We are a main supplier of 99.5% Sodium Silicofluoride in China. We can supply you 99.5% Sodium Silicofluoride  with competitive price. The details of the product as follow:

Formula: Na2SiF6

Molecular: 188.06

Execute standard: National standard/GB 23936-2009

Executive:

White crystalline powder,odorless, relative density: 2.679 g/cm3, hygroscopic.Soluble in ether, insoluble in alcohol. Decomposed in alkaline solution, forming NAF AND SiO2. In the searing heat(abpve 300°C),it is broken down into NaF and SiO4;toxic.

AWWA/NSF/UL Grade Portable Water Treatment

Specific impurity limits in milligrams per kilogram of Na2SiF6

Physical Properties

Description: Dry crystalline non-hygroscopic salt, meeting AWWA StandardB-702,and the NSF/ANSI Standard 60 for Fluoride Fluorosiicate.

Specification Gravity (H2O=1):  2.679

Boiling Proint:  Decomposes at 500 °C (932 .F)  

Molecular Weight:  188.05

Solubility in Water:

          0.76 grams/100 ml of water @ 25°C    

          2.45 grams/100 ml of water @ 100 °C

Guaranteed Screens: 

          ≥89% through 40 mesh

          ≤25% through 325 mesh

Ph (1% Solution):  3.0-4.5