1572. Butylidene Chloride

Nomenclature

CAS number: 541-33-3
1,1-Dichlorobutane.
C4H8Cl2; mol wt 127.01.
C 37.83%, H 6.35%, Cl 55.83%.

Description and references

Prepn from butyraldehyde and PCl5: Henne et al., J. Am. Chem. Soc. 61, 938 (1939).

Chemical structure

Properties

Oily liquid. bp752 114.8-115.1°. d25 1.0797; nD25 1.4305: Brown, Ash, J. Am. Chem. Soc. 77, 4019 (1955). Practically insol in water. Sol in alcohol, chloroform, ether.