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Substance Name: Tolclofos-methyl [BSI:ISO]
RN: 57018-04-9
UNII: G42OQL6F5B
InChIKey: OBZIQQJJIKNWNO-UHFFFAOYSA-N

Note

  • A fungicide used in the cultivation of cotton, sugar beets, and ornamental plants.

Classification Codes

  • Agricultural Chemical
  • Fungicide, Bactericide, Wood Preservative

Molecular Formula

  • C9-H11-Cl2-O3-P-S

Molecular Weight

  • 301.1289
 
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Names and Synonyms

Name of Substance

  • Tolclofos-methyl
  • Tolclofos-methyl [BSI:ISO]

Synonyms

  • BRN 2136521
  • EINECS 260-515-3
  • O,O-Dimethyl O-(2,6-dichloro-4-methylphenyl)phosphorothioate
  • O-(2,6-Dichloro-4-methylphenyl) O,O-dimethyl phosphorothioate (9CI)
  • O-(2,6-Dichloro-p-tolyl) O,O-dimethyl ester of phosphorothioic acid
  • O-2,6-Dichloro-p-tolyl O,O-dimethyl phosphorothioate
  • Phosphorothioic acid, O-(2,6-dichloro-4-methylphenyl) O,O-dimethyl ester
  • Risolex
  • Rizolex
  • S-3349
  • Toclofos-methyl
  • Tolclofos-methyl
  • UNII-G42OQL6F5B

Systematic Names

  • O-(2,6-Dichloro-p-tolyl) O,O-dimethyl thiophosphate
  • Phosphorothioic acid, O-(2,6-dichloro-4-methylphenyl) O,O-dimethyl ester
  • Phosphorothioic acid, O-(2,6-dichloro-p-tolyl) O,O-dimethyl ester

Registry Numbers

CAS Registry Number

  • 57018-04-9

FDA UNII

  • G42OQL6F5B

Other Registry Number

  • 78617-09-1

System Generated Number

  • 0057018049

Structure Descriptors

InChI

1S/C9H11Cl2O3PS/c1-6-4-7(10)9(8(11)5-6)14-15(16,12-2)13-3/h4-5H,1-3H3

InChIKey

OBZIQQJJIKNWNO-UHFFFAOYSA-N

Smiles

Cc1cc(c(c(c1)Cl)OP(=S)(OC)OC)Cl

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
duck LD50 oral > 5gm/kg (5000mg/kg)   Pesticide Manual. Vol. 9, Pg. 826, 1991.
mouse LD50 intraperitoneal 1070mg/kg (1070mg/kg)   "Agrochemicals Handbook," with updates, Hartley, D., and H. Kidd, eds., Nottingham, Royal Soc of Chemistry, 1983-86Vol. A508, Pg. 1985,
mouse LD50 oral 3500mg/kg (3500mg/kg)   "Agrochemicals Handbook," with updates, Hartley, D., and H. Kidd, eds., Nottingham, Royal Soc of Chemistry, 1983-86Vol. A508, Pg. 1985,
mouse LD50 skin > 5gm/kg (5000mg/kg)   Japan Pesticide Information. Vol. (41), Pg. 21, 1982.
mouse LD50 subcutaneous > 5gm/kg (5000mg/kg)   Japan Pesticide Information. Vol. (41), Pg. 21, 1982.
quail LD50 oral > 5gm/kg (5000mg/kg)   Pesticide Manual. Vol. 8, Pg. 810, 1987.
rat LD50 intraperitoneal 4900mg/kg (4900mg/kg)   "Agrochemicals Handbook," with updates, Hartley, D., and H. Kidd, eds., Nottingham, Royal Soc of Chemistry, 1983-86Vol. A508, Pg. 1985,
rat LD50 oral 5gm/kg (5000mg/kg)   Farm Chemicals Handbook. Vol. -, Pg. C265, 1991.
rat LD50 skin > 5gm/kg (5000mg/kg)   Japan Pesticide Information. Vol. (41), Pg. 21, 1982.
rat LD50 subcutaneous > 5gm/kg (5000mg/kg)   Japan Pesticide Information. Vol. (41), Pg. 21, 1982.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 79 deg C   EXP
log P (octanol-water) 4.56 (none)   EXP
Water Solubility 1.1 mg/L 25 EXP
Vapor Pressure 4.30E-04 mm Hg 25 EXP
Henry's Law Constant 1.54E-04 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 6.06E-11 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.