Sodium Fluorosilicate (Sodium Silicofluoride)
Product Specification

Chemical Analysis

Guaranteed

Typical

Assay (Na2SiF6)
98.00% min 99.00%
Fluorine (F)
59.43%
60.03%
Moisture as H2O
0.50%
0.020%
Water Insoluble Matter
0.50%
0.080%
Heavy Metals, as Lead (Pb)
0.05%
0.0002%
Sodium Bifluoride (NaFHF)
0.500%
Calcium (Ca)
75.0 ppm
Sulfate (SO4)
10.0 ppm
Phosphorus Pentoxide (P2O5)
400.0 ppm
Iron (Fe)
30.0 ppm
Silica (Sio2)
Trace
Salt (NaCI)
Trace

Physical Properties

Description
Dry crystalline non-hygroscopic salt, meeting AWWA Standard B702a-97 and the NSF/ANSI Standard 60 for Sodium Fluorosilicate.
Specific Gravity (H2O=1)
2.679
Boiling Point
Decomposes at 500oC (932oF)
Molecular Weight
188.05
Solubility in Water
0.76 grams/100 ml of water @ 25oC
2.45 grams/100 ml of water @ 100oC
Guaranteed Screens
Min - 98% through 40 mesh
Max - 25% through 325 mesh
pH (1% Solution)
3.0 - 4.5

Containers

Bags 5M2
Multi-wall water resistant paper bags,
50 or 100 lbs net weight

Freight Description

DOT Shipping Classification
Class 6.1 (Keep away from Food)
DOT Shipping Name
Sodium Fluorosilicate
UN 2674
Placard: Keep Away form Food
Packing Group II

For Chemical Emergency Spill, Leak, Fire, Exposure or Accident,
C
all CHEMTREC, Day/Night at 800.424.9300.

Always read and follow the product label and Material Safety Date Sheet (MSDS) that are shipped with each order.

The information presented herein is based on data considered to be accurate and that reflects the requirements of the OSHA Hazard Communication Standards in effect as of the date of preparation of this Product Specification Sheet. However, no warranty or representation, express or implied, is made as to the accuracy or completeness of the foregoing data and safety information. In addition, no responsibility can be assumed by vendor for any damage or injury resulting from abnormal use, from any failure to adhere to recommended practices or from any hazards inherent in the nature of the product.

© 2001. JCI Jones Chemicals, Inc. All Rights Reserved.