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Oxygenfunction aminocompounds. (Aminohydroxynaphthalenesulphonic acids and their salts)

Items listed under “Oxygenfunction aminocompounds. (Aminohydroxynaphthalenesulphonic acids and their salts)” fall under HS# 292221, but may have different Schedule-B and HTS Tariff/Duty rates and restriction depending on statistical classification.

Choose a Statistical Classification below to view HTS, Schedule-B, tariff/duty, NMFC^© Freight Class and additional parcel or LTL Freight shipping information for HS# 292221 related goods.

Code	Description
2922.21.10.00	1-amino-8-hydroxy-3,6-naphthalene-disulfonic acid; 4-amino-5-hydroxy-1,3-naphthalene-disulfonic acid (chicago acid) etc
2922.21.25.00	1-amino-8-hydroxy-4,6 naphthalenedisulfonic acid, monosodium salts
2922.21.40.00	aminohydroxynaphthlene sulfonic acids and their salts of products in u.s.note 3 to section 6
2922.21.50.00	aminohydroxynaphthalene sulfonic acids and their salts (excluding products of u.s. note 3 to section 6)