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CAS No 298-00-0 , dimethoxy-(4-nitrophenoxy)-sulfanylidene-λ

  • Name: dimethoxy-(4-nitrophenoxy)-sulfanylidene-λ
  • Synonyms: Vofatox;5-phosphane;dimethoxy-(4-nitrophenoxy)-sulfanylidene-λ Parathion methyl; Wofatox; Methylparathion; Metacid 50; Dalf; Metaphos;Parathion-methyl; Dimethyl parathion;
  • CAS Registry Number:
  • Transport: UN 2052/2783/2811
  • Melting Point: 36 ºC
  • Flash Point: 46.1 ºC
  • Boiling Point: 143 ºC (1.0 MMHG)
  • Density: 1.36
  • Refractive index: 1.556
  • Water Solubility: 0.005 G/100 ML
  • Safety Statements: R5;R24;R26/28;R48/22;R50/53
  • Hazard Symbols: N: Dangerous for the environment;T+: Very toxic;
  • Flash Point: 46.1 ºC
  • EINECS: 206-050-1
  • Molecular Weight: 263.207462
  • InchiKey: RLBIQVVOMOPOHC-UHFFFAOYSA-N
  • InChI: InChI=1S/C8H10NO5PS/c1-12-15(16,13-2)14-8-5-3-7(4-6-8)9(10)11/h3-6H,
    1-2H3
  • Risk Statements: S28;S36/37;S45;S60;S61
  • Molecular Formula: C8H10NO5PS
  • Molecular Structure:CAS No:298-00-0 dimethoxy-(4-nitrophenoxy)-sulfanylidene-λ
References of dimethoxy-(4-nitrophenoxy)-sulfanylidene-λ
Title: Methyl Parathion
CAS Registry Number: 298-00-0
CAS Name: Phosphorothioic acid O,O-dimethyl O-(4-nitrophenyl) ester
Synonyms: O,O-dimethyl O-p-nitrophenyl phosphorothioate; O,O-dimethyl O-p-nitrophenyl thiophosphate; dimethyl parathion; parathion-methyl; metaphos
Manufacturers' Codes: E-601; ENT-17292
Trademarks: Folidol-M (Bayer CropSci.); Metacide (Bayer CropSci.); Penncap M (Cerexagri)
Molecular Formula: C8H10NO5PS
Molecular Weight: 263.21
Percent Composition: C 36.51%, H 3.83%, N 5.32%, O 30.39%, P 11.77%, S 12.18%
Literature References: Cholinesterase inhibitor. Prepn: Fletcher et al., J. Am. Chem. Soc. 72, 2461 (1950). Manuf: Faith, Keyes & Clark's Industrial Chemicals, F. A. Lowenheim, M. K. Moran, Eds. (Wiley-Interscience, New York, 4th ed., 1975) pp 552-555. Toxicity data: T. B. Gaines, Toxicol. Appl. Pharmacol. 14, 515 (1969). Review of carcinogenic risk: IARC Monographs 30, 131-152 (1983); of toxicology and human exposure: Toxicological Profile for Methyl Parathion (PB2001-109105, 2001) 267 pp.
Properties: Crystals from cold methanol, mp 37-38°. nD25 1.5367. d420 1.358. Soly in water 50 ppm; sol in most organic solvents. LD50 in male, female rats (mg/kg): 14, 24 orally; 67, 67 dermally (Gaines).
Melting point: mp 37-38°
Index of refraction: nD25 1.5367
Density: d420 1.358
Toxicity data: LD50 in male, female rats (mg/kg): 14, 24 orally; 67, 67 dermally (Gaines)
CAUTION: Potential symptoms of overexposure are irritation of eyes and skin; nausea, vomiting, abdominal cramps, diarrhea, salivation; headache, giddiness, vertigo, weakness; rhinorrhea, chest tightness; blurred vision, miosis; cardiac irregularities; muscle fasciculations; dyspnea. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 214.
Use: Insecticide.