Structural Formula Vector Image
Title: Chlorfenac
CAS Registry Number: 85-34-7
CAS Name: 2,3,6-Trichlorobenzeneacetic acid
Additional Names: 2,3,6-trichlorophenylacetic acid
Trademarks: Fenac; Tri-Fene (Tenneco)
Molecular Formula: C8H5Cl3O2
Molecular Weight: 239.48
Percent Composition: C 40.12%, H 2.10%, Cl 44.41%, O 13.36%
Literature References: Prepd by conversion of 2,3,6-trichlorotoluene to the benzyl chloride, the benzyl cyanide, then hydrolysis: GB 860310 (1961 to Hooker). Toxicity study: G. W. Bailey, J. L. White, Residue Rev. 10, 97 (1965).
Properties: Crystals from benzene, mp 161°. Sol in acetone, alcohol, ether. Practically insol in water. LD50 orally in rats: 3000 mg/kg (Bailey, White).
Melting point: mp 161°
Toxicity data: LD50 orally in rats: 3000 mg/kg (Bailey, White)
Use: Herbicide.
Status: This monograph has been retired and is no longer subject to revision or update.

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