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Basic Information
CAS No.: 115-91-3
Name: FENSULPHOTHION
Molecular Structure:
Molecular Structure of 115-91-3 (FENSULPHOTHION)
Formula: C9H13 O4 P S2
Molecular Weight: 280.306
Synonyms: Phosphorothioicacid, O,O-dimethyl O-[p-(methylsulfinyl)phenyl] ester (6CI,7CI,8CI); Phenol,p-(methylsulfinyl)-, O-ester with O,O-dimethyl phosphorothioate (8CI); BAY25198; Bayer 25,198; Bayer 25198; ENT 24,944; O,O-DimethylO-(p-methylsulfinylphenyl) phosphorothioate
Density: 1.38g/cm3
Boiling Point: 378.1°Cat760mmHg
Flash Point: 182.5°C
Safety: Poison by ingestion. When heated to decomposition it emits very toxic fumes of POx and SOx.
PSA: 105.87000
LogP: 3.83640
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Chemistry

IUPAC Name: Dimethoxy-(4-methylsulfinylphenoxy)-sulfanylidene-λ5-phosphane
Synonyms of ENT 24,944 (CAS NO.115-91-3) : O,O-Dimethyl O-(p-methylsulfinylphenyl)phosphorothioate ; Phosphorothioic acid, O,O-dimethyl O-(4-(methylsulfinyl)phenyl) ester ; Phosphorothioic acid, O,O-dimethyl O-(p-(methylsulfinyl)phenyl) ester
InChI: InChI=1/C9H13O4PS2/c1-11-14(15,12-2)13-8-4-6-9(7-5-8)16(3)10/h4-7H,1-3H3
CAS NO:115-91-3
Molecular Formula:C9H13O4PS2                                                  
Molecular Weight :280.3009                                                           
Molecular Structure :
Index of Refraction: 1.591 
Surface Tension: 62.3 dyne/cm 
Density: 1.38 g/cm3 
Flash Point: 182.5 °C 
Enthalpy of Vaporization: 60.15 kJ/mol 
Boiling Point: 378.1 °C at 760 mmHg 
Vapour Pressure: 1.4E-05 mmHg at 25°C

Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
chicken LD50 oral 2320ug/kg (2.32mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD		 Toxicology and Applied Pharmacology. Vol. 6, Pg. 147, 1964.
rat LDLo oral 3mg/kg (3mg/kg)   Agricultural Research Service, USDA Information Memorandum. Vol. 20, Pg. 3, 1966.

Safety Profile

Poison by ingestion. When ENT 24,944 (CAS NO.115-91-3) is heated to decomposition ,it emits very toxic fumes of POx and SOx.