical formula HN(C6H11)2. It is a colorless liquid, although commercial samples can appear yellow. It has a fishy odor, typical for amines. It is sparingly soluble in water. As an amine, it is an organic base and useful precursor to other chemicals

Physical and Chemical Properties
Appearance Clear to yellow liquid
Odor Chloroform-like odor; solvent odor; mild sweet odor
Molecular Weight 84.16 g/mole
Color Clear Colorless
Boiling Point 80.7°C (177.3°F)
Critical Temperature 280.4°C (536.7°F)
Flash point −20 °C
Melting Point 6.47°C (43.6°F)
Specific Gravity 0.7781 (Water = 1)
Vapor Pressure 12.9 kPa (@ 20°C)
Vapor Density 2.98 (Air = 1)
Water/Oil Dist. Coeff: The product is more soluble in oil; log(oil/water) = 3.4
Dispersion Properties See solubility in water, methanol
Solubility Soluble in methanol. Insoluble in cold water
Purity 99.0% min
Water 0.5% max
Impurities (wt. %) 0.7% max.

1. Dicyclohexylamine or a derivative thereof, is used as an additive for prevention of CO2, corrosion in steam pipelines and boilers

2. It is used as an intermediate for the production of antioxidants and vulcanization accelerator

3. It is used as a catalyst for flexible polyurethane foams