Other
Oxygen-function amino-compounds. > Amino-naphthols and other amino-phenols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof: > Other > Other
Duty Rate (from China)
Products classified under Tariff item 2922.2
1-Amino-8-hydroxy-3,6-naphthalenedisulfonic acid
1-Amino-8-hydroxy-3,6-naphthalenedisulfonic acid is a separate chemically defined organic compound with amino, hydroxy, and sulfonic acid groups on a naphthalene ring. It is a diazo coupling component used in the synthesis of acid dyes, falling under tariff item 2922.21.00 as an aminohydroxynaphthalenesulphonic acid.
2922.21.001-Naphthylamine-4-sulfonic Acid (Naphthionic Acid)
Naphthionic Acid (1-Naphthylamine-4-sulfonic Acid) is an aminohydroxynaphthalenesulfonic acid derivative used in azo dye synthesis and pharmaceutical intermediates. Its structure includes amino and sulfonic acid groups on naphthalene with oxygen-function, placing it under tariff item 2922.21.00. The compound is a separate chemically defined organic compound per Chapter 29 Note 1(a).
2922.21.004-Amino-3-hydroxy-1-naphthalenesulfonic acid
4-Amino-3-hydroxy-1-naphthalenesulfonic acid is a chemically defined aminohydroxynaphthalenesulphonic acid with amino, hydroxy, and sulfonic groups. It is used as a building block for direct and metal complex dyes, and falls under tariff item 2922.21.00.
2922.21.006-Amino-1-naphthol-3-sulfonic acid (J Acid)
6-Amino-1-naphthol-3-sulfonic acid (J Acid) is an aminohydroxynaphthalenesulphonic acid used as an intermediate for direct and reactive dyes. It is a separate chemically defined compound, falling under tariff item 2922.21.00.
2922.21.008-Amino-1-naphthol-5-sulfonic acid (Schaeffer's acid)
8-Amino-1-naphthol-5-sulfonic acid (Schaeffer's acid) is an aminohydroxynaphthalenesulphonic acid used as a dye intermediate for acid wool and reactive dyes. It is a separate chemically defined compound, classified under tariff item 2922.21.00.
2922.21.00Bayer's Acid Salt (1-Naphthylamine-4-sulfonic Acid Sodium Salt)
Bayer's Acid Salt (1-Naphthylamine-4-sulfonic Acid Sodium Salt) is a chemically defined organic compound used as an intermediate in the production of direct and reactive dyes. Its aminohydroxynaphthalenesulfonic acid structure places it under tariff item 2922.21.00, which covers such acids and their salts. The sodium salt form is included as a salt of the acid.
2922.21.00CAS 117-94-2 1-Amino-8-Naphthol-4,6-Disulfonic Acid Monosodium Salt
CAS 117-94-2 is the monosodium salt of 1-amino-8-hydroxy-4,6-naphthalenedisulfonic acid, a separate chemically defined compound. It is an aminohydroxynaphthalenesulphonic acid salt, classified under tariff item 2922.21.00.
2922.21.00Chicago Acid (4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid)
Chicago Acid (4-amino-5-hydroxy-1,3-naphthalenedisulfonic acid) is a separate chemically defined compound with amino, hydroxy, and two sulfonic acid groups. It is an intermediate for reactive dyes and azo pigments, classified under tariff item 2922.21.00.
2922.21.00Chicago Acid Sodium Salt
Chicago Acid Sodium Salt is the sodium salt of 4-amino-5-hydroxy-1,3-naphthalenedisulfonic acid. As a salt of an aminohydroxynaphthalenesulphonic acid, it is classified under tariff item 2922.21.00, consistent with chapter note 5(C)(1) which classifies inorganic salts with the organic compound.
2922.21.00Dye Coupler H Salt Monosodium 1-Amino-8-OH-4,6-NDS
Dye Coupler H Salt Monosodium is the monosodium salt of 1-amino-8-hydroxy-4,6-naphthalenedisulfonic acid. It is a separate chemically defined aminohydroxynaphthalenesulphonic acid salt, falling under tariff item 2922.21.00.
2922.21.00Gamma Acid (2-Amino-8-naphthol-6-sulfonic Acid)
Gamma Acid (2-Amino-8-naphthol-6-sulfonic Acid) is a dye coupler with amino, naphthol, and sulfonic acid groups, used in acid and direct dyes. As a pure organic compound with oxygen-function amino groups, it aligns with Chapter 29 scope and falls under tariff item 2922.21.00. It is a separate chemically defined organic compound per Chapter 29 Note 1(a).
2922.21.00Gamma Acid (6-Amino-1-naphthol-3-sulfonic acid salt)
Gamma Acid (6-amino-1-naphthol-3-sulfonic acid) and its salts are aminohydroxynaphthalenesulphonic acids used in the naphthol AS dye series. They are separate chemically defined compounds or salts, falling under tariff item 2922.21.00.
2922.21.00H Acid Free Acid (4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid)
H Acid Free Acid (4-amino-5-hydroxy-2,7-naphthalenedisulfonic acid) is a separate chemically defined aminohydroxynaphthalenesulphonic acid. It is used in dye coupling reactions and is classified under tariff item 2922.21.00.
2922.21.00H Acid Monopotassium Salt
H Acid Monopotassium Salt is the monopotassium salt of 4-amino-5-hydroxy-2,7-naphthalenedisulfonic acid. As a salt of an aminohydroxynaphthalenesulphonic acid, it falls under tariff item 2922.21.00, with classification following the organic compound per chapter note 5(C)(1).
2922.21.00H-Acid Monosodium Salt (1-Amino-8-Hydroxy-4,6-NDS)
H-Acid Monosodium Salt (1-amino-8-hydroxy-4,6-NDS) is a key dye coupler intermediate. It is the monosodium salt of an aminohydroxynaphthalenesulphonic acid, classified under tariff item 2922.21.00.
2922.21.00H Acid Monosodium Salt (4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid, monosodium salt)
H Acid Monosodium Salt (4-amino-5-hydroxy-2,7-naphthalenedisulfonic acid, monosodium salt) is a key dye intermediate. It is a salt of an aminohydroxynaphthalenesulphonic acid, classified under tariff item 2922.21.00.
2922.21.00J Acid (2-Naphthylamine-7-sulfonic Acid)
J Acid (2-Naphthylamine-7-sulfonic Acid) is an aminonaphtholsulfonic acid serving as an intermediate for azo dyes and pigments. It contains the requisite amino, hydroxy (via naphthol), and sulfonic functions on naphthalene, placing it under tariff item 2922.21.00. The compound is a separate chemically defined organic compound per Chapter 29 Note 1(a).
2922.21.00K Acid (1-Naphthylamine-8-sulfonic Acid)
K Acid (1-Naphthylamine-8-sulfonic Acid) acts as a dye intermediate with amino and sulfonic groups on a naphthalene structure. It meets the definition of an oxygen-function amino-compound under Chapter 29 notes, placing it under tariff item 2922.21.00. The compound is a separate chemically defined organic compound per Chapter 29 Note 1(a).
2922.21.00K-acid (4-Amino-5-hydroxynaphthalene-2,7-disulfonic Acid)
K-acid (4-Amino-5-hydroxynaphthalene-2,7-disulfonic Acid) is a chemically defined organic compound with multiple sulfonic groups, enhancing water solubility for use as a coupling component in substantive dyes. Its structure as an aminohydroxynaphthalenesulphonic acid places it under tariff item 2922.21.00. The compound is a separate chemically defined organic compound per Chapter 29 Note 1(a).
2922.21.00Laurent's Acid (2-Naphthylamine-3,6-disulfonic Acid)
Laurent's Acid (2-Naphthylamine-3,6-disulfonic Acid) is a di-sulfonic derivative of 2-naphthylamine, used as a dye coupler in textile coloration. Despite having two sulfonic groups, it is classified under tariff item 2922.21.00 as an aminohydroxynaphthalenesulphonic acid. It is a separate chemically defined organic compound per Chapter 29 Note 1(a).
2922.21.00M Acid (1-Naphthylamine-5-sulfonic Acid)
M Acid (1-Naphthylamine-5-sulfonic Acid) provides amino-hydroxy-sulfonic functionality for the naphthol AS dye series. It is a chemically defined compound per Chapter 29 Note 1(a), with oxygen-function amino characteristics, placing it under tariff item 2922.21.00. The compound is a separate chemically defined organic compound.
2922.21.00Monosodium 1-Amino-8-hydroxy-4,6-naphthalenedisulfonate
Monosodium 1-amino-8-hydroxy-4,6-naphthalenedisulfonate is the monosodium salt of an aminohydroxynaphthalenesulphonic acid. It is a separate chemically defined compound, falling under tariff item 2922.21.00.
2922.21.00Neville-Winter Acid (1-Naphthylamine-5-sulfonic Acid)
Neville-Winter Acid (1-Naphthylamine-5-sulfonic Acid) is an aminohydroxynaphthalenesulfonic acid used in acid dye manufacturing. Its structure with amino and sulfonic groups on naphthalene places it under tariff item 2922.21.00. The compound is a separate chemically defined organic compound per Chapter 29 Note 1(a).
2922.21.00Schaeffer's Acid (2-Naphthylamine-6-sulfonic acid)
Schaeffer's Acid (2-Naphthylamine-6-sulfonic acid) is an aminohydroxynaphthalenesulfonic acid used primarily as an intermediate in the production of azo dyes and pharmaceuticals. It features an amino group, hydroxyl group, and sulfonic acid group attached to naphthalene, placing it under tariff item 2922.21.00. The compound is a separate chemically defined organic compound per Chapter 29 Note 1(a).
2922.21.00Schaeffer's Salt (2-Naphthylamine-6-sulfonic Acid)
Schaeffer's Salt (2-Naphthylamine-6-sulfonic Acid) is a sodium salt of 2-naphthylamine-6-sulfonic acid, used as an intermediate in azo dye synthesis. Its aminohydroxynaphthalenesulfonic acid structure places it under tariff item 2922.21.00. The salt form is included as a salt of the acid.
2922.21.00Sodium Salt of 1-Amino-8-naphthol-3,6-disulfonic Acid (H Acid)
H Acid Sodium Salt (Sodium Salt of 1-Amino-8-naphthol-3,6-disulfonic Acid) is a critical coupling component for reactive dyes, featuring amino-hydroxy-disulfonic functions on naphthalene. It meets Chapter 29 criteria for chemically defined amino-oxygen compounds and their salts, placing it under tariff item 2922.21.00. The sodium salt form is included as a salt of the acid.
2922.21.00Technical Grade 1-Amino-8-Hydroxy-4,6-Naphthalenedisulfonic Acid Na Salt
Technical grade 1-amino-8-hydroxy-4,6-naphthalenedisulfonic acid sodium salt is the monosodium salt of an aminohydroxynaphthalenesulphonic acid. It is a separate chemically defined compound with allowed stabilizers, classified under tariff item 2922.21.00.
2922.21.00Tobias Acid (2-Naphthylamine-8-sulfonic Acid)
Tobias Acid (2-Naphthylamine-8-sulfonic Acid) is the sodium salt of 2-naphthylamine-8-sulfonic acid, used as a diazo component in manufacturing acid dyes and pigments. Its aminohydroxynaphthalenesulfonic acid structure places it under tariff item 2922.21.00. The compound is a separate chemically defined organic compound per Chapter 29 Note 1(a).
2922.21.00Tobias Acid (2-Naphthylamine-8-sulfonic acid)
Tobias Acid (2-Naphthylamine-8-sulfonic acid) serves as a key dye intermediate with amino, hydroxy, and sulfonic functionalities on naphthalene, used in acid dyes and optical brighteners. It qualifies as a separate chemically defined organic compound under Chapter 29 Note 1(a), placing it under tariff item 2922.21.00. The compound is a separate chemically defined organic compound.
2922.29.002,2-Bis[4-(4-aminophenoxy)phenyl]propane (CAS 13080-86-9)
2,2-Bis[4-(4-aminophenoxy)phenyl]propane (CAS 13080-86-9), also known as Bis-APAF, features two aminophenol ether units linked by a propane bridge. It is classified as a specified amino-phenol ether. It serves as a monomer for high-performance polymers.
2922.29.002,2-Bis[4-(4-aminophenoxy)phenyl]propane Crystals
2,2-Bis[4-(4-aminophenoxy)phenyl]propane Crystals are the crystalline form of the compound. The crystalline form does not change the classification. It is used in thermoset polyimides for circuit boards.
2922.29.002-(3-Amino-4-hydroxyphenylsulfonyl)ethanol
2-(3-Amino-4-hydroxyphenylsulfonyl)ethanol is a complex amino-phenol with a sulfonyl ethanol side chain. The phenolic amino structure dominates classification, and it is used in specialty dye synthesis as an oxygen-function amino-compound.
2922.29.002-Amino-4-chlorophenol Hydrochloride
2-Amino-4-chlorophenol Hydrochloride is the hydrochloride salt of 2-amino-4-chlorophenol. The salt form maintains classification with the parent amino-phenol per Chapter 29 note 5(C)(1), and it is used as a chemical intermediate.
2922.29.002-Amino-4-nitrophenol
2-Amino-4-nitrophenol is a specific amino-phenol compound with both amino and hydroxyl oxygen functions. It is primarily used as an intermediate in the synthesis of dyes and pharmaceuticals. This product falls under tariff item 2922.29.00 as an 'Other' amino-naphthol or amino-phenol compound.
2922.29.002-Amino-4-nitrophenol Sodium Salt
2-Amino-4-nitrophenol Sodium Salt is the sodium salt form of 2-amino-4-nitrophenol. Salts of amino-phenols classify with the parent compound per Chapter 29 Note 5(C)(1). It is used in water-soluble dye intermediates and analytical reagents.
2922.29.002-Amino-5-nitrophenol
2-Amino-5-nitrophenol has a nitro group meta to the amino group and ortho to the phenol group. It is used in permanent hair colorants and as a pharmaceutical intermediate. The amino-phenol classification prevails over other possible headings.
2922.29.002-Amino-6-chloro-4-nitrophenol
2-Amino-6-chloro-4-nitrophenol is a tri-substituted amino-phenol containing chloro and nitro groups alongside amino and phenolic functions. It is primarily an intermediate for azo dyes and pesticides. The compound is classified here despite the additional halogen and nitro substituents.
2922.29.002-Amino-p-cresol
2-Amino-p-cresol is a methylated amino-phenol used primarily in oxidative hair dyes. Its structure features an amino group ortho to the phenolic OH with a para-methyl group. The methyl substitution does not alter its classification as an amino-phenol.
2922.29.002-Methoxy-5-nitroaniline
2-Methoxy-5-nitroaniline, also known as m-nitro-p-anisidine, is essential for azo pigment manufacturing and UV stabilizer synthesis. It is an oxygen-function amino-compound with amino, nitro and methoxy groups, meeting Chapter 29 requirements.
2922.29.004-Amino-o-cresol
4-Amino-o-cresol (2-methyl-4-aminophenol) is an amino-phenol derivative used in hair dye formulations and photographic chemicals. The methyl substitution does not alter its classification as an amino-phenol. It is classified under this tariff item as an 'Other' amino-phenol.
2922.29.004-Methoxy-2-nitroaniline
4-Methoxy-2-nitroaniline, synonymous with m-nitro-o-anisidine, is an amino-phenol ether with a single oxygen function. Used in synthesis of disperse dyes and pharmaceutical intermediates, it qualifies as an oxygen-function amino-compound under Chapter 29.
2922.29.004-Methoxy-m-phenylenediamine
4-Methoxy-m-phenylenediamine is a methoxy-substituted phenylenediamine that functions as an oxygen-function amino-compound. It is used in polymer synthesis and as a dye developer. The methoxy group provides the oxygen function required for classification under this heading.
2922.29.005-Nitro-2-methoxyaniline Flake Form
5-Nitro-2-methoxyaniline in flake form with added stabilizer for transport is classified as an oxygen-function amino-compound. The physical form does not affect chemical classification, and it is used in pigment manufacturing.
2922.29.006-(Methylamino)-1-naphthol-3-sulfonic Acid
6-(Methylamino)-1-naphthol-3-sulfonic Acid is an amino-naphthol sulfonic acid derivative. It features a naphthol structure with a methylamino substituent and a sulfonic acid group. It is a key intermediate for reactive dyes and pharmaceuticals.
2922.29.007-(Methylamino)-1-naphthol-3-sulfonic Acid
7-(Methylamino)-1-naphthol-3-sulfonic Acid is a naphthol isomer with a methylamino group and a sulfonic acid group. It is essential for azoic dye coupling components. The amino-naphthol structure classifies it under this tariff item.
2922.29.00Aniline Blue Fast Base
Aniline Blue Fast Base is a fast colour base derived from m-nitro-o-anisidine, used to produce brilliant blue dyes. It is an oxygen-function amino-compound with amino, nitro and methoxy groups, meeting Chapter 29 criteria for separate chemically defined organic compounds.
2922.29.00Fast Blue Base R Salt
Fast Blue Base R Salt is a diazotizable salt of m-nitro-o-anisidine used in cold dyeing processes for stable blue hues in printing inks and textiles. As a salt of an oxygen-function amino-compound, it is classified under this tariff item per Chapter 29 note 5(C)(1).
2922.29.00Fast Garnet GBC Base
Fast Garnet GBC Base is a fast colour base based on m-nitro-p-anisidine, used in pigment production for coatings and plastics. Its structure ensures high fastness to light and washing, and it qualifies as an oxygen-function amino-compound under Chapter 29.
2922.29.00Fast Red Base B (m-Nitro-p-Anisidine Derivative)
Fast Red Base B is a commercial fast colour base derived from m-nitro-p-anisidine, used in azo dye coupling to produce wash-fast red shades on cotton and wool. It is an oxygen-function amino-compound with amino, nitro and methoxy substituents, meeting Chapter 29 requirements.
2922.29.00Fast Scarlet Base R
Fast Scarlet Base R is a fast colour base from m-nitro-p-anisidine, ideal for scarlet azo dyes with excellent fastness properties. Used primarily in leather and paper dyeing, it qualifies as an oxygen-function amino-compound under Chapter 29.
2922.29.00High Purity p-Anisidine 99.5%
High purity p-Anisidine (99.5%) is a chemically defined organic compound with an amino group and a methoxy ether function on a benzene ring. It qualifies as an amino-phenol ether under this tariff item, used as a precursor in pharmaceutical synthesis.
2922.29.00Homoveratrylamine (3,4-Dimethoxyphenethylamine)
Homoveratrylamine (3,4-Dimethoxyphenethylamine) is an ether derivative of an amino-phenol precursor. It has two methoxy groups providing the oxygen function. It is a pharmaceutical intermediate for dopamine-related compounds.
2922.29.00m-Aminophenol
m-Aminophenol (3-aminophenol) is a meta-substituted amino-phenol with amino and phenolic OH groups. It serves as a key intermediate for dyestuffs, rubber antioxidants, and pharmaceuticals.
2922.29.00Mixed o-/p-Anisidine Isomer Blend
A controlled blend of o- and p-Anisidine isomers, this mixture qualifies under Chapter 29 note 1(b) as a mixture of isomers of the same organic compound. It is used in specialty dye coupling applications.
2922.29.00m-Nitroanisidine Technical Grade 98%
Technical grade m-nitroanisidine at 98% purity remains a separate chemically defined compound per Chapter 29 note 1(a), despite minor impurities. Used in industrial dye coupling processes, it qualifies as an oxygen-function amino-compound.
2922.29.00m-Nitro-o-Anisidine
m-Nitro-o-Anisidine is an amino-phenol ether derivative used as a fast colour base in azo dye manufacturing. Its structure features amino, nitro and methoxy groups, making it an oxygen-function amino-compound under Chapter 29.
2922.29.00m-Nitro-o-anisidine
m-Nitro-o-anisidine (CAS 3430-35-5) is an oxygen-function amino-compound with nitro, amino and methoxy substituents. Primarily used as a dye intermediate, it meets Chapter 29 criteria for separate chemically defined organic compounds.
2922.29.00m-Nitro-p-Anisidine
m-Nitro-p-Anisidine is a chemically defined organic compound with both amino and oxygen functions, used as a fast colour base in dye synthesis. It serves as an intermediate for producing azo dyes and meets Chapter 29 criteria for oxygen-function amino-compounds.
2922.29.00m-Nitro-p-anisidine
m-Nitro-p-anisidine is a chemically defined organic compound featuring an amino group, nitro group and methoxy group on a benzene ring. Classified as an amino-phenol ether with a single oxygen function, it is used in dye synthesis.
2922.29.00o-Anisidine
o-Anisidine (2-methoxyaniline) is a chemically defined organic compound featuring an amino group and an ether oxygen function on a benzene ring. It falls under this tariff item as an amino-phenol ether.