C16H6O6
294.21 g/mol
Industrial ChemicalWarning
3,3',4,4'-Biphenyltetracarboxylic dianhydride
CAS2420-87-3EC219-342-9
Category
Industrial Chemical
Compound Class
Heterocycle
Primary Use
monomer for polyimide synthesis
3,3',4,4'-Biphenyltetracarboxylic dianhydride is a chemical compound that serves as a monomer in the synthesis of polyimide polymers. It features a fused ring system containing anhydride functional groups.
monomer for polyimide 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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Related Compounds
ApplicationSame Use
1,2,4,5-Cyclohexanetetracarboxylic acid dianhydride
CAS2754-41-8
monomer for polyimide synthesis
ApplicationSame Use
2,3,3',4'-Biphenyltetracarboxylic dianhydride
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monomer for polyimide synthesis
ApplicationSame Use
4,4'-(1,3-Phenylenedioxy)dianiline
CAS2479-46-1
monomer for polyimide synthesis
ReferenceSame Category
4,4'-carbonyldiphthalic anhydride
CAS2421-28-5
curing agent for epoxy resins
ReferenceSame Category
Triphenylmethane-4,4',4''-triisocyanate
CAS2422-91-5
polyurethane crosslinking agent
ReferenceSame Category
1,5-dibromo-2,4-dinitrobenzene
CAS24239-82-5
Chemical intermediate for synthesis
ReferenceSame Category
Myristyl chloride
CAS2425-54-9
Chemical intermediate for surfactants and lubricants
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 3,3',4,4'-Biphenyltetracarboxylic dianhydride (CAS 2420-87-3) is 2917.39.
HS code (international, 6-digit)
2917.39
EU CN code (8-digit)
2917 39 85
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
5-(1,3-dioxo-2-benzofuran-5-yl)-2-benzofuran-1,3-dione
InChIKey
WKDNYTOXBCRNPV-UHFFFAOYSA-N
SMILES
C1=CC2=C(C=C1C3=CC4=C(C=C3)C(=O)OC4=O)C(=O)OC2=O
Synonyms (23)
- BPDA
- 4,4'-Biphthalic anhydride
- 4,4'-Biphthalic dianhydride
- J28.182D
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