Product Name

  • Name

    S-{4-[(dimethoxyphosphorothioyl)sulfanyl]benzyl} O,O-dimethyl phosphorodithioate

  • EINECS
  • CAS No. 2782-70-9
  • Density 1.38g/cm3
  • Solubility
  • Melting Point
  • Formula C11H18 O4 P2 S4
  • Boiling Point 460.2°Cat760mmHg
  • Molecular Weight 404.473
  • Flash Point 232.1°C
  • Transport Information
  • Appearance
  • Safety Poison by ingestion. Moderately toxic by skin contact. When heated to decomposition it emits very toxic fumes of POx and SOx. A pesticide. See also ESTERS.
  • Risk Codes
  • Molecular Structure Molecular Structure of 2782-70-9 (S-{4-[(dimethoxyphosphorothioyl)sulfanyl]benzyl} O,O-dimethyl phosphorodithioate)
  • Hazard Symbols
  • Synonyms Benzylidenemethyl phosphorodithioate (7CI); Phosphorodithioic acid, S,S'-benzylideneO,O,O',O'-tetramethyl ester (8CI); S,S'-Benzylidene bis(O,O-dimethylphosphorodithioate); SD 7438; Toluene-a,a-dithiol bis(O,O-dimethyl phosphorodithioate)
  • PSA
  • LogP

Benzylidenemethylphosphoro-dithioate Chemical Properties

IUPAC Name: [4-(dimethoxyphosphinothioylsulfanylmethyl)phenyl]sulfanyl-dimethoxy-sulfanylidene-$l^{5}-phosphane
Synonyms of Benzylidenemethylphosphoro-dithioate (CAS NO.2782-70-9): AI3-25739 ; BRN 3006799 ; ENT 25,739 ; Phosphorodithioic acid, S,S'-(phenylmethylene)-, O,O,O',O'-tetramethyl ester ;  S,S'-(Phenylmethylene)bis(O,O-dimethyl phosphorodithioate) ; S,S'-Benzyliden-bis-(O,O-dimethyldithiofosfat) ;  S,S'-Benzyliden-bis-(O,O-dimethyldithiofosfat) [Czech] ; S,S'-Benzylidene bis(O,O-dimethyl phosphorodithioate) ; SD 7438 ; Shell SD 7,438 ; Toluene-alpha,alpha-dithiol, bis(O,O-dimethyl phosphorodithioate) ; alpha,alpha-Dithiol bis(O,O-dimethyl phosphorodithioate)toluene
CAS NO: 2782-70-9
Molecular Formula of Benzylidenemethylphosphoro-dithioate (CAS NO.2782-70-9): C11H18O4P2S4
Molecular Weight: 404.4657
Molecular Structure:

H bond acceptors: 4
H bond donors: 0
Freely Rotating Bonds: 9
Polar Surface Area: 171.32 Å2
Index of Refraction: 1.602
Molar Refractivity: 100.36 cm3
Molar Volume: 292.5 cm3
Surface Tension: 59.9 dyne/cm
Density: 1.38 g/cm3
Flash Point: 232.1 °C
Enthalpy of Vaporization: 69.32 kJ/mol
Boiling Point: 460.2 °C at 760 mmHg
Vapour Pressure: 3.26E-08 mmHg at 25°C

Benzylidenemethylphosphoro-dithioate Uses

 Benzylidenemethylphosphoro-dithioate (CAS NO.2782-70-9) is used as pesticide.

Benzylidenemethylphosphoro-dithioate Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
chicken LD50 oral 5096mg/kg (5096mg/kg) PERIPHERAL NERVE AND SENSATION: SPASTIC PARALYSIS WITH OR WITHOUT SENSORY CHANGE

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

BEHAVIORAL: ATAXIA		 Toxicology and Applied Pharmacology. Vol. 11, 49.
mouse LD50 oral 176mg/kg (176mg/kg)   Agricultural Research Service, USDA Information Memorandum. Vol. 20, Pg. 19, 1966.
rabbit LD50 skin 2500mg/kg (2500mg/kg)   Bulletin of the Entomological Society of America. Vol. 12, Pg. 161, 1966.
rat LD50 oral 265mg/kg (265mg/kg)   Toxicology and Applied Pharmacology. Vol. 14, Pg. 515, 1969.
rat LD50 skin > 5gm/kg (5000mg/kg)   Toxicology and Applied Pharmacology. Vol. 14, Pg. 515, 1969.

Benzylidenemethylphosphoro-dithioate Safety Profile

Poison by ingestion. Moderately toxic by skin contact. When heated to decomposition it emits very toxic fumes of POx and SOx. A pesticide. See also ESTERS.

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