Safety Reference
Danger
H314Causes severe skin burns and eye damage
H319Causes serious eye irritation
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Firpic
phosphorescent dopant for OLED
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Read moreSourcing Nonafluorobutanesulfonic anhydride?
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Nonafluorobutanesulfonic anhydride is a high-molecular-weight perfluorinated compound used as a photoacid generator in the semiconductor manufacturing industry. Its primary significance lies in enabling photoresist processes for the production of semiconductor devices.
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 Nonafluorobutanesulfonic anhydride (CAS 36913-91-4) is 2904.99.
2904.99
2904 99 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
1,1,2,2,3,3,4,4,4-nonafluorobutylsulfonyl 1,1,2,2,3,3,4,4,4-nonafluorobutane-1-sulfonate
QKIHLPFZYGFMDK-UHFFFAOYSA-N
C(C(C(F)(F)S(=O)(=O)OS(=O)(=O)C(C(C(C(F)(F)F)(F)F)(F)F)(F)F)(F)F)(C(F)(F)F)(F)F