C8H8O3
152.15 g/mol
Industrial ChemicalDanger
3,4,5,6-Tetrahydrophthalic anhydride
CAS2426-02-0EC219-374-3
Category
Industrial Chemical
Compound Class
Ester
Primary Use
Chemical intermediate for resins
3,4,5,6-Tetrahydrophthalic anhydride is an organic compound used primarily as a chemical intermediate in the production of resins. It features a bicyclic structure containing ester and ether functional groups, contributing to its reactivity in polymerization processes.
Chemical intermediate for resin manufacturing
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Safety Reference
Danger
H317May cause an allergic skin reaction
H318Causes serious eye damage
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H412Harmful to aquatic life with long lasting effects
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for 3,4,5,6-Tetrahydrophthalic anhydride (CAS 2426-02-0) is 2917.20.
HS code (international, 6-digit)
2917.20
EU CN code (8-digit)
2917 20 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
4,5,6,7-tetrahydro-2-benzofuran-1,3-dione
InChIKey
HMMBJOWWRLZEMI-UHFFFAOYSA-N
SMILES
C1CCC2=C(C1)C(=O)OC2=O
Synonyms (10)
- 1, 4,5,6,7-tetrahydro-
- delta-TPA
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