8066. Quinmerac

Nomenclature

CAS number: 90717-03-6
7-Chloro-3-methyl-8-quinolinecarboxylic acid; BAS-518; BAS-518H.
C11H8ClNO2; mol wt 221.64.
C 59.61%, H 3.64%, Cl 16.00%, N 6.32%, O 14.44%.

Description and references

Auxin-type herbicide. Prepn: H. Hagen et al., DE 3233089; eidem, US 4715889 (1984, 1987 both to BASF). ELISA determn in cereals: R. A. Baumann, V. M. 't Hart-De Kleijn, Meded. Fac. Landbouwwet. Univ. Gent 58, 173 (1993). Mode of action study: K. Grossman, F. Scheltrup, Pestic. Sci. 52, 111 (1998). Field trials in cereals, rapeseed and sugarbeets: W. Nuyken et al., Proc. Br. Crop Prot. Conf. - Weeds 1985, 71. Review: B. Wuerzer et al., ibid. 63-70.

Chemical structure

Properties

Colorless, odorless crystalline solid from DMF, mp 244°. Soly at 20° (g/100g solvent): water 2.1 × 10-3, olive oil <0.1, acetone 0.2. Low soly in other organic solvents. Vapor pressure (20°): <1 × 10-5 Pa. LD50 in rats (mg/kg): >5000 orally, >2000 dermally (Wuerzer).

Use

Herbicide.