3,3'-Dichlorobenzidine Dihydrochloride 99% Technical Grade from Japan
Technical grade 3,3'-Dichlorobenzidine dihydrochloride at 99% purity for industrial dye synthesis, specifically enumerated under HTS 2921.59.80.10. Qualifies as separate chemically defined organic compound per Chapter 29 note 1(a).
Duty Rate — Japan → United States
15%
Rate breakdown
9903.04.628.5%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Specify 'technical grade' and exact purity percentage on entry documents to justify 2921.59.80.10 specific classification
• Provide shipping papers indicating stabilizer-free packaging to meet Chapter 29 note 1(f) requirements
• Monitor for CBP requests for structural formula confirmation matching dichlorobenzidine dihydrochloride