Photographic chemicals
Amine-function compounds > Aromatic polyamines and their derivatives; salts thereof: > o-, m-, p-Phenylenediamine, diaminotoluenes, and their derivatives; salts thereof: > Other: > Photographic chemicals
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
Products classified 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.
o-Phenylenediamine Dihydrochloride
o-Phenylenediamine dihydrochloride serves as a photographic chemical intermediate for dye synthesis and film sensitizers. Falls under HTS 2921.51.20.00 as an 'other' derivative designated for photography among phenylenediamine salts. Conforms to Chapter 29 salt classification rules.
Toluenediamine Photographic Grade
Toluenediamine photographic grade consists of high-purity diaminotoluene isomers optimized for photographic chemical manufacturing. Classified under HTS 2921.51.20.00 for its specific designation as a photographic chemical derivative. Meets purity standards of Chapter 29 note (a) for separate compounds.
CD-2 Developing Agent (p-Phenylenediamine Derivative)
CD-2 is a commercial p-phenylenediamine derivative used as a color developer in photographic processing solutions. It qualifies for HTS 2921.51.20.00 as a designated photographic chemical among aromatic polyamine derivatives. Adheres to Chapter 29 requirements for chemically defined photographic compounds.
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.