1,2-Benzisothiazolin-3-one (BIT) from China
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.
Duty Rate — China → United States
112.5%
Rate breakdown
9903.04.60100%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• 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