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CAS No 528-44-9 , benzene-1,2,4-tricarboxylic acid

  • Name: benzene-1,2,4-tricarboxylic acid
  • Synonyms: Benzene-1,2,4-tricarboxylic acid;benzene-1,2,4-tricarboxylic acid; 528-44-9; 4-Carboxyphthalic acid; 1,2,4-Tricarboxybenzene;1,2,4-Benzenetricarboxylic acid;
  • CAS Registry Number:
  • Melting Point: 229-231 ºC
  • Density: 1.654g/cm3
  • Water Solubility: 2.1 G/100 ML (25 ºC)
  • Safety Statements: R36/37/38
  • Hazard Symbols: Xi: Irritant;
  • EINECS: 208-432-3
  • Molecular Weight: 210.14034
  • InchiKey: ARCGXLSVLAOJQL-UHFFFAOYSA-N
  • InChI: InChI=1S/C9H6O6/c10-7(11)4-1-2-5(8(12)13)6(3-4)9(14)15/h1-3H,(H,10,
    11)(H,12,13)(H,14,15)
  • Risk Statements: S26;S37/39
  • Molecular Formula: C9H6O6
  • Molecular Structure:CAS No:528-44-9 benzene-1,2,4-tricarboxylic acid

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528-44-9 1,2,4-Benzenetricarboxylic acid / trimellitic acid

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References of benzene-1,2,4-tricarboxylic acid
Title: Trimellitic Acid
CAS Registry Number: 528-44-9
CAS Name: 1,2,4-Benzenetricarboxylic acid
Synonyms: 1,2,4-tricarboxybenzene
Molecular Formula: C9H6O6
Molecular Weight: 210.14
Percent Composition: C 51.44%, H 2.88%, O 45.68%
Literature References: Obtained by oxidation of coal with nitric acid: Grosskinsky, Glueckauf 88, 376 (1952), C.A. 46, 7731 (1952); by oxidation of b-indancarboxylic acid with nitric acid: Braun et al., Ber. 53, 1160 (1920). Manuf by oxidation of pseudocumene: Backlund, US 3009953 (1961 to Union Oil of Calif.).
Properties: Crystals from acetic acid or dilute alcohol. mp 218-220° (also reported 229-234° dec). Solubilities at 25° in g/100 g solvent: carbon tetrachloride 0.004; ligroin 0.03; mixed xylenes 0.006; dimethylformamide 31.3; ethyl acetate 1.7; acetone 7.9; water 2.1; ethanol 25.3. Practically insol in chloroform, benzene, carbon disulfide.
Melting point: mp 218-220° (also reported 229-234° dec)
Use: Intermediate in the prepn of resins, plasticizers, dyes, inks, adhesives.