C8H8O3
152.15 g/mol
Industrial ChemicalDanger
Cis-1,2,3,6-Tetrahydrophthalic anhydride
CAS935-79-5EC213-308-7
Category
Industrial Chemical
Compound Class
Ester
Primary Use
Chemical intermediate for resins and polymers
cis-1,2,3,6-Tetrahydrophthalic anhydride is a chemical intermediate used primarily in the production of resins and polymers. It serves as a key building block in the manufacturing of alkyd and polyester resins.
Chemical intermediate for resin productionBuilding block for polyester and alkyd resins
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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Related Compounds
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fluorinated monomer for polymer synthesis
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Polycyclic aromatic hydrocarbon intermediate
ReferenceSame Category
4-Trifluoromethylbenzyl chloride
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Chemical intermediate for organic synthesis
Referencestereoisomer of
3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione
CAS85-43-8
Intermediate for alkyds, polyesters, plasticizers
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
Customs Tariff Classification
The international HS code for Cis-1,2,3,6-Tetrahydrophthalic anhydride (CAS 935-79-5) 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
(3aR,7aS)-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione
InChIKey
KMOUUZVZFBCRAM-OLQVQODUSA-N
SMILES
C1C=CC[C@H]2[C@@H]1C(=O)OC2=O
Synonyms (22)
- THPA
- tetrahydrophthalsaureanhydrid
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