Primuline Base from Germany
Primuline base is the primary aromatic amine derivative of benzothiazole used as the key intermediate for primuline direct dyes, explicitly listed under HTS 2934.20.3000. This chemically defined compound contains the unfused benzothiazole ring system required by the heading.
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
• Reference historical dye intermediate status and CAS registry in commercial invoices
• Include synthesis pathway documentation showing benzothiazole ring derivation
• Distinguish from finished primuline dye (3204) by providing purity >95% specs