Chem
J-GLOBAL ID:200907011412264080   Nikkaji number:J4.919K

Phthalic acid anhydride

フタル酸無水物
Substance type:
Substance type
Substance type classified into 3 categories.
Decided structure: Substances with a clear structure
Undicided Structure: Substances with unknown or undetermined structure
Mixtures: Mixtures, racemic compounds, or compounds with relative structural arrangements
Decided structure
Molecular formula: C8H4O3
Molecular formula furigana: C8-H4-O3
Molecular weight: 148.117
InChI: InChI=1S/C8H4O3/c9-7-5-3-1-2-4-6(5)8(10)11-7/h1-4H
InChI key: LGRFSURHDFAFJT-UHFFFAOYSA-N
SMILES: O=C1OC(=O)c2ccccc12
Systematic name  (7):
  • 1,2-ベンゼンジカルボン酸無水物
  • イソベンゾフラン-1,3-ジオン
  • 1,3-イソベンゾフランジオン
  • フタル酸無水物
  • 1,3-ジヒドロイソベンゾフラン-1,3-ジオン
Show all
Other name (20):
  • 無水フタル酸
  • Phthalic anhydride
  • レタルデルAK
  • フタランジオン
  • Retarder AK
Show all
CAS registry number: 85-44-9
Regulation number (5):
  • (3)-1344
  • TI3150000
  • EINECS2016075
  • TSCA(85-44-9)
  • UN-2214
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