Safety Reference
Danger
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
H335May cause respiratory irritation
Sourcing 4,4'-(Hexafluoroisopropylidene)diphthalic anhydride?
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Methanesulfonic acid;4,4,5,5,5-pentafluoropentyl carbamimidothioate
pharmaceutical intermediate
Sourcing 4,4'-(Hexafluoroisopropylidene)diphthalic anhydride?
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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.
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 4,4'-(Hexafluoroisopropylidene)diphthalic anhydride (CAS 1107-00-2) is 2917.39.
2917.39
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.
5-[2-(1,3-dioxo-2-benzofuran-5-yl)-1,1,1,3,3,3-hexafluoropropan-2-yl]-2-benzofuran-1,3-dione
QHHKLPCQTTWFSS-UHFFFAOYSA-N
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