Gentisate Sodium Hemihydrate from Mexico
Sodium gentisate hemihydrate, salt of the named gentisic acid, remains classified under HTS 2918.29.2000 as water of hydration doesn't change chemical definition. Used in injectables and topicals.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6093.5%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
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Karl Fischer titration for 0.5 H2O; CAS 16023-90-0 declaration
• Sterile grade needs additional DMF filing