3-Hydroxy-3-methyl-2-butanone from Japan
3-Hydroxy-3-methyl-2-butanone is a branched ketone-alcohol with geminal substitution at the hydroxy-bearing carbon. Classified in HTS 2914.40.90.00 as an 'other' ketone-alcohol. Serves as intermediate in terpene synthesis and fragrance chemistry.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• GC-MS purity certificate essential; diastereomer impurities affect classification
• Low boiling point requires UN-approved packaging for air shipment
• Declare intended synthetic pathway to prevent flavor/fragrance duty adjustment