1-Naphthylamine (alpha-naphthylamine), 2-naphthylamine (beta-naphthylamine) and their derivatives; salts thereof
Amine-function compounds. > Acyclic monoamines and their derivatives; salts thereof: > 1-Naphthylamine (alpha-naphthylamine), 2-naphthylamine (beta-naphthylamine) and their derivatives; salts thereof > 1-Naphthylamine (alpha-naphthylamine), 2-naphthylamine (beta-naphthylamine) and their derivatives; salts thereof
Duty Rate (from China)
Products classified under Tariff item 2921.45.00
3-Amino-2,7-naphthalenedisulfonic acid (H-acid)
H-acid, or 3-amino-2,7-naphthalenedisulfonic acid, is a disulfonated naphthylamine derivative critical for reactive dye synthesis. It is a chemically defined aromatic amine derivative and falls under tariff item 2921.45.00 as a derivative of 2-naphthylamine.
4-Amino-1-naphthalenesulfonic acid, sodium salt (Naphthionic acid sodium salt)
Naphthionic acid sodium salt, or 4-amino-1-naphthalenesulfonic acid sodium salt, is a chemically defined aromatic amine derivative used as a diazo component in dye chemistry. It falls under tariff item 2921.45.00 as a salt of a 1-naphthylamine derivative.
5-Amino-2-naphthalenesulfonic acid (Laurent's Acid)
5-Amino-2-naphthalenesulfonic acid, also known as Laurent's acid, is a chemically defined aromatic amine derivative of naphthalene with a sulfonic acid functional group. It is a key diazo component used in the synthesis of reactive and direct dyes, and falls under tariff item 2921.45.00 as a derivative of 1-naphthylamine.
5-Amino-2-naphthalenesulfonic Acid Monopotassium Salt
5-Amino-2-naphthalenesulfonic acid monopotassium salt is the potassium salt form of Laurent's acid, a chemically defined aromatic amine derivative. It is used in dye formulations requiring potassium counterions and is classified under tariff item 2921.45.00 as a salt of a naphthylamine derivative.
7-Amino-1,3,6-naphthalenetrisulfonic acid (R-acid)
R-acid, or 7-amino-1,3,6-naphthalenetrisulfonic acid, is a trisulfonated naphthylamine derivative used in direct dyes. It is a chemically defined aromatic amine derivative and falls under tariff item 2921.45.00 as a derivative of 2-naphthylamine.
7-Amino-1,3-naphthalenedisulfonic Acid Disodium Salt
7-Amino-1,3-naphthalenedisulfonic acid disodium salt is a chemically defined aromatic amine derivative with two sulfonic acid groups, used as a dye intermediate. It falls under tariff item 2921.45.00 as a salt of a naphthylamine derivative, specifically a derivative of 1-naphthylamine.
7-Amino-1,3-naphthalenedisulfonic acid (Sodium Salt)
7-Amino-1,3-naphthalenedisulfonic acid sodium salt is a chemically defined aromatic amine derivative with sulfonic acid groups, used as an intermediate in azo dye synthesis. It is classified under tariff item 2921.45.00 as a salt of a naphthylamine derivative.
8-Amino-1-naphthalenesulfonic Acid (Free Acid Form)
8-Amino-1-naphthalenesulfonic acid in free acid form is a chemically defined aromatic amine derivative with a sulfonic acid group, used in dye processes. It falls under tariff item 2921.45.00 as a derivative of 1-naphthylamine.
8-Amino-1-naphthalenesulfonic acid (Schaeffer's Acid)
Schaeffer's acid, or 8-amino-1-naphthalenesulfonic acid, is a chemically defined aromatic amine derivative used as an intermediate for direct and reactive dyes. It is classified under tariff item 2921.45.00 as a derivative of 1-naphthylamine.
8-Amino-2-naphthalenesulfonic acid (Chicago Acid)
Chicago acid, or 8-amino-2-naphthalenesulfonic acid, is a chemically defined aromatic amine derivative with a sulfonic acid group, used in azo dye manufacturing. It falls under tariff item 2921.45.00 as a derivative of 2-naphthylamine.
8-Anilino-1-naphthalenesulfonic acid (Phenyl Peri acid) and its salts
Phenyl Peri acid, or 8-anilino-1-naphthalenesulfonic acid, is a chemically defined aromatic amine derivative with an anilino substitution and sulfonic acid group. It is used in dye synthesis and falls under tariff item 2921.45.00 as a derivative of 1-naphthylamine.
Laurent's Acid (5-Amino-1-naphthalenesulfonic acid)
Laurent's acid, or 5-amino-1-naphthalenesulfonic acid, is a sulfonated derivative of 1-naphthylamine used as an intermediate in dye synthesis. It is a chemically defined aromatic amine derivative and falls under tariff item 2921.45.00.
N-Ethyl-1-naphthylamine
N-Ethyl-1-naphthylamine is an alkylated derivative of 1-naphthylamine, a chemically defined aromatic monoamine used as an intermediate in pharmaceutical and dye production. It falls under tariff item 2921.45.00 as a derivative of 1-naphthylamine.
N-Phenyl-2-naphthylamine (β-Naphthylphenylamine)
N-Phenyl-2-naphthylamine is an aromatic monoamine derivative used as an antioxidant in rubber production and as a dye intermediate. It is specifically a derivative of 2-naphthylamine and falls under tariff item 2921.45.00.
N-Phenyl-2-naphthylamine Technical Grade (98%)
Technical grade N-Phenyl-2-naphthylamine at 98% purity is a chemically defined aromatic amine derivative used as an oxidation inhibitor in rubber compounding. It falls under tariff item 2921.45.00 as a derivative of 2-naphthylamine, with impurities within Chapter 29 Note 1 allowances.