Product Name:	Sodium Silicofluoride (Sodium Fluorosilicate)
WCode:	19-064
CAS No.	16893-85-9
Molecular Formula:	Na2SiF6
Formula Weight:	188.06

Physical and Chemical Properties
Physical State		White crystalline powder
Boiling Point		500 °C (Decomposes)
Specific Gravity		2.679
Solubility in Water		0.76 g/100 ml at 25 C, 2.45 g/100 ml at 100 C
Applications
Manufacturing Metal treatment compounds, Water fluoridation, Souring agent in laundry, Foam production, Opal glass, and Ore flotation.
Sales Specification
1. From UL Certified (to ANSI 60 Standard) facility with UL Certified labeling
Appearance	White powder
Assay	98.5% Min
Moisture	0.5% Max
Water insoluble matter	0.50% Max
Heavy metals (Pb)	0.05% Max
Bulle density	1.84 gm/cm3
Free Acid (As HCL)	0.15% Max
-40 mesh	98
-325 mesh	25

2. From Non UL Certified facility
Appearance	White powder
Assay	99% Min
105°C Weight less on dry	0.30% Max
Free Acid (As HCl)	0.10% Max
Chloride (As HCl)	0.15% Max
Sulphate (As SO4)	0.25% Max
Fe	0.02% Max
Finess (250 um mesh screen)	90% Min

Packing

In 25 KG plastic woven bag or 50 LB woven bag

Transportation
UN No	2674
Hazard Class	6.1
Packing group	II