Return to Results Terephthalic acid
CAS Registry Number®
100-21-0
CAS Name
Terephthalic acidMolecular Formula
C8H6O4Molecular Mass
166.13Cite this Page
Terephthalic acid. CAS Common Chemistry. CAS, a division of the American Chemical Society, n.d. http://commonchemistry.cas.org/detail?cas_rn=100-21-0 (retrieved ) (CAS RN: 100-21-0). Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).Compound Properties
Melting Point (1)
402 °C (sublm)Density (2)
1.51 g/cm³
Source(s)
- (1) International Chemical Safety Cards data were obtained from the National Institute for Occupational Safety and Health (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)5-1-2-6(4-3-5)8(11)12/h1-4H,(H,9,10)(H,11,12)
InChIKey
InChIKey=KKEYFWRCBNTPAC-UHFFFAOYSA-N
SMILES
C(O)(=O)C1=CC=C(C(O)=O)C=C1
Canonical SMILES
O=C(O)C1=CC=C(C=C1)C(=O)O
Other Names for this Substance
- 1,4-Benzenedicarboxylic acid
- Terephthalic acid
- p-Benzenedicarboxylic acid
- p-Phthalic acid
- WR 16262
Deleted or Replaced CAS Registry Numbers
211863-90-0, 211863-92-2, 2088100-81-4
