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Substance Name: Trimellitic anhydride
RN: 552-30-7
UNII: 80T61EUU7H
InChIKey: SRPWOOOHEPICQU-UHFFFAOYSA-N

Classification Code

  • Ceiling 0.04 mg/m3

Molecular Formula

  • C9-H4-O5

Molecular Weight

  • 192.1256
 
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Names and Synonyms

Name of Substance

  • Trimellitic anhydride

Synonyms

  • 1,2,4-Benzenetricarboxylic acid 1,2-anhydride
  • 1,2,4-Benzenetricarboxylic acid anhydride
  • 1,2,4-Benzenetricarboxylic acid, cyclic 1,2-anhydride
  • 1,3-Dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid
  • 1,3-Dioxo-5-phthalancarboxylic acid
  • 4-Carboxyphthalic anhydride
  • 5-18-08-00562 (Beilstein Handbook Reference)
  • 5-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-
  • 5-Phthalanacarboxylic acid, 1,3-dioxo-
  • Anhydride-ethomid ht polymer
  • Anhydrotrimellic acid
  • Anhydrotrimellitic acid
  • BRN 0009394
  • CCRIS 6282
  • Diphenylmethane-4,4'-diisocyanate-trimellic anhydride-ethomid HT polymer
  • EC 209-008-0
  • EINECS 209-008-0
  • Epon 9150
  • HSDB 4299
  • NCI-C56633
  • NSC 60252
  • TMA
  • Trimellic acid 1,2-anhydride
  • Trimellic acid anhydride
  • Trimellitic acid 1,2-anhydride
  • Trimellitic acid anhydride
  • Trimellitic acid cyclic 1,2-anhydride
  • Trimellitic anhydride
  • UNII-80T61EUU7H

Systematic Names

  • 1,2,4-Benzenetricarboxylic acid, cyclic 1,2-anhydride (8CI)
  • 1,3-Dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid
  • 5-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-
  • Benzene-1,2,4-tricarboxylic acid 1,2-anhydride
  • Trimellitic anhydride

Superlist Names

  • 1,2,4-Benzenetricarboxylic acid, cyclic 1,2-anhydride
  • 5-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-
  • Trimellitic acid anhydride
  • Trimellitic anhydride

Registry Numbers

CAS Registry Number

  • 552-30-7

FDA UNII

  • 80T61EUU7H

Other Registry Numbers

  • 2088100-85-8
  • 28605-64-3
  • 68864-89-1
  • 70425-46-6
  • 928770-37-0

System Generated Number

  • 0000552307

Structure Descriptors

InChI

1S/C9H4O5/c10-7(11)4-1-2-5-6(3-4)9(13)14-8(5)12/h1-3H,(H,10,11)

InChIKey

SRPWOOOHEPICQU-UHFFFAOYSA-N

Smiles

c1cc2c(cc1C(=O)O)C(=O)OC2=O

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 oral 1900mg/kg (1900mg/kg) LUNGS, THORAX, OR RESPIRATION: DYSPNEA Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 18(7), Pg. 57, 1974.
rabbit LD50 oral 5600mg/kg (5600mg/kg)   "Documentation of the Threshold Limit Values and Biological Exposure Indices," 5th ed., Cincinnati, OH, American Conference of Governmental Industrial Hygienists, Inc., 1986Vol. 6, Pg. 1642, 1991.
rat LC inhalation > 7400mg/m3/4H (7400mg/m3)   "Documentation of the Threshold Limit Values and Biological Exposure Indices," 5th ed., Cincinnati, OH, American Conference of Governmental Industrial Hygienists, Inc., 1986Vol. 6, Pg. 1642, 1991.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 162 deg C   EXP
Boiling Point 390 deg C   EXP
log P (octanol-water) 1.950 (none)   EST
Water Solubility 1040 mg/L 25 EST
Vapor Pressure 9.86E-06 mm Hg 25 EXP
Henry's Law Constant 1.28E-10 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 7.97E-13 cm3/molecule-sec 25 EST

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