Butyric Anhydride from China

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 — China → United States

40.3%

Rate breakdown

9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

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Import Tips

• CAS 106-31-0 verification prevents acetic/formic confusion

• Highly reactive - nitrogen blanketing recommended

• BP 199°C requires heated transport considerations