1,2-Benzisothiazolin-3-one (BIT)
1,2-Benzisothiazolin-3-one is a heterocyclic organic compound featuring a benzisothiazole ring structure, classified under HTS 2934.99.09.00 as an aromatic heterocyclic compound. It is primarily used as a broad-spectrum antimicrobial preservative in industrial applications.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as a formulated disinfectant or biocide product
Formulated biocides containing BIT as active ingredient are classified under Chapter 38 for disinfectants rather than pure chemical compounds.
If supplied as aqueous solution >50% concentration
Solutions of preservatives exceeding certain concentrations fall under chemical preparations of heading 3824.
If containing additional organo-sulfur functional groups
Alternative classification applies if molecular structure includes sulfur atoms linked differently, placing it under organo-sulfur compounds.
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Import Tips & Compliance
• Provide detailed chemical composition certificates confirming purity >98% to avoid reclassification as mixtures under Chapter 38
• Include Safety Data Sheets (SDS) and end-use declarations to comply with EPA biocide import regulations
• Ensure proper Hazard Class 8 labeling for corrosive properties to prevent customs delays
Related Products under HTS 2934.99.09.00
Proxel GXL Preservative (20% BIT in Propylene Glycol)
Proxel GXL contains 20% 1,2-benzisothiazolin-3-one as the active biocide ingredient dissolved in propylene glycol, classified under HTS 2934.99.09.00 when the BIT content qualifies as principal component per Chapter Note 2. This commercial formulation prevents microbial growth in water-based products.
Nipacide BIT-20 Biocide
Nipacide BIT-20 is a 20% dispersion of 1,2-benzisothiazolin-3-one used as an in-can preservative for paints and coatings. Its classification under HTS 2934.99.09.00 reflects the dominance of the aromatic heterocyclic compound per chapter classification rules.
Salgard BIT-20 Industrial Preservative
Salgard BIT-20 contains 1,2-benzisothiazolin-3-one at 20% active concentration for microbial control in metalworking fluids. HTS 2934.99.09.00 classification applies due to the specific identification of this benzisothiazolone compound in the tariff.
Pure 1,2-Benzisothiazolin-3-one Technical Grade (>98%)
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).
Kathoon LX Preservative (BIT-based)
Kathoon LX is a liquid preservative containing 1,2-benzisothiazolin-3-one as primary active ingredient for personal care formulations. Classified under HTS 2934.99.09.00 when imported as the specified chemical compound meeting chapter purity criteria.