7819. Propineb

Nomenclature

CAS number: 12071-83-9
[[(1-Methyl-1,2-ethanediyl)bis[carbamodithioato]](2-)]zinc; [propylenebis(dithiocarbamato)]zinc; zinc 1,2-propylene bisdithiocarbamate; mezineb; methylzineb; Bayer 46131; Antracol (Bayer).
C5H8N2S4Zn; mol wt 289.80.
C 20.72%, H 2.78%, N 9.67%, S 44.26%, Zn 22.57%.

Description and references

Prepn and use as fungicide: IT 611046 (1960 to Montecatini); Lehmann et al., BE 611960 and BE 628114 (1962 and 1963 to Bayer). Chemistry, biological activity and toxicology: Grewe, Pflanzenschutz-Nachr. 20, 581 (1967). Fungicidal activity: A. G. Channon, Ann. Appl. Biol. 65, 481 (1965); E. J. S. Reddy et al., Pesticides 19, 67 (1985). Distribution and degradation in soil: W. Mittelstaedt, F. Fuhr, Landwirtsch. Forsch. 30, 221 (1977); in fruit: K. Vogeler et al., Pflanzenschutz-Nachr. 30, 72 (1977).

Chemical structure

Properties

White to yellowish powder, practically odorless. Decomposes and turns brown above 160°. Decomposes in strongly acid or alkaline media. Practically insol in all conventional solvents. LD50 in male rats, rabbits, cats (mg/kg): 8500, >2500, >2500 orally (Grewe).

Use

Agricultural fungicide.