</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Acetyl Chloride from Japan

Acetyl chloride is a colorless, fuming liquid used primarily as a reagent in organic synthesis for acetylation reactions. It falls under HTS 2915.90.50.10 as an acid chloride derivative of acetic acid, a saturated acyclic monocarboxylic acid. The classification reflects its reactive chloride functional group.

Duty Rate — Japan → United States

23.7%

Rate breakdown

9903.04.6211.2%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
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

Provide Safety Data Sheets (SDS) and ensure UN-approved packaging for corrosive liquids during import

Verify purity certificates to confirm classification as chemically defined compound under Chapter 29

Avoid misclassification as mixtures; acid chlorides must be separate compounds per chapter notes