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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported pre-dispersed as synthetic coloring matter for retail hair dye
Processed forms ready for use as dyes fall under Chapter 32 synthetic organic coloring matter rather than pure chemical compounds.
If imported as a mixture or solution with solvents/stabilizers for safety/transport
Chapter 29 excludes mixtures; chemical preparations with additives go to heading 3824 per exclusions.
If o-phenylenediamine structure dominates without hydroxyethyl substitution
Base o-phenylenediamine derivatives without oxygen alcohol function classify under 2921 for amino-function compounds.
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Import Tips & Compliance
• Verify chemical purity and provide Certificate of Analysis (CoA) to confirm identity as the exact enumerated compound
• Include Safety Data Sheet (SDS) and ensure proper hazardous material labeling for nitro compound transport
• Avoid misclassification by confirming aromatic structure and single hydroxyethyl oxygen function per chapter notes
Related Products under HTS 2922.19.33.00
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,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.