This standard specifies the requirements, test methods, inspection rules and markings, packaging, transportation and storage of the heat stabilizer methyltin mercaptide TM-19. This standard applies to methyltin chloride (or oxide), isooctyl thioglycolate (or 2-ethylhexyl thioglycolate), bases (caustic soda, soda ash or other alkaline substances) as raw materials. Methyl tin mercaptide products. The mass ratio of monomethyltin mercaptide and dimethyltin mercaptide is about 20/80. Molecular formula: CHOSSn and CHOSSn Structural formula: Relative molecular mass: 743.69 and 555.41 (according to the 2001 international relative atomic mass) The average relative molecular mass is about: 584.97
HG/T 3879-2006 Referenced Document
GB/T 1250 Rules for expression and judgement of limiting values