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CAS No 1861-32-1 , dimethyl 2,3,5,6-tetrachlorobenzene-1,4-dicarboxylate

  • Name: dimethyl 2,3,5,6-tetrachlorobenzene-1,4-dicarboxylate
  • Synonyms: dacthal;dimethyl 2,3,5,6-tetrachlorobenzene-1,4-dicarboxylate; Chlorthal-methyl; Dacthalor; 1861-32-1; DIMETHYL TETRACHLOROTEREPHTHALATE; Tetral; Fatal; DCPA;Chlorthal-dimethyl;
  • CAS Registry Number:
  • Melting Point: 155-156 ºC
  • Flash Point: 174.7°C
  • Boiling Point: 422°Cat760mmHg
  • Density: 1.558g/cm3
  • Refractive index: 1.564
  • Water Solubility: 0.05 G/100 ML
  • Safety Statements: Poison by intravenous route. Moderately toxic by an unspecified route. When heated to decomposition it emits toxic fumes of Cl−. Used as a pesticide. See also ESTERS.
  • Flash Point: 174.7°C
  • EINECS: 217-464-7
  • Molecular Weight: 331.96424
  • InchiKey: NPOJQCVWMSKXDN-UHFFFAOYSA-N
  • InChI: InChI=1S/C10H6Cl4O4/c1-17-9(15)3-5(11)7(13)4(10(16)18-2)8(14)6(3)12/h1-
    2H3
  • Risk Statements: S22;S24/25
  • Molecular Formula: C10H6Cl4O4
  • Molecular Structure:CAS No:1861-32-1 dimethyl 2,3,5,6-tetrachlorobenzene-1,4-dicarboxylate

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References of dimethyl 2,3,5,6-tetrachlorobenzene-1,4-dicarboxylate
Title: DCPA
CAS Registry Number: 1861-32-1
CAS Name: 2,3,5,6-Tetrachloro-1,4-benzenedicarboxylic acid dimethyl ester
Synonyms: 2,3,5,6-tetrachloroterephthalic acid dimethyl ester; dimethyl 2,3,5,6-tetrachloroterephthalate; chlorthal-methyl
Trademarks: Dacthal; Rid
Molecular Formula: C10H6Cl4O4
Molecular Weight: 331.96
Percent Composition: C 36.18%, H 1.82%, Cl 42.72%, O 19.28%
Literature References: Prepn: Lindemann, US 2923634 (1960 to Diamond Alkali). Toxicity data: G. W. Bailey, J. L. White, Residue Rev. 10, 97 (1965).
Properties: Crystals from methanol, mp 155-156°. Solubility: <5% in water; >5% in acetone, cyclohexanone, xylene. LD50 orally in rats: >3000 mg/kg (Bailey, White).
Melting point: mp 155-156°
Toxicity data: LD50 orally in rats: >3000 mg/kg (Bailey, White)
Use: Pre-emergent herbicide.