| Title:  Cyanazine CAS Registry Number:  21725-46-2 CAS Name:  2-[[4-Chloro-6-(ethylamino)-1,3,5-triazin-2-yl]amino]-2-methylpropanenitrile Additional Names:  2-[[4-chloro-6-(ethylamino)-s-triazin-2-yl]amino]-2-methylpropionitrile Manufacturers' Codes:  SD-15418;  WL-19805;  DW-3418 Trademarks:  Bladex (Shell);  Fortrol (Shell) Molecular Formula:  C9H13ClN6 Molecular Weight:  240.69 Percent Composition:  C 44.91%, H 5.44%, Cl 14.73%, N 34.92% Literature References:  Selective pre-emergence herbicide.  Prepn:  GB 1132306; W. Schwarze, US 3505325 (1968, 1970 both to Degussa).  Activity:  T. Chapman et al., Proc. 9th Br. Weed Control Conf. 2, 1018 (1968).  Metabolism:  J. V. Crayford, D. H. Hutson, Pestic. Biochem. Physiol. 2, 295 (1975).  Persistence in soil:  J. T. Majka, T. L. Lavy, Weed Sci. 25, 401 (1977). Properties:  White crystals, mp 167.5-169°.  Vapor pressure at 20°:  1.6 ´ 10-9 mmHg.  Soly in water at 25°:  171 mg/l.  Soly at 25° (g/l):  benzene 15, chloroform 210, ethanol 45, hexane 15.  LD50 in rats, mice (mg/kg):  182, 380 orally (Chapman). Melting point:  mp 167.5-169° Toxicity data:  LD50 in rats, mice (mg/kg):  182, 380 orally (Chapman) Use:  Herbicide.  |