Sodium fluorosilicate [ 16893-85-9 ]
                - Appearance
 - white crystalline powder
 
Fluorine sodium silicate properties
Density 2.68 g/mL mig-at 25 ° C (lit.)
Refractive index 1.310
Merck 14,8624
Stability Stable oxidizing agents, Incompatible with j j included water sensitive.