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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Reference substances

Reference substances

Currently viewing:
IUPAC name:
1,3-dioxo-2-benzofuran-5-carboxylic acid

Inventory

EC number:
209-008-0
EC name:
Benzene-1,2,4-tricarboxylic acid 1,2-anhydride
CAS number:
552-30-7
CAS number:
552-30-7
Synonyms
Names:
Identifier:
ChemSpider ID
CSID:10618
Identifier:
common name
1,2,4-Benzenetricarboxylic acid, cyclic 1,2-anhydride
Identifier:
common name
4-Carboxyphthalic anhydride
Identifier:
common name
Trimellic acid 1,2-anhydride
Identifier:
common name
Trimellitic anhydride
Identifier:
common name
anhydrotrimellitic acid
Identifier:
common name
trimellitic acid anhydride
Identifier:
PubChem
CID=11089

Molecular and structural information

Molecular formula:
C9H4O5
Molecular weight:
192.125
SMILES notation:
C1=CC2=C(C=C1C(=O)O)C(=O)OC2=O
InChl:
InChI=1S/C9H4O5/c10-7(11)4-1-2-5-6(3-4)9(13)14-8(5)12/h1-3H,(H,10,11)
Structural formula:
Chemical structure

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