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Photoinitiator for cationic polymerization
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Read moreSourcing this compound?
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This compound is a sulfonium salt photoacid generator used in photoresist formulations for semiconductor manufacturing. It generates acid upon exposure to light, enabling the chemical amplification process critical for high-resolution lithography.
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 Sulfonium, (thiodi-4,1-phenylene)bis(diphenyl-, bis((OC-6-11)-hexafluoroantimonate(1-)) (CAS 89452-37-9) is 2930.90.
2930.90
2930 90 95
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
[4-(4-diphenylsulfoniophenyl)sulfanylphenyl]-diphenylsulfanium;bis(hexafluoroantimony(1-))
DREXYWKFHDOSNT-UHFFFAOYSA-B
C1=CC=C(C=C1)[S+](C2=CC=CC=C2)C3=CC=C(C=C3)SC4=CC=C(C=C4)[S+](C5=CC=CC=C5)C6=CC=CC=C6.F[Sb-](F)(F)(F)(F)F.F[Sb-](F)(F)(F)(F)F
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