Sodium Fluorosilicate CAS No. 16893-85-9

Sodium Fluorosilicate CAS NO. : 16893-85-9

Synonyms	Sodium Silicofluoride, Sodium Fluorosilicate, Disodium Hexafluosilicate
Molecular Formula	Na₂SiF₆
Molecular Weight	188.06
Cas No.	16893-85-9
UN No.	2674
EMS No.	F-A, S-A
EINECS No.	240-934-8
Physical state	White powder
Water soluble	Soluble in solvents such as ether, but insoluble in alcohol.
Hazardous characteristics	Exposure to high heat or acid or acid mist emits highly toxic fumes.
Regular package	25 KG woven bag with inner plastic bag, or according to customer's requirements.
Storage	It is considered as a dangerous goods, and it is poisonous ,must kept sealed and preserved.
Transportation	Hazardous chemical, UN No.: 2674, Hazard class: 6.1, Package group: III

The Quality Specification of Sodium Fluorosilicate

Foshan Shuangfu Chemical's Sodium Fluorosilicate is mainly used in:

1. Water Treatment

Sodium fluorosilicate is used as a coagulant and flocculating agent in water treatment

to remove impurities from water during purification.

2. Metal Surface Finishing

Sodium fluorosilicate is used as an anti-corrosion agent and to remove impurities

from metal surfaces during the finishing process before subsequent coatings.

3. Glass Etching

Sodium fluorosilicate is used as an etching agent for glass,

especially for creating a frosted or matte finish.

4. Dental Applications

Sodium fluorosilicate is used in dental applications as an ingredient

in fluoride treatments for strengthening the enamel and preventing cavities.

5. Pesticides

Sodium fluorosilicate is used as an active ingredient in some insecticides and rodenticides to control pests.

6. Flame Retardants

Sodium fluorosilicate is used as a fire retardant in the production of textiles, plastics, and wood.

7. Chemical Manufacturing

Sodium fluorosilicate serves as a raw material and intermediate for various chemical manufacturing processes.

8. Batteries

Sodium fluorosilicate is used in the production of batteries as an electrolyte.

9. Metallurgy

Sodium fluorosilicate is used for the purification of bauxite in the production of aluminum and in other metallurgical applications.

10. Oil Refining

Sodium fluorosilicate is used to remove impurities from crude oil during the refining process.

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