4,7-Dichloroquinoline 98% Technical Grade from China
Technical grade 4,7-dichloroquinoline with 98% purity is used as a synthetic intermediate for agrochemicals and pharmaceuticals, falling under HTS 2933.49.08.00 due to its specific quinoline ring substitution. The chapter notes confirm classification of pure chemically defined heterocyclic compounds.
Duty Rate — China → United States
19%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Label containers with UN number (if applicable) and GHS hazard pictograms for proper hazmat declaration
• Maintain batch certificates showing impurity profiles to prevent reclassification as a mixture
• Register under TSCA if first import to US; failure causes customs holds