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16961-83-4 - Hexafluorosilicic acid, 35% w/w aq. soln. - Fluorosilicic acid - Hydrofluorosilicic acid - L14829 - Alfa Aesar

L14829 Hexafluorosilicic acid, 35% w/w aq. soln.

CAS Number
16961-83-4
Synonyms
Fluorosilicic acid
Hydrofluorosilicic acid

Size Price ($) Quantity Availability
500g 45.20
2500g 79.60
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Hexafluorosilicic acid, 35% w/w aq. soln.

MDL
MFCD00036289
EINECS
241-034-8

Chemical Properties

Formula
H2F6Si
Formula Weight
144.09
Boiling Point
108-109°
Density
1.320
Solubility
Miscible with water.

Applications

Hexafluorosilicic acid is commonly used as a source of fluoride. It is converted to a variety of useful hexafluorosilicate salts. It is also used as an electrolyte in the Betts electrolytic process for refining lead. It is an important organic reagent for cleaving Si-O bonds of silyl ethers. Further, it is used as wood a preservation agent and also used in surface modification of calcium carbonate.

Notes

Incompatible in strong oxidizing agents, metals, alkalis, strong acids, stoneware and glass.

Literature References

Ayarza, N.; Góngora, J. M.; Alonso, R. M. Quality Control of Industrial Fluorinated Inorganic Acids by Ion Chromatography. Anal. Lett. 2015, 48 (9), 1367-1379.

Buzatu, T.; Petrescu, M. I.; Ghica, V. G.; Buzatu, M.; Iacob, G. Processing oxidic waste of lead-acid batteries in order to recover lead. Asia-Pac. J. Chem. Eng. 2015, 10 (1), 125-132.

GHS Hazard and Precautionary Statements

Hazard Statements: H314

Causes severe skin burns and eye damage.

Precautionary Statements: P260-P280-P303+P361+P353-P305+P351+P338-P301+P330+P331-P304+P340-P310-P363-P405-P501a

Do not breathe dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Immediately call a POISON CENTER or doctor/physician. Wash contaminated clothing before reuse. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Merck
14,4182
Hazard Class
8
Packing Group
II
Harmonized Tariff Code
2811.19
TSCA
Yes
RTECS
VV8225000

Recommended

  • 11557

    Potassium hydrogen fluoride, 99+% (metals basis)
  • 14130

    Potassium fluoride, anhydrous, 99%
  • 33260

    Nitric acid, ACS, 68.0-70.0%
  • 69109

    Hexafluorosilicic acid, 23% w/w aq. soln.
  • 89023

    Potassium hexafluorosilicate, 98%

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