| Title:  Menazon CAS Registry Number:  78-57-9 CAS Name:  S-[(4,6-Diamino-1,3,5-triazin-2-yl)methyl]phosphorodithioic acid O,O-dimethyl ester Additional Names:  S-[(4,6-diamino-s-triazin-2-yl)methyl] O,O-dimethyl phosphorodithioate;  O,O-dimethyl S-[(4,6-diamino-s-triazin-2-yl)methyl] phosphorodithioate;  2-dimethoxyphosphinothioylthiomethyl-4,6-diamino-s-triazine Manufacturers' Codes:  ENT-25760;  PP-175 Trademarks:  Saphicol;  Saphizon-DP;  Sayfos (Chipman) Molecular Formula:  C6H12N5O2PS2 Molecular Weight:  281.30 Percent Composition:  C 25.62%, H 4.30%, N 24.90%, O 11.38%, P 11.01%, S 22.80% Literature References:  Prepn:  Calderbank et al., DE 1118789 corresp to US 3169964 (1961, 1965 both to I.C.I.).  Activity:  eidem, Chem. Ind. (London) 1961, 630.  Toxicity:  T. B. Gaines, Toxicol. Appl. Pharmacol. 14, 515 (1969). Properties:  Crystals, dec 160-162°, mp 164-166°.  Vapor press. at 25°:  1´106 mm Hg.  Low solubility in water and organic solvents.  LD50 orally in male, female rats:  1020, 1450 mg/kg (Gaines). Melting point:  mp 164-166° Toxicity data:  LD50 orally in male, female rats:  1020, 1450 mg/kg (Gaines) CAUTION:  Cholinesterase inhibitor. Use:  Insecticide; acaricide.     Status:  This monograph has been retired and is no longer subject to revision or update.  |