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122-14-5

Basic Information
CAS No.: 122-14-5
Name: Fenitrothion
Article Data: 14
Molecular Structure:
Molecular Structure of 122-14-5 (Fenitrothion)
Formula: C9H12NO5PS
Molecular Weight: 277.238
Synonyms: Phosphorothioicacid, O,O-dimethyl O-(4-nitro-m-tolyl) ester (6CI,8CI);Phosphorothioicacid, O,O-dimethyl O-(3-methyl-4-nitrophenyl) ester;Accothion;Agria 1050;Agriya 1050;Agrothion;Arbogal;BAY 41831;Bayer 41831;Bayer S5660;CL 47300;CP 47114;Dimethyl 4-nitro-m-tolyl phosphorothionate;EI 47300;ENT 25,715;Fenition;
EINECS: 204-524-2
Density: 1.3227 g/cm3
Melting Point: 3.4 °C
Boiling Point: 349.5 °C at 760 mmHg
Flash Point: 165.2 °C
Solubility: 0.003 g/100 mL in water
Appearance: brownish-yellow oil
Hazard Symbols: HarmfulXn,DangerousN
Risk Codes: 50/53-23-21/22-67-65-38-11
Safety: 2-60-61-45-36/37-62
PSA: 115.41000
LogP: 3.97310
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    name Fenitrothion Chemical name O,O-dimethyl O-(3-methyl-4-nitrophenyl) phosphorothioate CAS# 122-14-5 formula C9H12NO5PS Mol

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Chemistry

IUPAC Name: Dimethoxy-(3-methyl-4-nitrophenoxy)-sulfanylidene-λ5-phosphane
Synonyms of Fenitrothion (CAS NO.122-14-5): 3-Methyl-4-nitrophenyl dimethyl phosphorothioate ; Accothion  ; Agrothion ; Cekutrothion ; Dimethyl (3-methyl-4-nitrophenyl) thiophosphate ; Fenitrothion ; Metathionine ; O,O-Dimethyl O-(3-methyl-4-nitrophenyl) phosphorothioate ; Phenitrothion ; m-Cresol, 4-nitro-, O-ester with O,O-dimethyl
phosphorothioate
CAS NO: 122-14-5
Molecular Formula: C9H12NO5PS
Molecular Weight: 277.23
Molecular Structure:
EINECS:  204-524-2
H bond acceptors: 6
H bond donors: 0
Freely Rotating Bonds: 5
Polar Surface Area: 115.41 Å2
Index of Refraction: 1.57
Molar Refractivity: 66.55 cm3
Molar Volume: 202.7 cm3
Surface Tension: 54 dyne/cm
Density: 1.367 g/cm3
Flash Point: 165.2 °C
Enthalpy of Vaporization: 57.06 kJ/mol
Boiling Point: 349.5 °C at 760 mmHg
Vapour Pressure: 9.44E-05 mmHg at 25°C 
Melting Point: 3.4°C
Storage temp: APPROX 4°C
Water Solubility: 0.003 g/100 mL
Appearance: Brownish-yellow oil
Product Categories: INSECTICIDE;Herbicides;OrganophorousPesticides&Metabolites;Urea structure;Alpha sort;E-GAlphabetic;Pesticides&Metabolites;Alphabetic;F;FA - FLPesticides;Insecticides;Organophorous

Uses

 Fenitrothion (CAS NO.122-14-5) is an organophosphate insecticide.

Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
bird - wild LD50 oral 11mg/kg (11mg/kg)   Archives of Environmental Contamination and Toxicology. Vol. 12, Pg. 355, 1983.
cat LD50 oral 142mg/kg (142mg/kg)   Agricultural and Biological Chemistry. Vol. 25, Pg. 605, 1961.
cattle LD50 unreported 217mg/kg (217mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY)

BEHAVIORAL: EXCITEMENT
Indian Journal of Animal Sciences. Vol. 49, Pg. 314, 1979.
chicken LD50 oral 280mg/kg (280mg/kg) PERIPHERAL NERVE AND SENSATION: FLACCID PARALYSIS WITHOUT ANESTHESIA (USUALLY NEUROMUSCULAR BLOCKAGE)

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
Toxicology and Applied Pharmacology. Vol. 11, Pg. 49, 1967.
duck LD50 oral 1190mg/kg (1190mg/kg)   Toxicology and Applied Pharmacology. Vol. 47, Pg. 451, 1979.
duck LD50 skin 504mg/kg (504mg/kg)   Toxicology and Applied Pharmacology. Vol. 47, Pg. 451, 1979.
guinea pig LD50 intravenous 112mg/kg (112mg/kg)   Agricultural and Biological Chemistry. Vol. 27, Pg. 669, 1963.
guinea pig LD50 intravenous 112mg/kg (112mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

LUNGS, THORAX, OR RESPIRATION: DYSPNEA
Agricultural and Biological Chemistry. Vol. 27, Pg. 669, 1963.
guinea pig LD50 oral 500mg/kg (500mg/kg)   "Wirksubstanzen der Pflanzenschutz und Schadlingsbekampfungsmittel," Perkow, W., Berlin, Verlag Paul Parey, 1971-1976Vol. -, Pg. -, 1971/1976.
mammal (species unspecified) LD50 unreported 142mg/kg (142mg/kg)   "Chemistry of Pesticides," Melnikov, N.N., New York, Springer-Verlag New York, Inc., 1971Vol. -, Pg. 330, 1971.
man LDLo oral 429uL/kg (0.429mL/kg) BEHAVIORAL: COMA

LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION

GASTROINTESTINAL: OTHER CHANGES
Human Toxicology. Vol. 6, Pg. 403, 1987.
mouse LD50 intracrebral 1gm/kg (1000mg/kg)   Pesticide Biochemistry and Physiology. Vol. 8, Pg. 302, 1978.
mouse LD50 intraperitoneal 280mg/kg (280mg/kg)   Agricultural and Biological Chemistry. Vol. 25, Pg. 605, 1961.
mouse LD50 oral 229mg/kg (229mg/kg)   Toho Igakkai Zasshi. Journal of Medical Society of Toho University. Vol. 25, Pg. 635, 1978.
mouse LD50 skin 2500mg/kg (2500mg/kg)   Agricultural and Biological Chemistry. Vol. 25, Pg. 605, 1961.
mouse LD50 subcutaneous 1gm/kg (1000mg/kg)   Agricultural and Biological Chemistry. Vol. 25, Pg. 605, 1961.
mouse LD50 unreported 470mg/kg (470mg/kg)   Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 7(5), Pg. 38, 1963.
quail LD50 oral 56200ug/kg (56.2mg/kg)   Archives of Environmental Contamination and Toxicology. Vol. 12, Pg. 355, 1983.
rabbit LD50 skin 1250mg/kg (1250mg/kg)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 31(10), Pg. 12, 1966.
rat LC50 inhalation 378mg/m3/4H (378mg/m3) BEHAVIORAL: TREMOR

BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY)

LUNGS, THORAX, OR RESPIRATION: DYSPNEA
Egeszsegtudomany. Vol. 24, Pg. 173, 1980.
rat LD50 intraperitoneal 300mg/kg (300mg/kg) AUTONOMIC NERVOUS SYSTEM: OTHER (DIRECT) PARASYMPATHOMIMETIC

LUNGS, THORAX, OR RESPIRATION: FIBROSIS (INTERSTITIAL)
Toxicology and Applied Pharmacology. Vol. 63, Pg. 91, 1982.
rat LD50 intratracheal 950mg/kg (950mg/kg) AUTONOMIC NERVOUS SYSTEM: OTHER (DIRECT) PARASYMPATHOMIMETIC

LUNGS, THORAX, OR RESPIRATION: FIBROSIS (INTERSTITIAL)

BEHAVIORAL: TREMOR
Toxicology and Applied Pharmacology. Vol. 63, Pg. 91, 1982.
rat LD50 intravenous 33mg/kg (33mg/kg)   Agricultural and Biological Chemistry. Vol. 27, Pg. 669, 1963.
rat LD50 intravenous 33mg/kg (33mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

LUNGS, THORAX, OR RESPIRATION: DYSPNEA
Agricultural and Biological Chemistry. Vol. 27, Pg. 669, 1963.
rat LD50 oral 250mg/kg (250mg/kg)   Journal of Economic Entomology. Vol. 61, Pg. 743, 1968.
rat LD50 skin 1002mg/kg (1002mg/kg)   Arquivos do Instituto Biologico, Sao Paulo. Vol. 37, Pg. 219, 1970.
rat LD50 subcutaneous 1300mg/kg (1300mg/kg)   Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 13, Pg. 401, 1988.
rat LD50 unreported 290mg/kg (290mg/kg)   Nippon Yakurigaku Zasshi. Japanese Journal of Pharmacology. Vol. 74, Pg. 41P, 1978.
women TDLo oral 800mg/kg (800mg/kg) GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"

GASTROINTESTINAL: NAUSEA OR VOMITING

LUNGS, THORAX, OR RESPIRATION: DYSPNEA
Archives of Toxicology. Vol. 56, Pg. 136, 1984.

Safety Profile

Safety Information about  Fenitrothion (CAS NO.122-14-5):
Hazard Codes: HarmfulXnDangerousN,ToxicT,FlammableF
Risk Statements: 50/53-23-21/22-67-65-38-11
R11: Highly flammable. 
R21/22: Harmful in contact with skin and if swallowed. 
R23 : Toxic by inhalation. 
R50/53: Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. 
R65: Harmful: may cause lung damage if swallowed. 
R67: Vapours may cause drowsiness and dizziness.
Safety Statements: 2-60-61-45-36/37-62 
S2: Keep out of the reach of children. 
S36/37: Wear suitable protective clothing and gloves. 
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S60: This material and its container must be disposed of as hazardous waste. 
S61: Avoid release to the environment. Refer to special instructions / safety data sheets. 
S62: If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label.
RIDADR: 3018
RTECS: TG0350000
HazardClass: 6.1(b)
PackingGroup: III

Specification

Health Hazard: Fenitrothion is an organophosphate insecticide. It is a highly toxic cholinesterase inhibitor, that acts on the nervous system. Does not cause delayed neurotoxicity and contact produces little irritation.
Fire Hazard: When heated to decomposition, Fenitrothion emits very toxic fumes of oxides of nitrogen, phosphorus and sulfur. Decomposition at 212-284F produces a mixture of organophosphorus polymers. Unstable in alkaline media. Stable for 2 years if stored at 68-77F. Do not store above 104F.