Vinyl Trimethoxy Silane (YAC-V171, A-171, VTMO) Biggest Supplier on Organic ... (WACKER), Z-6300 (Dow-Corning), KBM-1003 (Shinetsu), A-171 (Momentive), Dynasylan VTMO (Evonik), Sila-Ace S-210 ... is 3.0 to 3.5. CAS NO.2768-02-7Purity, %≥98%Molecular weight148.23Boiling Point123oCDensity (g/cm3) ... & storage: (1) 20Kg/190Kg Drum.(2) Store in a cool, dry place and avoid light.Molecular weight ( function(){ ...