CAS Registry Number®
85-44-9
CAS Name
Phthalic anhydride
Molecular Formula
C8H4O3
Molecular Mass
148.12
Compound Properties
-
Boiling Point (1)
295 °C
-
Melting Point (1)
130.8 °C
-
Density (2)
1.53 g/cm3
Source(s)
- (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)
- (2) International Chemical Safety Cards data were obtained from the National Institute for Occupational Safety and Health (US)
Other Names and Identifiers
InChI
InChI=1S/C8H4O3/c9-7-5-3-1-2-4-6(5)8(10)11-7/h1-4H
InChIKey
InChIKey=LGRFSURHDFAFJT-UHFFFAOYSA-N
SMILES
O=C1C=2C(C(=O)O1)=CC=CC2
Canonical SMILES
O=C1OC(=O)C=2C=CC=CC12
Other Names for this Substance
- 1,3-Isobenzofurandione
- Phthalic anhydride
- ESEN
- Phthalandione
- 1,3-Phthalandione
- Phthalic acid anhydride
- Retarder AK
- Retarder ESEN
- Retarder PD
- 1,2-Benzenedicarboxylic anhydride
- Vulkalent B/C
- TGL 6525
- Araldite HT 901
- HT 901
- Phthalanhydride
- Sconoc 7
- Retarder B-C
- NSC 10431
- Sconoc 5
- 2-Benzofuran-1,3-dione
- Rikacid PA
- OP 392
- ADP 1200
- 1,3-Dihydro-2-benzofuran-1,3-dione
Deleted or Replaced CAS Registry Numbers
39363-63-8