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Substance Name: Phosphorothioic acid, O,S-diethyl O-(4-nitrophenyl) ester (9CI)
RN: 597-88-6
InChIKey: BGWJTLLALYACOG-UHFFFAOYSA-N

Classification Codes

  • Agricultural Chemical
  • Drug / Therapeutic Agent
  • Insecticide

Molecular Formula

  • C10-H14-N-O5-P-S

Molecular Weight

  • 291.2626
 
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Names and Synonyms

Synonyms

  • 4-06-00-01339 (Beilstein Handbook Reference)
  • BRN 1996970
  • Isoparathion
  • O,S-Diaethyl-O-(p-nitrophenyl)-phosphat
  • O,S-Diaethyl-O-(p-nitrophenyl)-phosphat [German]
  • O,S-Diethyl O-(4-nitrophenyl)phosphorothioate
  • O,S-Diethyl O-(4-nitrophenyl)thiophosphate
  • O,S-Diethyl O-(p-nitrophenyl) phosphorothioate
  • O,S-Diethyl-O-p-nitrofenyl ester kyseliny thiofosforecne
  • O,S-Diethyl-O-p-nitrofenyl ester kyseliny thiofosforecne [Czech]
  • O,S-Diethyl-O-p-nitrofenylthiofosfat
  • O,S-Diethyl-O-p-nitrofenylthiofosfat [Czech]
  • S-Ethyl parathion

Systematic Names

  • Phosphorothioic acid, O,S-diethyl O-(4-nitrophenyl) ester (9CI)
  • Phosphorothioic acid, O,S-diethyl-O-(p-nitrophenyl) ester

Registry Numbers

CAS Registry Number

  • 597-88-6

System Generated Number

  • 0000597886

Structure Descriptors

InChI

1S/C10H14NO5PS/c1-3-15-17(14,18-4-2)16-10-7-5-9(6-8-10)11(12)13/h5-8H,3-4H2,1-2H3

InChIKey

BGWJTLLALYACOG-UHFFFAOYSA-N

Smiles

CCOP(=O)(Oc1ccc(cc1)[N+](=O)[O-])SCC

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
guinea pig LD50 oral 32mg/kg (32mg/kg)   Journal of Pharmacology and Experimental Therapeutics. Vol. 105, Pg. 156, 1952.
mouse LD50 intraperitoneal 50ug/kg (0.05mg/kg) PERIPHERAL NERVE AND SENSATION: FLACCID PARALYSIS WITHOUT ANESTHESIA (USUALLY NEUROMUSCULAR BLOCKAGE) Pharmazie. Vol. 35, Pg. 806, 1980.
mouse LD50 oral 25mg/kg (25mg/kg)   Journal of Pharmacology and Experimental Therapeutics. Vol. 105, Pg. 156, 1952.
mouse LD50 unreported 20mg/kg (20mg/kg)   Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und Pharmakologie. Vol. 239, Pg. 126, 1960.
mouse LDLo subcutaneous 20mg/kg (20mg/kg)   Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und Pharmakologie. Vol. 211, Pg. 264, 1950.
rat LD50 intramuscular 10mg/kg (10mg/kg) BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY)

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

KIDNEY, URETER, AND BLADDER: URINE VOLUME INCREASED
American Industrial Hygiene Association Journal. Vol. 19, Pg. 190, 1958.
rat LD50 intraperitoneal 5500ug/kg (5.5mg/kg)   AMA Archives of Industrial Hygiene and Occupational Medicine. Vol. 6, Pg. 9, 1952.
rat LD50 oral 17900ug/kg (17.9mg/kg)   "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 1162, 1986.
rat LD50 skin 75mg/kg (75mg/kg)   Toxicology and Applied Pharmacology. Vol. 2, Pg. 523, 1960.