3,4-Diaminophenetole dihydrogen sulfate; 2-Nitro-5-[(2,3-dihydroxy) propoxy]-N- methyl aniline; 2-Nitro-5-(2-hydroxy ethoxy)-N-methyl aniline; 4-(2-Hydroethoxy)-1,3-phenylene diamine dihydro chloride; 3-Methoxy-4-[(2-hydroxy ethyl) amino] nitro- benzene; 4-[(2-Hydroxy ethyl) amino]-3-nitro phenol; and (R)-α-Amino-4-hydroxy benzene acetic acid (d(-)-p-Hydroxy phenyl glycine)
Oxygen-function amino-compounds: > Amino-alcohol-phenols, amino-acid-phenols and other amino-compounds with oxygen function: > Aromatic: > 3,4-Diaminophenetole dihydrogen sulfate; 2-Nitro-5-[(2,3-dihydroxy) propoxy]-N- methyl aniline; 2-Nitro-5-(2-hydroxy ethoxy)-N-methyl aniline; 4-(2-Hydroethoxy)-1,3-phenylene diamine dihydro chloride; 3-Methoxy-4-[(2-hydroxy ethyl) amino] nitro- benzene; 4-[(2-Hydroxy ethyl) amino]-3-nitro phenol; and (R)-α-Amino-4-hydroxy benzene acetic acid (d(-)-p-Hydroxy phenyl glycine)
Duty Rate (from China)
Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Products classified under HTS 2922.50.07.00
3,4-Diaminophenetole Dihydrogen Sulfate
3,4-Diaminophenetole dihydrogen sulfate is a chemically defined aromatic amino-alcohol-phenol compound with oxygen function, explicitly listed under HTS 2922.50.0700. It is primarily used as an intermediate in the synthesis of oxidative hair dyes for permanent coloring applications.
2-Nitro-5-[(2,3-Dihydroxy)propoxy]-N-methyl Aniline
This nitro-substituted aromatic aniline derivative with dihydroxypropoxy oxygen function is explicitly named in HTS 2922.50.0700 as an oxygen-function amino-compound. Commonly employed as a dye coupler in oxidative permanent hair color formulations.
2-Nitro-5-(2-Hydroxyethoxy)-N-methyl Aniline
An aromatic amino compound featuring nitro and hydroxyethoxy oxygen functions, specifically enumerated under HTS 2922.50.0700. Serves as an oxidation base or coupler in professional permanent hair coloring systems.
4-(2-Hydroethoxy)-1,3-Phenylene Diamine Dihydrochloride
Dihydrochloride salt of a diaminobenzene derivative with hydroxyethoxy function, explicitly covered by HTS 2922.50.0700 as aromatic oxygen-function amino-compound. Key developer in low-ammonia permanent hair dyes.
3-Methoxy-4-[(2-Hydroxyethyl)amino] Nitrobenzene
Nitrobenzene derivative with methoxy and hydroxyethylamino functions, listed under HTS 2922.50.0700 for aromatic amino compounds with oxygen function. Utilized as a direct dye or coupler in semi-permanent hair colorants.
4-[(2-Hydroxyethyl)amino]-3-Nitrophenol
Nitrophenol compound with hydroxyethylamino substituent, specifically named in HTS 2922.50.0700 as amino-acid-phenol type oxygen-function compound. Employed in oxidative hair dye systems for red-brown shades.
(R)-α-Amino-4-Hydroxybenzene Acetic Acid (D-(-)-p-Hydroxyphenyl Glycine)
Chiral aromatic amino acid featuring hydroxy and carboxylic acid oxygen functions, explicitly listed under HTS 2922.50.0700. Pharmaceutical intermediate for synthesis of antibiotics like amoxicillin.
p-Hydroxyphenyl Glycine Methyl Ester Hydrochloride
Hydrochloride salt of the methyl ester derived from listed (R)-α-Amino-4-hydroxybenzene acetic acid, classifiable under HTS 2922.50.0700 per ester/salt rules in chapter note 3(A)(B). Used in peptide synthesis and pharmaceutical production.
N-Acetyl-4-(2-Hydroxyethylamino)-3-Nitrophenol
Acetylated derivative of the listed 4-[(2-Hydroxyethyl)amino]-3-nitrophenol, maintaining oxygen-function amino character for HTS 2922.50.0700 classification. Intermediate for modified hair dye couplers with improved stability.