Trimellitic anhydride
CAS Registry Number®
552-30-7
CAS Name
Trimellitic anhydrideMolecular Formula
C9H4O5Molecular Mass
192.13Cite this Page
Trimellitic anhydride. CAS Common Chemistry. CAS, a division of the American Chemical Society, n.d. http://commonchemistry.cas.org/detail?cas_rn=552-30-7 (retrieved ) (CAS RN: 552-30-7). Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).Compound Properties
Boiling Point (1)
390 °CMelting Point (1)
161-163.5 °C
Source(s)
- (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)
Other Names and Identifiers
InChI
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
InChIKey=SRPWOOOHEPICQU-UHFFFAOYSA-N
SMILES
O=C1C=2C(C(=O)O1)=CC=C(C(O)=O)C2
Canonical SMILES
O=C(O)C1=CC=C2C(=O)OC(=O)C2=C1
Other Names for this Substance
- 5-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-
- 1,2,4-Benzenetricarboxylic acid, cyclic 1,2-anhydride
- Trimellitic acid anhydride
- 1,2,4-Benzenetricarboxylic acid, anhydride
- 1,3-Dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid
Deleted or Replaced CAS Registry Numbers
28605-64-3, 68864-89-1, 70425-46-6, 928770-37-0, 2088100-85-8