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Thionyl Chloride Alternative Sulfur Dichloride from Japan

This high-reactivity sulfur dichloride serves as a thionyl chloride substitute in converting carboxylic acids to acid chlorides, squarely under HTS 2812.16.00.00 for sulfur chloride oxides. It's a staple in fine chemical manufacturing.

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

• Label as corrosive (8) and toxic (6.1); segregate from water-reactive goods during shipping

• Test for moisture content <0.1% to maintain stability and proper classification

• Avoid bulk imports without stabilization—prone to decomposition causing customs holds