2812.90.00/Thionyl Chloride/Mexico

Thionyl Chloride from Mexico

Thionyl chloride (SOCl2) is a colorless liquid used as a chlorinating agent in organic synthesis for converting carboxylic acids to acid chlorides. It falls under HTS 2812.90.00 as a halide oxide of nonmetals, specifically sulfur oxychloride, distinct from pure halides like phosphoryl chloride in 2812.10. This chemically defined inorganic compound is essential in pharmaceutical and agrochemical manufacturing.

Duty Rate — Mexico → United States

13.7%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

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Import Tips

• Obtain proper hazardous material declarations (DOT/UN 1836) and ensure packaging meets UN standards for corrosive liquids

• Verify chemical purity certificates to confirm classification as chemically defined under Chapter 28 notes

• Avoid misclassification as organo-chlorine compounds; provide lab analysis if composition is questioned by customs