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Home/Compounds/Industrial Chemical/3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione
C8H8O3
152.15 g/mol
Industrial ChemicalDanger

1,2,3,6-Tetrahydrophthalic anhydride

CAS85-43-8EC201-605-4
Category
Industrial Chemical
Compound Class
Ester
Primary Use
Intermediate for alkyds, polyesters, plasticizers

1,2,3,6-Tetrahydrophthalic anhydride is an organic compound that exists primarily as the cis isomer. It is a white solid soluble in organic solvents, used as an intermediate in the production of alkyds, polyesters, and plasticizers.

Intermediate for alkydsIntermediate for polyestersIntermediate for plasticizers

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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Sodium bis(2,2-methylene-bis(4,6-di-tert-butylphenyl)phosphate)

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plastic additive nucleating agent

Referencestereoisomer of

Cis-tetrahydrophthalic anhydride

CAS935-79-5

Chemical intermediate for resins and polymers

Referencesame scaffold

Methyltetrahydrophthalic anhydride

CAS26590-20-5

Hardener in epoxy resin systems

Safety Reference

Corrosive
Corrosive
Harmful
Harmful
Health Hazard
Health Hazard
Environmental Hazard
Environmental Hazard
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
H302Harmful if swallowed
H315Causes skin irritation
H335May cause respiratory irritation
Identifiers
IUPAC Name

3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione

InChIKey

KMOUUZVZFBCRAM-UHFFFAOYSA-N

SMILES

C1C=CCC2C1C(=O)OC2=O

Synonyms (38)
  • THPA
  • 1, 3a,4,7,7a-tetrahydro-
  • 4-Cyclohexene-1, trans-
  • Rikacid TH
  • Rikacid THPA
  • Tetrahydroftalanhydrid
  • Tetrahydrophthalic anhydrides
  • tetrahydrophthalic anhydride