About HS Code 292221
Aminohydroxynaphthalenesulphonic acids and their salts are critical intermediates in the production of dyes and pigments, particularly for the textile, paper, and leather industries. These compounds are valued for their ability to impart vibrant and stable colors. Their complex chemical structure allows for a wide range of derivatives, each offering specific color properties. Beyond dyes, they can also find applications in analytical chemistry as reagents. International trade in these substances is driven by the global demand for colored materials, with major importers and exporters being countries with significant textile manufacturing, printing, and chemical synthesis capabilities. Key things to know include the importance of purity for consistent dye performance, the environmental considerations associated with dye manufacturing, and the continuous innovation in developing new derivatives to meet evolving industry needs for colorfastness and eco-friendliness.
Products Under This Code
H-acid, J-acid, Gamma acid, R-acid, Chicago acid, S-acid, Naphthionic acid, 1-Amino-8-hydroxynaphthalene-3,6-disulfonic acid
Real World Examples
BASF (dyes & intermediates), Archroma (textile chemicals), Huntsman (dyes & chemicals)
Common Misclassification
This code might be confused with other sulfonated aromatic compounds (e.g., 2904.99) or other amino-phenols (292229), but 292221 specifically covers the aminohydroxynaphthalenesulphonic acids and their salts.
Industry
This code belongs to the Chemicals industry.
Trade Overview
China, India, Germany, and Switzerland are key players in the import and export of these dye intermediates, reflecting their strong textile and chemical industries.
Frequently Asked Questions
What is HS code 292221?
HS code 292221 covers: Amino-naphthols and other amino-phenols, other than those containing more than one kind of oxygen function; their ethers and esters; salts thereof, aminohydroxynaphthalenesulphonic acids and their salts. Aminohydroxynaphthalenesulphonic acids and their salts are critical intermediates in the production of dyes and pigments, particularly for the textile, paper, and leather industries. These compounds are valued for their ability to impart vibrant and stable colors. Their complex chemical structure allows for a wide range of derivatives, each offering specific color properties. Beyond dyes, they can also find applications in analytical chemistry as reagents. International trade in these substances is driven by the global demand for colored materials, with major importers and exporters being countries with significant textile manufacturing, printing, and chemical synthesis capabilities. Key things to know include the importance of purity for consistent dye performance, the environmental considerations associated with dye manufacturing, and the continuous innovation in developing new derivatives to meet evolving industry needs for colorfastness and eco-friendliness.
What products fall under HS code 292221?
H-acid, J-acid, Gamma acid, R-acid, Chicago acid, S-acid, Naphthionic acid, 1-Amino-8-hydroxynaphthalene-3,6-disulfonic acid
What are common misclassifications for HS code 292221?
This code might be confused with other sulfonated aromatic compounds (e.g., 2904.99) or other amino-phenols (292229), but 292221 specifically covers the aminohydroxynaphthalenesulphonic acids and their salts.
How is HS code 292221 structured?
HS code 292221 is a 6-digit subheading under the Harmonized System. The first 2 digits (29) identify the chapter, digits 3-4 (22) identify the heading, and digits 5-6 (21) specify the subheading. This code is standardized globally by the World Customs Organization.