2104. Chlormequat Chloride

Nomenclature

CAS number: 999-81-5
2-Chloro-N,N,N-trimethylethanaminium chloride (1:1); (2-chloroethyl)trimethylammonium chloride; chlorocholine chloride; choline dichloride; CCC; AC-38555; Cycocel (BASF); Cycogan (Makhteshim-Agan).
C5H13Cl2N; mol wt 158.07.
C 37.99%, H 8.29%, Cl 44.86%, N 8.86%.

Description and references

Prepn: Kauffmann, Vorlander, Ber. 43, 2740 (1910); Freiss, Carville, J. Am. Chem. Soc. 76, 2260 (1954); H. Linser et al., AT 222145 (1962 to OSSW), C.A. 57, 7660f (1962). Activity: N. E. Tolbert, J. Biol. Chem. 235, 475 (1960); J. Namokar, Pesticides 11, 53 (1977). Metabolism: R. C. Blinn, J. Agric. Food Chem. 15, 984 (1967). Toxicity study: G. Hennighausen, B. Wiegershausen, Acta Biol. Med. Ger. 27, 663 (1971).

Chemical structure

Properties

White crystalline solid, mp 245° (dec). Fish-like odor; very hygroscopic. Sol in water, lower alcs. Insol in ether, hydrocarbons. Aq solns corrosive to metal. LD50 in mice (mg/kg): 7 i.v., 54 orally (Hennighausen, Wiegershausen).

Use

Plant growth regulator.