2921.45.20.00

HS code 2921.45.20.00 (Chapter 29 "Organic chemicals"; Heading 2921 "Amine-function compounds"; Subheading 292145 "- - 1-Naphthylamine (alpha-naphthylamine), 2-naphthylamine (beta-naphthylamine) and their derivatives; salts thereof") under the United States tariff schedule classifies "3-Amino-2,7-naphthalenedisulfonic acid; 4-Amino-1-naphthalenesulfonic acid, sodium salt; 5-Amino-1-naphthalenesulfonic acid (Laurent's acid); 8-Amino-2-naphthalenesulfonic acid and its salts; 7-Amino-1,3,6-naphthalenetrisulfonic acid; 8-Anilino-1-naphthalenesulfonic acid (Phenyl Peri acid) and its salts; andN-Ethyl-1-naphthylamine". United States customs apply MFN rate of 5.8%, Column 2 rate 15.4¢/kg + 39.5%. Statutory unit of measure: kg. 18 free trade agreement preferential rates are available for this code.