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2921.59.80.90/3,3'-Dimethylbenzidine (o-Tolidine)/Mexico

3,3'-Dimethylbenzidine (o-Tolidine) from Mexico

3,3'-Dimethylbenzidine, also known as o-tolidine, serves as an intermediate for azo pigments and analytical reagents. Classified in HTS 2921.59.80.90 as other aromatic polyamine with methyl substitution. The ortho-methyl groups influence coupling reactivity.

Duty Rate — Mexico → United States

16.5%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• CAS 119-93-7 confirmation required on all shipping documents

• Quantity limits may apply due to carcinogen status under TSCA

• Purity specification >98% critical for Chapter 29 compound status

3,3'-Dimethylbenzidine (o-Tolidine) from Mexico — Import Duty Rate | HTS 2921.59.80.90