Hexafluorosilicic Acid (H2SiF6) Cas No. 16961-83-4

Hexafluorosilicic Acid H2SiF6 Cas No. 16961-83-4

Synonyms	Hexafluorosilicic Acid, Fluorosilicic Acid
Molecular Formula	H2SiF6
Mol. Wt	144.09
Cas No.	16961-83-4
UN No.	1778
EINECS No.	241-034-8
Physical state	Colorless, transparent and smoky liquid with penetrating odor, highly acidic
Solubility	Miscible with water. Stable in aqueous solution
Relative density	1.22 g/mL at 20 °C (lit.) 1.31 g/mL at 25 °C
Regular Package	25kg/drum, or according to customer's requirements
Storage	Tightly closed. Keep in a dry and well-ventilated place. Keep locked up.
Transportation	Hazardous Good, UN No.: 1778, Hazard Class: 8, Packing Group: II

The Reason for you to choose FSSF:

1. Supply high quality products with reasonable prices for chemical industry.

2. In time delivery, various documents are available for registration and customs clearance purpose.

3. Provide flexible payment mode.

4. Pre-sale consultation and post-sale service are available.

5. Provide market informations to make sure customers fully informed.

FAQ:

1. What's your payment terms?

T/T AD or Irrevocable L/C.

2. What's your delivery time?

Usually we will arrange the shipment within 7 to 15 days.

3. How about the packing?

Usually we provide the packing as 25kg per drum, if you have special requirements on them, we will according to you.

4. How about the validity of the products?

According to the products you ordered.

5. What documents will you get?

Usually, we provide Commerical Invoice, Packing List, Bill of loading, COA , and Origin certificate. If you have any special requirements, let us know.

6. What is loading port?

Usually the loading port is Shanghai, Ningbo, Guangzhou or Shenzhen.

The Quality of Hexafluorosilicic Acid

Product Name	Hexafluorosilicic Acid
Molecular Formula	H2SiF6
Molecular Weight	144.09
Index Name	Index
H2SiF6	≥ 40%
Free Acid (HF)	≤ 0.5%
Fe	≤ 0.01%
Pb	≤ 0.005%
Sulfate (SO4)	≤ 0.5%

Foshan Nanhai Shuangfu Chemical's Hexafluorosilicic acid is mainly used in:

1. In water fluoridation programs

Hexafluorosilicic acid is commonly used as a source of fluoride in water fluoridation

programs, which aim to improve dental health and prevent tooth decay.

2. In Metal surface treatment

Hexafluorosilicic acid is used in the treatment of metal surfaces to improve their durability

and resistance to corrosion. It can also be used to etch the surface of metals to prepare

them for painting or other coatings.

3. In glass and ceramic production

Hexafluorosilicic acid is used as a flux in glass and ceramic production,

where it helps to reduce the melting point of the materials and promote a more homogeneous mixture.

4. In chemical processing

Hexafluorosilicic acid is used as a reagent in various chemical processing

applications, including the production of other fluorine-containing compounds,

such as cryolite and sodium fluoride.

5. In the manufacturing of pesticides and insecticides

Hexafluorosilicic acid (H2SiF6) is used as a source of fluoride in the manufacturing of

pesticides and insecticides. Fluoride-containing compounds are effective in killing insects and

pests by disrupting their nervous system and causing paralysis.

6. Used as a catalyst

Hexafluorosilicic acid (H2SiF6) is used as a catalyst in various chemical reactions,

especially in the production of fine chemicals and pharmaceuticals. As a catalyst,

H2SiF6 plays an important role in accelerating the rate of reaction and

improving the selectivity of the reaction products.

7. In the processing of nuclear fuels

One of the main uses of Hexafluorosilicic acid in nuclear fuel processing is as

a purifying agent for uranium. Uranium is typically extracted from its ores using various chemical techniques

and is then turned into uranium hexafluoride (UF6). In this process, H2SiF6 is used to remove impurities

from the uranium and produce a high-purity product.

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