H Acid 98% Technical Grade Powder from Japan
Technical grade 1,8-Dihydroxynaphthalene-3,6-disulfonic acid at 98% purity with minimal impurities, packaged for industrial dye production. Classified under HTS 2908.99.0900 as the specific sulfonated derivative meeting chapter purity requirements.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Batch certificates must specify assay >95% to qualify as 'chemically defined' per Chapter 29 note (a)
• Dust hazard precautions required; import under proper NA1993 or UN3077 if stabilizer-added
• Avoid bulk packaging over 25kg drums without anti-caking agent certification