2922.21.10.00/Chicago Acid (4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid)/Japan

Chicago Acid (4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid) from Japan

Chicago Acid is a specific aminohydroxynaphthalenedisulfonic acid used primarily as an intermediate in the synthesis of reactive dyes and azo pigments. It falls under HTS 2922.21.1000 as one of the enumerated oxygen-function amino-naphthol sulfonic acids containing both amino and hydroxy groups with sulfonic acid functions. This chemically defined organic compound is supplied as a powder or solution for industrial dye production.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter

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Import Tips

• Verify chemical purity and provide Certificate of Analysis (CoA) to confirm identity as the specific enumerated compound under this subheading

• Ensure proper hazardous material declaration (UN 3265, Corrosive liquid, acidic, organic, n.o.s.) for transport compliance

• Include end-use statement confirming dye intermediate application to avoid misclassification into Chapter 32 coloring matters