Customs tariff code 2922210030

6-Amino-4-hydroxynaphthalene-2-sulphonic acid (CAS RN 90-51-7)

Tariff classification hierarchy

  1. 29 ORGANIC CHEMICALS
  2. 2922 Oxygen-function amino-compounds
  3. 292221 Amino-naphthols and other amino-phenols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof
  4. 292221 Aminohydroxynaphthalenesulphonic acids and their salts
  5. 2922210030 6-Amino-4-hydroxynaphthalene-2-sulphonic acid (CAS RN 90-51-7)

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