Chapters › 2922 › 2922.21

HTS 2922.21

Aminohydroxynaphthalenesulfonic acids and their salts

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

As of Revision 22 (2026), effective Oct 30, 2026Source: USITC HTS ↗
Ask AI about this productChatGPTClaudePerplexityGoogle AIGrok

Chapter 99 measures listing products under 2922.21

Lines under 2922.21

HTSDescriptionGeneralColumn 2
2922.21.10.001-Amino-8-hydroxy-3,6-naphthalenedisulfonic acid; 4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid (Chicago acid)…5.8%15.4¢/kg + 39%
2922.21.25.001-Amino-8-hydroxy-4,6-naphthalenedisulfonic acid, monosodium saltFree15.4¢/kg + 50%
2922.21.40.00Products described in additional U.S. note 3 to section VI6.5%15.4¢/kg + 50%
2922.21.50.00Other6.5%15.4¢/kg + 50%