Isoindole-1,3-dione, also known as phthalimide, is a chemical compound characterized by an aromatic ring fused to a cyclic imide group. It is primarily used as a fungicide and as a chemical intermediate in organic synthesis.
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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Hexahydrophthalic anhydride
curing agent for epoxy resins
3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione
Intermediate for alkyds, polyesters, plasticizers
Phthalic anhydride
Manufacture of artificial resins
4,4'-butylidenebis(2-(1,1-dimethylethyl)-5-methyl-phenol)
Antioxidant for rubber and latex
Potassium phthalimide
Synthetic intermediate
The international HS code for Isoindole-1,3-dione (CAS 85-41-6) is 2925.19.
2925.19
2925 19 95
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
isoindole-1,3-dione
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