2931.90.90.52/Allylchlorosilane Intermediate/Mexico

Allylchlorosilane Intermediate from Mexico

Allylchlorosilane (chlorodimethylallylsilane) is an organosilicon compound used in silicone polymer synthesis. Falls under 2931.90.90.52 as an organo-inorganic compound with silicon-halogen-carbon structure, excluded from organo-sulfur classification.

Duty Rate — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

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Import Tips

• Hydrolyzes on moisture contact; ship with desiccant and inert atmosphere packaging

• REACH registration required for EU re-export; provide polymerization end-use statement

• Distinguish from siloxanes (heading 2931.90.30) via chlorine content declaration