Acetohydroxamic Acid
Acetohydroxamic acid is a synthetic organic derivative of hydroxylamine used primarily as a pharmaceutical intermediate and urolithiasis treatment agent. It falls under HTS 2928.00.50.00 as an 'other' organic derivative of hydroxylamine, being a chemically defined compound not covered by more specific subheadings. This classification aligns with Chapter 29 notes for separate chemically defined organic compounds.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified primarily by quaternary ammonium function
Quaternary ammonium compounds take precedence under heading 2925 per chapter classification rule prioritizing last numerical order.
If imported as a heterocyclic hormone intermediate
Certain hydroxylamine derivatives with heterocyclic structures used as hormone precursors fall under heading 2933.
If containing sugar ethers or nucleotide components
Sugar-modified hydroxylamine derivatives are classified under heading 2942 per chapter note (c).
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Verify purity levels and provide Certificates of Analysis (CoA) to confirm chemical identity; ensure pharmaceutical-grade documentation if for drug use; avoid misclassification as quaternary ammonium compounds by confirming hydroxylamine structure
Related Products under HTS 2928.00.50.00
Benzohydroxamic Acid
Benzohydroxamic acid serves as a chelating agent and metal extraction reagent in analytical chemistry and industrial processes. Classified under HTS 2928.00.50.00 as an 'other' organic derivative of hydroxylamine, it matches the chapter's scope for chemically defined compounds with hydroxylamine functionality. Its aromatic structure distinguishes it from aliphatic derivatives.
Phenylhydrazine Hydrochloride
Phenylhydrazine hydrochloride is a salt of phenylhydrazine used in organic synthesis, particularly for carbohydrate derivative preparation. It qualifies for HTS 2928.00.50.00 as an organic derivative of hydrazine with added inorganic salt per Chapter 29 note on salt classification following the organic base. The hydrochloride stabilizes the compound for industrial handling.
Girard's Reagent T
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.
Hydroxylamine Sulfate
Hydroxylamine sulfate is the inorganic salt form used as a reducing agent in photography and polymer synthesis. HTS 2928.00.50.00 covers it as a derivative of hydroxylamine per chapter salt classification rules, where the organic hydroxylamine component determines heading. Supplied at 99% purity for industrial applications.
1,1-Diphenyl-2-picrylhydrazyl
1,1-Diphenyl-2-picrylhydrazyl (DPPH) is a stable free radical used as an antioxidant assay standard in research. Falls under HTS 2928.00.50.00 as 'other' hydrazine derivative, being a chemically defined organic compound with hydrazine core despite extensive substitution. Its purple crystalline form is characteristic for spectroscopic applications.
Carbazide
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.