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Thionyl Chloride from Canada

Thionyl chloride (SOCl2) is a colorless liquid used as a chlorinating and dehydrating agent in organic synthesis. It falls under HTS 2812.90.00.90 as a halide oxide of nonmetals, specifically a chloride oxide of sulfur, distinct from pure halides like hydrogen chloride. This classification applies to chemically defined inorganic compounds of nonmetals in this category.

Duty Rate — Canada → United States

13.7%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Verify chemical purity and provide Safety Data Sheets (SDS) compliant with OSHA and EPA for hazardous material declaration

Ensure proper UN packaging and labeling as a corrosive substance (UN1836) to avoid customs delays

Confirm no organo-inorganic impurities, as those shift to Chapter 29; include lab analysis certificates