N1,N4,N4-Tris(2-hydroxyethyl)-2-nitro-1,4-phenylenediamine
An aromatic phenylenediamine derivative featuring three 2-hydroxyethyl groups and a nitro substituent, explicitly listed under this HTS code. Classified here as an other aromatic amino-alcohol with oxygen function, used mainly in oxidative hair coloring systems. Meets chapter 29 requirements for chemically defined organic compounds with single-type oxygen function.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for use as synthetic dye intermediate already formulated into color base
Heading 3204 covers synthetic organic products used as luminophores or dye intermediates in prepared forms.
If ether derivatives dominate over amino-alcohol function
Ether-function compounds take precedence if oxygen ether group is primary per chapter classification notes.
If considered organo-sulfur compound due to processing impurities
Organo-sulfur compounds in 2930 if sulfur directly linked to carbon, but excluded if sulfonated derivatives.
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Import Tips & Compliance
• Provide detailed structural formula and NMR/GC-MS data to match exact CAS-listed compound
• Comply with TSCA pre-manufacture notice if first import; check EPA chemical inventory
• Declare as pure substance, not preparation, to avoid reclassification to 3824 mixtures
Related Products under HTS 2922.19.33.00
N1-(2-Hydroxyethyl)-2-nitro-1,4-phenylenediamine
This is a specific aromatic amino-alcohol compound with a nitro group and hydroxyethyl substitution on a phenylenediamine backbone. It falls under HTS 2922.19.3300 as an oxygen-function amino-compound, specifically one of the enumerated aromatic amino-alcohols other than those with multiple oxygen functions. Primarily used as an intermediate in dye synthesis and permanent hair color formulations.
N1,N4-Dimethyl-N1-(2-hydroxyethyl)-3-nitro-1,4-phenylenediamine
This dimethyl-substituted nitro-phenylenediamine with a hydroxyethyl group on N1 is one of the specifically named compounds in HTS 2922.19.3300. It qualifies as an aromatic amino-alcohol under heading 2922, their ethers/esters/salts, for use in custom hair colorant formulations. The classification follows chapter note prioritizing latest numerical heading for multi-function compounds.
N1,N4-Dimethyl-N1-(2,3-dihydroxypropyl)-3-nitro-1,4-phenylenediamine
A specialized amino-alcohol with dihydroxypropyl substitution, nitro, and dimethyl groups on phenylenediamine core, explicitly covered by this subheading. Falls under 2922 as 'other' aromatic amino-alcohols; note the single type of oxygen function (alcohol) despite multiple groups. Used in high-performance permanent hair coloring agents.
N1-(2-Hydroxyethyl)-3-nitro-1,4-phenylenediamine
The final enumerated compound in this specific HTS subheading, this is a mono-hydroxyethyl nitro-phenylenediamine used as a coupler in permanent hair dyes. Classified precisely under 2922.19.3300 as an aromatic oxygen-function amino-alcohol, chemically defined per chapter note (a). Excludes preparations or coloring matter forms.
HC Red No. 13 (N1-(2-Hydroxyethyl)-2-nitro-1,4-phenylenediamine)
Commercial name HC Red No. 13 corresponds exactly to N1-(2-Hydroxyethyl)-2-nitro-1,4-phenylenediamine listed in HTS 2922.19.3300. This pure dye intermediate is an aromatic amino-alcohol for oxidative hair colorants, classified by chemical definition in Chapter 29. Not for direct retail dye use.
N1-(2-Hydroxyethyl)-3-nitro-p-phenylenediamine Technical Grade
Technical grade pure form of the listed compound for industrial dye synthesis, precisely matching HTS 2922.19.3300 specifications. Aromatic amino-alcohol with nitro substitution, used by cosmetics manufacturers as oxidative coupler. Qualifies under chapter notes for chemically defined compounds with added stabilizers if needed.