Safety Reference
Danger
H317May cause an allergic skin reaction
Sourcing 1,2,3,6-Tetrahydrophthalic anhydride?
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4,4'-butylidenebis(2-(1,1-dimethylethyl)-5-methyl-phenol)
Antioxidant for rubber and latex
Methyltetrahydrophthalic anhydride
Hardener in epoxy resin systems
Sourcing 1,2,3,6-Tetrahydrophthalic anhydride?
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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.
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.
The international HS code for 1,2,3,6-Tetrahydrophthalic anhydride (CAS 85-43-8) is 2917.20.
2917.20
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.
3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione
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