Product Name

  • Name

    ISOPARATHION

  • EINECS
  • CAS No. 597-88-6
  • Density 1.328g/cm3
  • Solubility
  • Melting Point
  • Formula C10H14 N O5 P S
  • Boiling Point 395.7°Cat760mmHg
  • Molecular Weight 291.265
  • Flash Point 193.1°C
  • Transport Information
  • Appearance
  • Safety Poison by ingestion, skin contact, intraperitoneal, subcutaneous, and intramuscular routes. When heated to decomposition it emits very toxic fumes of NOx. See also PARATHION.
  • Risk Codes
  • Molecular Structure Molecular Structure of 597-88-6 (ISOPARATHION)
  • Hazard Symbols
  • Synonyms Phosphorothioicacid, O,S-diethyl O-(p-nitrophenyl) ester (6CI,8CI); Isoparathion; O,S-DiethylO-4-nitrophenyl phosphorothioate; O,S-Diethyl O-p-nitrophenyl phosphate;S-Ethyl parathion
  • PSA 116.46000
  • LogP 4.39450

O,S-Diethyl-o-(4-nitrophenyl)thio-phosphate Chemical Properties

IUPAC Name: 1-[Ethoxy(ethylsulfanyl)phosphoryl]oxy-4-nitrobenzene
Synonyms: Phosphorothioic acid, O,S-diethyl O-(4-nitrophenyl) ester (9CI) ; p-Nitrophenyl diethyl thiophosphate ; Isoparathion ; O,S-Diethyl O-(p-nitrophenyl) phosphorothioate
CAS NO:597-88-6
Molecular Formula of O,S-Diethyl-o-(4-nitrophenyl)thio-phosphate (CAS NO.597-88-6) : C10H14NO5PS
Molecular Weight of O,S-Diethyl-o-(4-nitrophenyl)thio-phosphate (CAS NO.597-88-6) :291.2606
Molecular Structure of O,S-Diethyl-o-(4-nitrophenyl)thio-phosphate (CAS NO.597-88-6) :
Index of Refraction: 1.551
Surface Tension: 49.3 dyne/cm
Density: 1.328 g/cm3
Flash Point: 193.1 °C
Enthalpy of Vaporization: 62.07 kJ/mol
Boiling Point: 395.7 °C at 760 mmHg
Vapour Pressure: 4.13E-06 mmHg at 25°C

O,S-Diethyl-o-(4-nitrophenyl)thio-phosphate Toxicity Data With Reference

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) KIDNEY, URETER, AND BLADDER: URINE VOLUME INCREASED

BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY)

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD		 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.

O,S-Diethyl-o-(4-nitrophenyl)thio-phosphate Safety Profile

Poison by ingestion, skin contact, intraperitoneal, subcutaneous, and intramuscular routes. When heated to decomposition it emits very toxic fumes of NOx. See also PARATHION.

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