Sodium Bisulfate Monohydrate from Japan
Sodium bisulfate monohydrate (NaHSO4·H2O), also called niter cake, is an acid salt used for pH adjustment in pools, cleaning agents, and food processing. As a sodium sulfate derivative, it classifies under HTS 2833.19.00.00 for other sodium sulfates.
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
• Obtain FDA prior notice if for food contact uses
• Include assay certificates showing bisulfate content >90%
• Avoid bulk packaging issues by using UN-approved containers for corrosive nature