Title: Chlorocresol
CAS Registry Number: 59-50-7
CAS Name: 4-Chloro-3-methylphenol
Additional Names: 3-methyl-4-chlorophenol; 4-chloro-m-cresol; 6-chloro-m-cresol; 6-chloro-3-hydroxytoluene; 2-chloro-5-hydroxytoluene; parachlorometacresol
Molecular Formula: C7H7ClO
Molecular Weight: 142.58
Percent Composition: C 58.97%, H 4.95%, Cl 24.87%, O 11.22%
Literature References: Prepd by chlorination of m-cresol: DE 90847 (1897 to Kalle), Frdl. 4, 94; Laschinger, US 1847566 (1932), C.A. 26, 2471 (1932); Sah, Anderson, J. Am. Chem. Soc. 63, 3165 (1941). HPLC determn in pharmaceutical formulations: R. Gatti et al., J. Pharm. Biomed. Anal. 16, 405 (1997).
Properties: Dimorphous crystals, mp 55.5° and mp 66° (ligroin). Said to be odorless when very pure, but usually a phenolic odor persists. bp 235°. Volatile with steam. One gram dissolves in 260 ml water at 20°, more sol in hot water. Freely sol in alcohol, benzene, chloroform, ether, acetone, petr ether, fixed oils, terpenes, aq alkaline solns. Aq solns turn yellow on exposure to light and air.
Melting point: mp 55.5°; mp 66° (ligroin)
Boiling point: bp 235°
Use: Disinfectant; pharmaceutic aid (preservative).
Therap-Cat: Antiseptic, disinfectant.
Keywords: Antiseptic/Disinfectant; Phenols. |