Stabilized tert-Butyl Alcohol (98.2% Purity) from Japan
tert-Butyl alcohol at 98.2% purity with added stabilizer to prevent peroxide formation during storage. Remains classified in HTS 2905.14.10.00 per Chapter 29 note (f) allowing stabilizers for preservation without changing classification. Used in pharmaceutical intermediate production.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document stabilizer addition as necessary for transport per Chapter Note (f); list composition on commercial invoice
• FDA compliance required if destined for pharma use; provide DMF or equivalent purity specs
• Avoid over 0.5% stabilizer content which could trigger 'prepared mixture' reclassification