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2933.29.60.00/Imidazole pH Indicator Base/Mexico

Imidazole pH Indicator Base from Mexico

Imidazole employed as base for custom pH indicators in analytical chemistry, under HTS 2933.29.60.00 for its heterocyclic nitrogen structure. Titrates in acidic-basic transitions.

Duty Rate — Mexico → United States

110%

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
9903.05.5510%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
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Import Tips

• Ensure no added colorants violating chapter note (g); EPIRB declaration for lab use; purity >98% to avoid mixture status

Imidazole pH Indicator Base from Mexico — Import Duty Rate | HTS 2933.29.60.00