Butyric Anhydride from Japan
Butyric anhydride, derived from butyric acid, is used in pharmaceutical synthesis and flavor production. As an anhydride of C4 saturated acyclic monocarboxylic acid, it fits HTS 2915.29.50.00.
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
• CAS 106-31-0 verification prevents acetic/formic confusion
• Highly reactive - nitrogen blanketing recommended
• BP 199°C requires heated transport considerations