Nomenclature
CAS number: 85-98-3
N,N′-Diethyl-
N,N′-diphenylurea;
sym-diethyldiphenylurea; centralite I; ethyl centralite.
C
17H
20N
2O; mol wt 268.35.
C 76.09%, H 7.51%, N 10.44%, O 5.96%.
Description and references
Prepn from ethylaniline and phosgene: Michler, Ber. 9, 712 (1876). Alternate
synthesis: N. R. Ayyangar et al., Chem. Ind. (London) 1988, 599.
Properties
Crystals from alc, mp 79°. Insol in water.Use
As stabilizer of smokeless explosives.