Title: Dicyclohexylamine
CAS Registry Number: 101-83-7
CAS Name: N-Cyclohexylcyclohexanamine
Additional Names: dodecahydrodiphenylamine
Molecular Formula: C12H23N
Molecular Weight: 181.32
Percent Composition: C 79.49%, H 12.79%, N 7.72%
Literature References: Prepn by hydrogenation of equimolar amounts of cyclohexanone and cyclohexylamine: C. F. Winans, H. Adkins, J. Org. Chem. 54, 306 (1932); R. M. Robinson, W. C. Braaten, US 3154580 (1964 to Abbott). Forms crystalline derivatives with N-protected amino acids: E. Klieger et al., Ann. 640, 157 (1961). Review: T. S. Carswell, H. L. Morrill, Ind. Eng. Chem. 29, 1265 (1937).
Properties: Liquid. Faint fishy odor. d2525 0.9104. mp -0.1°. pKa 10.4. bp760 255.8°; bp300 214.5°; bp200 199.0°; bp100 174.4°; bp50 154.3°; bp25 135.4°; bp11 121°; bp4 99.3°; bp1.0 83°. nD25 1.4823. Flash pt: 110°C. Strong base. Sparingly sol in water; sol in the usual organic solvents. Miscible with cyclohexylamine. Readily forms adducts with solvents.
Melting point: mp -0.1°
Boiling point: bp760 255.8°; bp300 214.5°; bp200 199.0°; bp100 174.4°; bp50 154.3°; bp25 135.4°; bp11 121°; bp4 99.3°; bp1.0 83°
Flash point: Flash pt: 110°C
pKa: pKa 10.4
Index of refraction: nD25 1.4823
Density: d2525 0.9104
CAUTION: A skin irritant and possible sensitizer.
Use: Industrial solvent; corrosion inhibitor. |