C19H6F6O6
444.2 g/mol
Pharmaceutical IntermediateDanger
4,4'-(Hexafluoroisopropylidene)diphthalic anhydride
CAS1107-00-2EC214-170-0
Category
Pharmaceutical Intermediate
Compound Class
Aromatic
Primary Use
Pharmaceutical Intermediate
4,4′-(Hexafluoroisopropylidene)diphthalic anhydride (6FDA) is an aromatic organofluorine compound and the dianhydride of 4,4′-(hexafluoroisopropylidene)bisphthalic acid. It is used as a pharmaceutical intermediate in chemical manufacturing.
Pharmaceutical intermediate
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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ReferenceSame Category
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Oligonucleotide synthesis building block
Safety Reference
Danger
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 4,4'-(Hexafluoroisopropylidene)diphthalic anhydride (CAS 1107-00-2) 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-[2-(1,3-dioxo-2-benzofuran-5-yl)-1,1,1,3,3,3-hexafluoropropan-2-yl]-2-benzofuran-1,3-dione
InChIKey
QHHKLPCQTTWFSS-UHFFFAOYSA-N
SMILES
C1=CC2=C(C=C1C(C3=CC4=C(C=C3)C(=O)OC4=O)(C(F)(F)F)C(F)(F)F)C(=O)OC2=O
Synonyms (27)
- 6FDA
- 6FPA
- 6FDA compound
Sourcing 4,4'-(Hexafluoroisopropylidene)diphthalic anhydride?
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