Main applications Mainly used in the production of methyl tin heat stabilizer, is the main raw material for the production of methyl tin heat stabilizer; used for glass coating materials, catalyst etc. Appearance Crystalline, melt is a colorless transparent liquid Tin content (%) 53.0 Dimethyltin dichloride % 95.0 Methyltin trichloride % 5.0 Trimethyltin chloride % 0.05 M.P. () 107-108 B.P. () 188-190 Melt density(120) g/cm3 2.0±0.1 Water content (%) 0.05