4-Amino-N-ethylaniline Sulfate
4-Amino-N-ethylaniline sulfate functions as a photographic dye-forming developer in color negative processing. Classified under HTS 2921.51.20.00 as a p-phenylenediamine derivative for photographic chemistry. Complies with Chapter 29 salt and aromatic amine provisions.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If other specifically enumerated derivatives
More precise subheadings precede the general 'other' photographic category.
If reactive dye classification for textile applications
Chapter 32 exclusion for synthetic coloring matter takes precedence.
If sulfonated derivatives with sulfur-carbon bonds
Organo-sulfur compounds classify under heading 2930 per chapter notes.
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Import Tips & Compliance
• Provide NMR spectra confirming structure; note potential for coordination compound classification if metal-complexed; ensure emetic additives only for safety per note (g)
Related Products under HTS 2921.51.20.00
4-Nitro-o-phenylenediamine
4-Nitro-o-phenylenediamine is a derivative of o-phenylenediamine used as an intermediate in the production of photographic developers and dyes. It falls under HTS 2921.51.20.00 as a photographic chemical within the category of aromatic polyamine derivatives specifically designated for photography. This compound's amine functions and aromatic structure align with chapter 29 provisions for chemically defined organic compounds.
N,N-Diethyl-p-phenylenediamine Sulfate
N,N-Diethyl-p-phenylenediamine sulfate is a p-phenylenediamine derivative serving as a color developing agent in color photographic processing. Classified under HTS 2921.51.20.00 for its role as a photographic chemical and aromatic polyamine salt. Meets Chapter 29 requirements for amine-function derivatives used in specialized chemical applications.
p-Aminodimethylaniline Hydrochloride
p-Aminodimethylaniline hydrochloride, a derivative of p-phenylenediamine, functions as a photographic developing agent in black-and-white film processing. It qualifies under HTS 2921.51.20.00 as a designated photographic chemical consisting of aromatic polyamine salts. The compound adheres to Chapter 29 definitions for separate chemically defined amine-function products.
2,4-Diaminotoluene Sulfate
2,4-Diaminotoluene sulfate serves as an intermediate and stabilizer in photographic chemical formulations, particularly for dye developers. Falls under HTS 2921.51.20.00 as a diaminotoluene derivative designated for photographic applications. Complies with Chapter 29 provisions for salts of aromatic polyamines.
N-(2-Aminoethyl)-p-phenylenediamine
N-(2-Aminoethyl)-p-phenylenediamine is a substituted p-phenylenediamine derivative used in color photographic coupler synthesis. Classified in HTS 2921.51.20.00 for its designation as a photographic chemical within aromatic polyamine derivatives. Aligns with Chapter 29 note on amine-function compounds.
p-Phenylenediamine Dihydrochloride
p-Phenylenediamine dihydrochloride acts as a primary developing agent in photographic film processing and is a key aromatic polyamine salt. It merits HTS 2921.51.20.00 classification as a designated photographic chemical. Satisfies Chapter 29 criteria for salts of amine-function compounds.