Isophthalic acid
CAS Registry Number®
121-91-5
CAS Name
Isophthalic acidMolecular Formula
C8H6O4Molecular Mass
166.13Cite this Page
Isophthalic acid. CAS Common Chemistry. CAS, a division of the American Chemical Society, n.d. http://commonchemistry.cas.org/detail?cas_rn=121-91-5 (retrieved ) (CAS RN: 121-91-5). Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).Compound Properties
Boiling Point (1)
100 °CMelting Point (2)
347 °CDensity (2)
1.507 g/cm³ @ Temp: 20 °C
Source(s)
- (1) PhysProp data were obtained from Syracuse Research Corporation of Syracuse, New York (US)
- (2) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)
Other Names and Identifiers
InChI
InChI=1S/C8H6O4/c9-7(10)5-2-1-3-6(4-5)8(11)12/h1-4H,(H,9,10)(H,11,12)
InChIKey
InChIKey=QQVIHTHCMHWDBS-UHFFFAOYSA-N
SMILES
C(O)(=O)C1=CC(C(O)=O)=CC=C1
Canonical SMILES
O=C(O)C1=CC=CC(=C1)C(=O)O
Other Names for this Substance
- 1,3-Benzenedicarboxylic acid
- Isophthalic acid
- m-Benzenedicarboxylic acid
- m-Phthalic acid
- m-Dicarboxybenzene
Deleted or Replaced CAS Registry Numbers
55185-18-7, 2088100-84-7