Home > Name List By 3 > 3-(dimethoxyphosphinothioylsulfanylmethyl)-5-methoxy-1,3, 4-thiadiazol-2-one

CAS No 950-37-8 , 3-(dimethoxyphosphinothioylsulfanylmethyl)-5-methoxy-1,3,
4-thiadiazol-2-one

  • Name: 3-(dimethoxyphosphinothioylsulfanylmethyl)-5-methoxy-1,3,
    4-thiadiazol-2-one
  • Synonyms: Ultracid;SUPRACIDE; Ultracid 40; Somonil; Suprathion; Ultracide;3-(dimethoxyphosphinothioylsulfanylmethyl)-5-methoxy-1,3,
    4-thiadiazol-2-one; Methidathion 50S; 950-37-8; Supracide Ulvair;
  • CAS Registry Number:
  • Transport: UN 2811
  • Melting Point: 39-40 ºC
  • Density: 1.6 g/cm3
  • Refractive index: 1.651
  • Water Solubility: 0.024 G/100 ML
  • Safety Statements: R21;R28;R50/53
  • Hazard Symbols: N: Dangerous for the environment;T+: Very toxic;
  • EINECS: 213-449-4
  • Molecular Weight: 302.331302
  • InchiKey: MEBQXILRKZHVCX-UHFFFAOYSA-N
  • InChI: InChI=1S/C6H11N2O4PS3/c1-10-5-7-8(6(9)16-5)4-15-13(14,11-2)12-3/h4H2,
    1-3H3
  • Risk Statements: S22;S28;S36/37;S45;S60;S61
  • Molecular Formula: C6H11N2O4PS3
  • Molecular Structure:CAS No:950-37-8 3-(dimethoxyphosphinothioylsulfanylmethyl)-5-methoxy-1,3,<br />4-thiadiazol-2-one
References of 3-(dimethoxyphosphinothioylsulfanylmethyl)-5-methoxy-1,3,
4-thiadiazol-2-one
Title: Methidathion
CAS Registry Number: 950-37-8
CAS Name: Phosphorodithioic acid S-[(5-methoxy-2-oxo-1,3,4-thiadiazol-3(2H)-yl)methyl] O,O-dimethyl ester
Synonyms: phosphorodithioic acid O,O-dimethyl ester S-ester with 4-(mercaptomethyl)-2-methoxy-D2-1,3,4-thiadiazolin-5-one; dithiophosphoric acid O,O¢-dimethyl-S-[(5-methoxy-1,3,4-thiadiazol-2(3H)-one-3-yl)methyl] ester; O,O¢-dimethyl-S-[(2-methoxy-1,3,4-thiadiazol-5(4H)-one-4-yl)methyl] dithiophosphate
Manufacturers' Codes: GS-13005
Trademarks: Supracid(e) (Syngenta); Ultracid(e) (Syngenta)
Molecular Formula: C6H11N2O4PS3
Molecular Weight: 302.33
Percent Composition: C 23.84%, H 3.67%, N 9.27%, O 21.17%, P 10.25%, S 31.82%
Literature References: Synthesis and degradation products: Rüfenacht, Helv. Chim. Acta 51, 518 (1968); FR 1335755 (1963 to Geigy), C.A. 60, 1764g (1964). Metabolism in rats: Esser et al., Helv. Chim. Acta 51, 513 (1968). Acute toxicity: T. B. Gaines, R. E. Linder, Fundam. Appl. Toxicol. 7, 299 (1986). Carcinogenicity studies: J. A. Quest et al., Regul. Toxicol. Pharmacol. 12, 117 (1990).
Properties: Crystals from methanol, mp 39-40°. Soly in water <1%. Readily sol in benzene, acetone, methanol, xylene and other org solvents. LD50 in adult male, female rats (mg/kg): 31, 32 orally (Gaines, Linder).
Melting point: mp 39-40°
Toxicity data: LD50 in adult male, female rats (mg/kg): 31, 32 orally (Gaines, Linder)
Use: Insecticide, acaricide.