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Name	O,S-Diethyl-o-(4-nitrophenyl)thio-phosphate	EINECS	N/A
CAS No.	597-88-6	Density	1.328g/cm³
PSA	116.46000	LogP	4.39450
Solubility	N/A	Melting Point	N/A
Formula	C10H14 N O5 P S	Boiling Point	395.7°Cat760mmHg
Molecular Weight	291.265	Flash Point	193.1°C
Transport Information	N/A	Appearance	N/A
Safety	Poison by ingestion, skin contact, intraperitoneal, subcutaneous, and intramuscular routes. When heated to decomposition it emits very toxic fumes of NO_x. See also PARATHION.	Risk Codes	N/A
Molecular Structure		Hazard Symbols	N/A
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

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 NO_x. See also PARATHION.

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