2921.59.80.90/Benzidine Dihydrochloride/Mexico

Benzidine Dihydrochloride from Mexico

Benzidine dihydrochloride is the salt form of the aromatic tetraamine benzidine, used historically in dye manufacturing. It falls under HTS 2921.59.80.90 per Chapter 29 note on organic salts classifying with parent amine. The hydrochloride salt maintains aromatic polyamine identity.

Duty Rate — Mexico → United States

6.5%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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Import Tips

• Benzidine derivatives require EPA TSCA Section 8(d) health/safety data submission

• Declare both free base equivalent and salt form concentrations on commercial invoice

• Special handling permits needed due to IARC Group 1 carcinogen classification

Benzidine Dihydrochloride from Mexico — Import Duty Rate | HTS 2921.59.80.90