Sodium Bisulfate Monohydrate from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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