Tetrachlorophthalic anhydride

C8Cl4O3CAS 117-08-8285.89 g/mol

OOOClClClCl
Acid anhydrideAryl halide

Properties

Molecular formula
C8Cl4O3
Molar mass
285.89 g/mol
Exact mass
283.8602 Da
Density
1.49 g/mL (at 275 °C)
Melting point
255–256.5 °C
Boiling point
371 °C
Flash point
362 °C (closed cup)
Water solubility
4 g/L (20 °C)
logP
3.61Crippen estimate
Polar surface area
43.4 Ų
H-bond donors / acceptors
0 / 3
Rotatable bonds
0

Hazards

Danger
Corrosive (GHS05)Health Hazard (GHS08)Environmental Hazard (GHS09)

Harmonised EU classification (CLP Annex VI, index 607-242-00-1), via PubChem.

Precautionary statements

P233, P260, P261, P264+P265, P271, P272, P273, P280, P284, P302+P352, P304+P340, P305+P354+P338, P317, P321, P333+P317, P342+P316, P362+P364, P391, P403, P501

Identifiers

CAS number
117-08-8
SMILES
O=C1OC(=O)c2c(Cl)c(Cl)c(Cl)c(Cl)c21
InChIKey
AUHHYELHRWCWEZ-UHFFFAOYSA-N
InChI
InChI=1S/C8Cl4O3/c9-3-1-2(8(14)15-7(1)13)4(10)6(12)5(3)11

Weigh it out

Type any one amount. The others follow from the molar mass and density.

Names and synonyms

9 names
  • 1,3-Isobenzofurandione, 4,5,6,7-tetrachloro-
  • Phthalic anhydride, tetrachloro-
  • 4,5,6,7-Tetrachloro-1,3-isobenzofurandione
  • Niagathal
  • 1,3-Dioxy-4,5,6,7-tetrachloroisobenzofuran
  • 3,4,5,6-Tetrachlorophthalic anhydride
  • Tetrachlorophthalic acid anhydride
  • NSC 1484
  • 4,5,6,7-Tetrachloroisobenzofuran-1,3-dione

Work with Tetrachlorophthalic anhydride

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue.

Elsewhere