Girard's Reagent T from Mexico
Girard's Reagent T (trimethylacetylhydrazide hydrochloride) extracts carbonyl compounds in analytical chemistry. Under HTS 2928.00.50.00 as 'other' hydrazine derivative with stabilizing hydrochloride salt, it fits Chapter 29 criteria for chemically defined organic compounds with transport stabilizers. Primarily used in steroid and aldehyde separations.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
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
• Include trimethylammonium assay for customs verification; store/ship below 25°C to maintain stability; declare as lab reagent to avoid pharmaceutical scrutiny