Carbazide from Mexico
Carbazide (1,3-diaminocarbazide) functions as a reagent for aldehyde detection and metal analysis. HTS 2928.00.50.00 includes it as 'other' hydrazine derivative, specifically a semicarbazide analog with defined chemical structure per Chapter 29 scope. Used in colorimetric analytical methods.
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
• Hygroscopic; use sealed moisture-proof containers; include transition metal impurity specs; handle as toxic per GHS classification