Homophthalic anhydride

C9H6O3CAS 703-59-3162.14 g/mol

OOO
Acid anhydride

Properties

Molecular formula
C9H6O3
Molar mass
162.14 g/mol
Exact mass
162.0317 Da
Melting point
320 °C
Boiling point
100–134 °C (at 0.25 Torr)
logP
0.93Crippen estimate
Polar surface area
43.4 Ų
H-bond donors / acceptors
0 / 3
Rotatable bonds
0

Hazards

Warning
Irritant (GHS07)

Aggregated from 48 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, P501

Identifiers

CAS number
703-59-3
SMILES
O=C1Cc2ccccc2C(=O)O1
InChIKey
AKHSBAVQPIRVAG-UHFFFAOYSA-N
InChI
InChI=1S/C9H6O3/c10-8-5-6-3-1-2-4-7(6)9(11)12-8/h1-4H,5H2

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Names and synonyms

10 names
  • 1H-2-Benzopyran-1,3(4H)-dione
  • o-Toluic acid, α-carboxy-, cyclic anhydride
  • 1,3-Isochromandione
  • Benzeneacetic acid, 2-carboxy-, cyclic anhydride
  • Homophthalic acid anhydride
  • NSC 2825
  • NSC 401693
  • 1H-Isochromene-1,3(4H)-dione
  • Homophtalic anhydride
  • 3,4-Dihydro-1H-2-benzopyran-1,3-dione

Work with Homophthalic anhydride

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds

Same formula

Elsewhere