N-Ethyl-o-Toluidine
N-Ethyl-o-toluidine (C9H13N) is an N-substituted derivative of o-toluidine, remaining classified as toluidine derivative under HTS 2921.43.90.90. Primarily used in dye manufacturing and as a corrosion inhibitor.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If alkyl substitution removes toluidine character
Other N-substituted aromatic monoamines classified separately from specific toluidines.
If sold as heterocyclic intermediate
Quaternary ammonium compounds or heterocycles exclude from amine-function headings.
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Import Tips & Compliance
• Verify no halogenation/sulfonation that would shift to earlier derivative headings per Chapter Notes
• Include end-use declaration to prevent reclassification as pesticide intermediate under Chapter 38
• Ship in stabilized drums; declare exact substitution to match 'derivatives; salts thereof'
Related Products under HTS 2921.43.90.90
p-Toluidine
p-Toluidine is an aromatic monoamine derivative with the chemical formula C7H9N, specifically 4-methylaniline, classified under HTS 2921.43.90.90 as a toluidine derivative. It is a key intermediate used in the production of dyes, pigments, and pharmaceuticals.
o-Toluidine Hydrochloride Salt
o-Toluidine hydrochloride is the salt form of 2-methylaniline (C7H9N·HCl), classified as a toluidine derivative salt under HTS 2921.43.90.90 per Chapter Note 1(C)(1). Used in synthesis of rubber antioxidants and azo dyes.
4-Amino-2-methylbenzoic Acid
This toluidine derivative features both amine-function and carboxylic acid group on a toluene base, classified under HTS 2921.43.90.90 as 'other' toluidines. Used as intermediate for pharmaceuticals and agrochemicals.
2,5-Xylidine (2,5-Dimethylaniline)
2,5-Xylidine is a dimethyl-substituted toluidine analog (C8H11N), classified as 'other' toluidine derivative under HTS 2921.43.90.90. Essential for producing direct dyes and UV stabilizers.
Toluidine Blue O
Toluidine Blue O (C15H16ClN3S) is a thiazine dye derived from toluidine, but as a chemically defined compound primarily used as biological stain, classified under HTS 2921.43.90.90. Not excluded as retail coloring matter.
N,N-Dimethyl-p-Toluidine
N,N-Dimethyl-p-toluidine (C9H13N) is a tertiary amine derivative of p-toluidine, classified under HTS 2921.43.90.90 as other toluidine derivative. Widely used as catalyst in polymerization and dental materials.