Isobutyryl Chloride from China
Isobutyryl chloride, derived from isobutyric acid, acts as a key intermediate in polymer and pharmaceutical production. HTS 2915.90.50.10 covers it as a branched-chain saturated acyclic monocarboxylic acid chloride. Its classification adheres to chapter rules for halides.
Duty Rate — China → United States
28.8%
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)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Confirm isomer purity to distinguish from straight-chain analogs in statistical reporting
• Register with US Agent for TSCA if foreign manufacturer
• Monitor for fuming characteristics requiring specialized ventilation in transport