3,3'-Dimethylbenzidine (o-Tolidine) from Germany
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 — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
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