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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If diol function classifies as acyclic alcohol derivative
Chapter notes restrict 2922 oxygen functions; pure diols may go to 2905.
If pre-reacted into azo dye coupler form
Azo dyes and derivatives specifically excluded to Chapter 32.
If containing sugar ether/acetal structures
Sugar derivatives of 2940 take precedence over general amino-compounds.
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Import Tips & Compliance
• Confirm via HPLC that compound matches exact specification; impurities >1% may trigger review
• Use UN-approved packaging for nitro-organic sensitivity; declare PGIII if applicable
• Document end-use as chemical intermediate to prevent cosmetic classification
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,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.
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-(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.