Pure 1,2-Benzisothiazolin-3-one Technical Grade (>98%) from Japan
Technical grade 1,2-benzisothiazolin-3-one with purity exceeding 98% serves as the raw material for manufacturing commercial biocide formulations. This chemically defined aromatic heterocyclic compound falls squarely under HTS 2934.99.09.00 per Chapter 29 note (a).
Duty Rate — Japan → United States
15%
Rate breakdown
9903.04.6215%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Provide HPLC analysis certificates confirming >98% purity for tariff classification
• Obtain TSCA pre-manufacture notice approval for new chemical importers
• Use secondary containment packaging per UN corrosive solid requirements