5857. Mepiquat Chloride

Nomenclature

CAS number: 24307-26-4
1,1-Dimethylpiperidinium chloride; BAS-083; BAS-85559X; Pix (BASF).
C7H16ClN; mol wt 149.66.
C 56.18%, H 10.78%, Cl 23.69%, N 9.36%.

Description and references

Prepn: B. Zeeh et al., DE 2207575; eidem, US 3905798 (1973, 1975 both to BASF). IC determn: A. Fegert et al., Fresenius J. Anal. Chem. 339, 441 (1991). Toxicity study: BASF Agric. Chem. Div., J. Pestic. Sci. 17, S269 (1992). Field study on cotton: J. S. McConnell et al., J. Plant Nutr. 15, 457 (1992); R. K. Boman, R. L. Westerman, J. Prod. Agric. 7, 70 (1994). Review: P. E. Schott, F. R. Rittig, in Chemical Manipulation of Crop Growth and Development J. S. McLaren, Ed. (Butterworth Scientific, London, 1982) pp 415-424.

Chemical structure

Properties

White crystals, mp 285°. Soly at 20° g/100g: water >50; methyl alcohol 25.0; ethyl alcohol 16.2; chloroform 1.1; acetone <0.1; benzene <0.1; cyclohexanone <0.1; diethyl ether <0.1; olive oil <0.1. Log P (n-octanol:water): 2.83. LD50 in mice, rats (mg/kg): 780, 464 orally; in rats (mg/kg): >2000 dermally (BASF Agric. Chem. Div.).

Use

Plant growth regulator.