Amino-alcohol-phenols, amino-acid-phenols and other amino-compounds with oxygen function
Oxygen-function amino-compounds. > Amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof: > Amino-alcohol-phenols, amino-acid-phenols and other amino-compounds with oxygen function
Duty Rate (from China)
Subheadings
Products classified under Tariff item 2922.50.00
2-Nitro-5-[(2,3-Dihydroxy)propoxy]-N-methyl Aniline
2-Nitro-5-[(2,3-Dihydroxy)propoxy]-N-methyl Aniline is a chemically defined aromatic amino compound with multiple oxygen functions (nitro, hydroxy, and ether groups). It falls under this tariff item as an oxygen-function amino-compound, specifically an amino-alcohol-phenol derivative, and is used as a dye coupler in oxidative permanent hair coloring systems.
2-Nitro-5-(2-Hydroxyethoxy)-N-methyl Aniline
2-Nitro-5-(2-Hydroxyethoxy)-N-methyl Aniline is an aromatic amino compound with nitro and hydroxyethoxy oxygen functions, making it an oxygen-function amino-compound. It is used as an oxidation base or coupler in professional permanent hair coloring formulations and is classifiable under this tariff item.
3,4-Diaminophenetole Dihydrogen Sulfate
3,4-Diaminophenetole Dihydrogen Sulfate is a chemically defined aromatic amino-alcohol-phenol compound with oxygen function, specifically an amino-acid-phenol derivative. It is primarily used as an intermediate in the synthesis of dyes and pigments, falling under this tariff item as an oxygen-function amino-compound.
3-Methoxy-4-[(2-Hydroxyethyl)amino] Nitrobenzene
3-Methoxy-4-[(2-Hydroxyethyl)amino] Nitrobenzene is a nitrobenzene derivative with methoxy and hydroxyethylamino oxygen functions, making it an oxygen-function amino-compound. It is utilized as a direct dye or coupler in semi-permanent hair colorants and is classifiable under this tariff item.
4-(2-Hydroethoxy)-1,3-Phenylene Diamine Dihydrochloride
4-(2-Hydroethoxy)-1,3-Phenylene Diamine Dihydrochloride is a dihydrochloride salt of a diaminobenzene derivative with a hydroxyethoxy oxygen function. It is an oxygen-function amino-compound and a key developer in low-ammonia permanent hair dyes, classifiable under this tariff item.
4-[(2-Hydroxyethyl)amino]-3-Nitrophenol
4-[(2-Hydroxyethyl)amino]-3-Nitrophenol is a nitrophenol compound with a hydroxyethylamino substituent, making it an amino-acid-phenol type oxygen-function compound. It is employed in oxidative hair dye systems for red-brown shades and falls under this tariff item.
DL-3-(3,4-Dihydroxyphenyl)alanine (DL-DOPA)
DL-3-(3,4-Dihydroxyphenyl)alanine (DL-DOPA) is a synthetic form of the amino acid precursor to dopamine, featuring hydroxy and carboxylic acid oxygen functions. It is used in pharmaceutical synthesis for treating Parkinson's disease and falls under this tariff item as an oxygen-function amino-compound.
DL-Phenylephrine Base
DL-Phenylephrine Base is the free amine form of the sympathomimetic drug used in nasal decongestants and eye drops. It features phenolic OH, alcohol, and amino groups, making it an aromatic amino-alcohol-phenol and classifiable under this tariff item as an oxygen-function amino-compound.
Dobutamine Base
Dobutamine Base is a synthetic catecholamine (aromatic amino-alcohol-phenol) used in cardiac stress testing. It fits the oxygen-function amino-compound criteria and is classifiable under this tariff item.
Levobunolol Base
Levobunolol Base is an aromatic amino-alcohol-phenol derivative structurally analogous to phenylephrine, used as a beta-blocker intermediate for glaucoma treatment. It is classifiable under this tariff item as an oxygen-function amino-compound.
N-Acetyl-4-(2-Hydroxyethylamino)-3-Nitrophenol
N-Acetyl-4-(2-Hydroxyethylamino)-3-Nitrophenol is an acetylated derivative of 4-[(2-Hydroxyethyl)amino]-3-nitrophenol, maintaining the oxygen-function amino character. It is an intermediate for modified hair dye couplers with improved stability and is classifiable under this tariff item.
N-Ethyl-N-(2-methoxycarbonylethyl)aniline
N-Ethyl-N-(2-methoxycarbonylethyl)aniline is a key dye intermediate containing both amino and ester oxygen functions on an aromatic ring. It is used primarily in manufacturing azo dyes and is classifiable under this tariff item as an oxygen-function amino-compound.
p-Hydroxyphenyl Glycine Methyl Ester Hydrochloride
p-Hydroxyphenyl Glycine Methyl Ester Hydrochloride is the hydrochloride salt of the methyl ester derived from (R)-α-Amino-4-hydroxybenzene acetic acid. It is an oxygen-function amino-compound, classifiable under this tariff item per ester and salt rules in Chapter 29 Note 5, and is used in peptide synthesis and pharmaceutical applications.
(R)-α-Amino-4-Hydroxybenzene Acetic Acid (D-(-)-p-Hydroxyphenyl Glycine)
(R)-α-Amino-4-Hydroxybenzene Acetic Acid (D-(-)-p-Hydroxyphenyl Glycine) is a chiral aromatic amino acid featuring hydroxy and carboxylic acid oxygen functions. It is an oxygen-function amino-compound and a pharmaceutical intermediate for the synthesis of antibiotics like amoxicillin, falling under this tariff item.
Toluidine Carbonate (Carbonic acid methyl ester diester with 2,2'-(m-tolylamino)diethanol)
Toluidine Carbonate (Carbonic acid methyl ester diester with 2,2'-(m-tolylamino)diethanol) is a specific aromatic amino-compound with carbonate ester oxygen functions. It is used as a chemical intermediate in pesticide and polymer synthesis and falls under this tariff item as an oxygen-function amino-compound.