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ChemicalBook >> CAS DataBase List >> Potassium fluorosilicate

Potassium fluorosilicate

Potassium fluorosilicate  price.
  • $35 - $855
  • Product name: Potassium fluorosilicate
  • CAS: 16871-90-2
  • MF: F6K2Si
  • MW: 220.27
  • EINECS:240-896-2
  • MDL Number:MFCD00040666
  • Synonyms:hexafluoro-silicate(2-dipotassium ;potassiumfluosilicate ;Silicate(2-),hexafluoro-,dipotassium ;POTASSIUM FLUOROSILICATE;dipotassium hexafluorosilicate;POTASSIUM FLUOROSILICATE 95% MIN;POTASSIUM SILICAFLUORIDE;POTASSIUM HEXAFLUOROSILICATE POWDER
16 prices
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Brand
  • Apolloscientific
  • Sigma-Aldrich
  • Strem Chemicals
  • SynQuest Laboratories
  • Thermo Scientific Chemicals
Package
  • 10g
  • 50g
  • 250g
  • 500g
  • 1kg
  • 2kg
  • 5kg
  • ManufacturerApolloscientific
  • Product numberPC6294
  • Product descriptionPotassium hexafluorosilicate 98%
  • Packaging1kg
  • Price$230
  • Updated2026-06-04
  • Buy
  • ManufacturerApolloscientific
  • Product numberPC6294
  • Product descriptionPotassium hexafluorosilicate 98%
  • Packaging1kg
  • Price$230
  • Updated2026-06-04
  • Buy
  • ManufacturerApolloscientific
  • Product numberPC6294
  • Product descriptionPotassium hexafluorosilicate 98%
  • Packaging5kg
  • Price$855
  • Updated2026-06-04
  • Buy
  • ManufacturerApolloscientific
  • Product numberPC6294
  • Product descriptionPotassium hexafluorosilicate 98%
  • Packaging5kg
  • Price$855
  • Updated2026-06-04
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  • ManufacturerSigma-Aldrich
  • Product number60322
  • Product descriptionPotassium hexafluorosilicate ≥99.0% (T)
  • Packaging1kg
  • Price$106
  • Updated2026-04-30
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  • ManufacturerStrem Chemicals
  • Product number93-1959
  • Product descriptionPotassium hexafluorosilicate, 99%
  • Packaging2kg
  • Price$164
  • Updated2024-03-01
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  • ManufacturerStrem Chemicals
  • Product number93-1959
  • Product descriptionPotassium hexafluorosilicate, 99% 99%
  • Packaging2kg
  • Price$172
  • Updated2026-04-30
  • Buy
  • ManufacturerStrem Chemicals
  • Product number93-1959
  • Product descriptionPotassium hexafluorosilicate, 99%
  • Packaging500g
  • Price$46
  • Updated2024-03-01
  • Buy
  • ManufacturerStrem Chemicals
  • Product number93-1959
  • Product descriptionPotassium hexafluorosilicate, 99% 99%
  • Packaging500g
  • Price$49
  • Updated2026-04-30
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  • ManufacturerSynQuest Laboratories
  • Product numberM019-2-05
  • Product descriptionPotassium hexafluorosilicate 98%
  • Packaging1kg
  • Price$75
  • Updated2021-12-16
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  • ManufacturerSynQuest Laboratories
  • Product numberM019-2-05
  • Product descriptionPotassium hexafluorosilicate 98%
  • Packaging250g
  • Price$35
  • Updated2021-12-16
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  • ManufacturerThermo Scientific Chemicals
  • Product number044495
  • Product descriptionPotassium hexafluorosilicate, 99.999% (metals basis)
  • Packaging250g
  • Price$811.65
  • Updated2026-04-24
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  • ManufacturerThermo Scientific Chemicals
  • Product number089023
  • Product descriptionPotassium hexafluorosilicate, 98%
  • Packaging5kg
  • Price$328.65
  • Updated2026-04-24
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  • ManufacturerThermo Scientific Chemicals
  • Product number089023
  • Product descriptionPotassium hexafluorosilicate, 98%
  • Packaging1kg
  • Price$77.65
  • Updated2026-04-24
  • Buy
  • ManufacturerThermo Scientific Chemicals
  • Product number044495
  • Product descriptionPotassium hexafluorosilicate, 99.999% (metals basis)
  • Packaging10g
  • Price$70.65
  • Updated2026-04-24
  • Buy
  • ManufacturerThermo Scientific Chemicals
  • Product number044495
  • Product descriptionPotassium hexafluorosilicate, 99.999% (metals basis)
  • Packaging50g
  • Price$218.65
  • Updated2026-04-24
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
Apolloscientific PC6294 Potassium hexafluorosilicate 98% 1kg $230 2026-06-04 Buy
Apolloscientific PC6294 Potassium hexafluorosilicate 98% 1kg $230 2026-06-04 Buy
Apolloscientific PC6294 Potassium hexafluorosilicate 98% 5kg $855 2026-06-04 Buy
Apolloscientific PC6294 Potassium hexafluorosilicate 98% 5kg $855 2026-06-04 Buy
Sigma-Aldrich 60322 Potassium hexafluorosilicate ≥99.0% (T) 1kg $106 2026-04-30 Buy
Strem Chemicals 93-1959 Potassium hexafluorosilicate, 99% 2kg $164 2024-03-01 Buy
Strem Chemicals 93-1959 Potassium hexafluorosilicate, 99% 99% 2kg $172 2026-04-30 Buy
Strem Chemicals 93-1959 Potassium hexafluorosilicate, 99% 500g $46 2024-03-01 Buy
Strem Chemicals 93-1959 Potassium hexafluorosilicate, 99% 99% 500g $49 2026-04-30 Buy
SynQuest Laboratories M019-2-05 Potassium hexafluorosilicate 98% 1kg $75 2021-12-16 Buy
SynQuest Laboratories M019-2-05 Potassium hexafluorosilicate 98% 250g $35 2021-12-16 Buy
Thermo Scientific Chemicals 044495 Potassium hexafluorosilicate, 99.999% (metals basis) 250g $811.65 2026-04-24 Buy
Thermo Scientific Chemicals 089023 Potassium hexafluorosilicate, 98% 5kg $328.65 2026-04-24 Buy
Thermo Scientific Chemicals 089023 Potassium hexafluorosilicate, 98% 1kg $77.65 2026-04-24 Buy
Thermo Scientific Chemicals 044495 Potassium hexafluorosilicate, 99.999% (metals basis) 10g $70.65 2026-04-24 Buy
Thermo Scientific Chemicals 044495 Potassium hexafluorosilicate, 99.999% (metals basis) 50g $218.65 2026-04-24 Buy

Properties

Melting point :°Cd ec.)
Boiling point :dec
Density :2.665 g/mL at 25 °C(lit.)
vapor pressure :0.01Pa
refractive index :1.3991
solubility :insoluble in ethanol
form :Powder
Specific Gravity :2.665
color :White
Odor :Odorless
Water Solubility :Slightly soluble in water.
Sensitive :Moisture Sensitive
Hydrolytic Sensitivity :0: forms stable aqueous solutions
Merck :14,7638
Solubility Product Constant (Ksp) :pKsp: 6.06
Exposure limits :ACGIH: TWA 2.5 mg/m3
NIOSH: IDLH 250 mg/m3 Cosmetics Ingredients Functions :ORAL CARE
ANTIPLAQUE InChI :1S/F6Si.2K/c1-7(2,3,4,5)6;;/q-2;2*+1
InChIKey :UUHPPUWEDCVPCO-UHFFFAOYSA-N
SMILES :[K+].[K+].F[Si--](F)(F)(F)(F)F
LogP :0.001
CAS DataBase Reference :16871-90-2(CAS DataBase Reference)
EPA Substance Registry System :Silicate(2-), hexafluoro-, dipotassium (16871-90-2)

Safety Information

Symbol(GHS): Skull and Crossbones (GHS06)Health Hazard (GHS08)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H372 Causes damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 1 Danger P260, P264, P270, P314, P501
Precautionary statements:
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P314 Get medical advice/attention if you feel unwell.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P405 Store locked up.
P501 Dispose of contents/container to..…

Description

As a type of fluorosilicate, potassium fluorosilicate can be used as fluoridizing agents for water supplies, in the production of synthetic cryolite, and in metal plating. Potassium fluorosilicate can be used as oral care ingredient, as a fluxing ingredient in porcelain enamels, and as wood preservative elements. Potassium fluorosilicate can also be used for the manufacture of ceramic materials and optical glasses.

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