tert-Butanol (2-Methyl-2-Propanol) from Japan
tert-Butanol is a tertiary saturated monohydric butanol classified under HTS 2905.14.5050 as an acyclic alcohol with a branched four-carbon structure. Widely used as a gasoline additive and chemical intermediate in pharmaceutical production.
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
• Include GC-MS purity certificates showing minimum 99.5% tert-butanol content to prevent reclassification
• Declare exact water content (<0.3%) as aqueous solutions may require different headings per chapter notes
• Use stainless steel containers only; avoid plastic drums that could cause contamination issues during customs inspection