Tin(ii) chloride

Tin(II) chloride, also known as stannous chloride or tin dichloride (CAS 7772-99-8, EC 231-868-0, formula Cl2Sn), is an inorganic tin salt supplied as a white crystalline powder. It carries no E-code designation and is classified under HS code 28273990 within the salts and minerals category.

In textile and leather processing, tin(II) chloride acts as a reducing agent and mordant, fixing dyes to fibres through electron transfer reactions. As a catalyst in polymer and plastics production, it initiates and accelerates esterification and condensation reactions. It also functions as an antimicrobial preservative, disrupting microbial cell membranes to inhibit growth in treated substrates.

Tin(II) chloride is available in technical and high-purity grades, with supply subject to REACH registration requirements applicable across EU markets. Procurement teams should confirm grade specifications against intended application standards, including food-contact or industrial use classifications. Standard packaging formats include multi-layer bags and intermediate bulk containers.