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ChemicalBook >> CAS DataBase List >> Sodium fluorosilicate

Sodium fluorosilicate

Sodium fluorosilicate price.
  • $10 - $481
  • Product name: Sodium fluorosilicate
  • CAS: 16893-85-9
  • MF: F6Na2Si
  • MW: 188.06
  • EINECS:240-934-8
  • MDL Number:MFCD00003491
  • Synonyms:ent1,501 ;fluosilicatedesodium ;Natriumhexafluorsilikat;Sodium fluorosilicat;SodiuM fluosilicide;hexafluoro-silicate(2-disodium ;natriumsilicofluorid ;orthoearwigbait
28 prices
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  • AK Scientific
  • Apolloscientific
  • Chem-Impex
  • GFS CHEMICALS
  • Oakwood
  • Sigma-Aldrich
  • Strem Chemicals
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  • Thermo Scientific Chemicals
Package
  • 5g
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  • 100G
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  • 1kg
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  • 5kg
  • ManufacturerAK Scientific
  • Product numberE226
  • Product descriptionSodium hexafluorosilicate
  • Packaging5g
  • Price$14
  • Updated2021-12-16
  • Buy
  • ManufacturerApolloscientific
  • Product numberPC6511
  • Product descriptionSodium hexafluorosilicate 98%
  • Packaging1kg
  • Price$166
  • Updated2026-06-04
  • Buy
  • ManufacturerApolloscientific
  • Product numberPC6511
  • Product descriptionSodium hexafluorosilicate 98%
  • Packaging1kg
  • Price$166
  • Updated2026-06-04
  • Buy
  • ManufacturerApolloscientific
  • Product numberPC6511
  • Product descriptionSodium hexafluorosilicate 98%
  • Packaging5kg
  • Price$481
  • Updated2026-06-04
  • Buy
  • ManufacturerApolloscientific
  • Product numberPC6511
  • Product descriptionSodium hexafluorosilicate 98%
  • Packaging5kg
  • Price$481
  • Updated2026-06-04
  • Buy
  • ManufacturerApolloscientific
  • Product numberPC6511
  • Product descriptionSodium hexafluorosilicate 98%
  • Packaging500g
  • Price$113
  • Updated2026-06-04
  • Buy
  • ManufacturerApolloscientific
  • Product numberPC6511
  • Product descriptionSodium hexafluorosilicate 98%
  • Packaging500g
  • Price$113
  • Updated2026-06-04
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  • ManufacturerChem-Impex
  • Product number35863
  • Product descriptionSodium hexafluorosilicate 98-102%(Assaybytitration)
  • Packaging100G
  • Price$29.34
  • Updated2026-05-19
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  • ManufacturerChem-Impex
  • Product number35863
  • Product descriptionSodium hexafluorosilicate 98-102%(Assaybytitration)
  • Packaging250G
  • Price$47.17
  • Updated2026-05-19
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  • ManufacturerChem-Impex
  • Product number35863
  • Product descriptionSodium hexafluorosilicate 98-102%(Assaybytitration)
  • Packaging1KG
  • Price$77.71
  • Updated2026-05-19
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  • ManufacturerGFS CHEMICALS
  • Product number69271
  • Product descriptionSODIUMSILICOFLUORIDE
  • Packaging500g
  • Price$122.52
  • Updated2021-12-16
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  • ManufacturerGFS CHEMICALS
  • Product number69271
  • Product descriptionSODIUM SILICOFLUORIDE, REAGENT
  • Packaging500G
  • Price$160.93
  • Updated2026-06-03
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  • ManufacturerOakwood
  • Product number007281
  • Product descriptionSodium hexafluorosilicate 98%
  • Packaging50g
  • Price$12
  • Updated2021-12-16
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  • ManufacturerOakwood
  • Product number007281
  • Product descriptionSodium hexafluorosilicate 98%
  • Packaging1kg
  • Price$35
  • Updated2021-12-16
  • Buy
  • ManufacturerOakwood
  • Product number007281
  • Product descriptionSodium hexafluorosilicate 98%
  • Packaging500g
  • Price$26
  • Updated2021-12-16
  • Buy
  • ManufacturerOakwood
  • Product number007281
  • Product descriptionSodium hexafluorosilicate 98%
  • Packaging250g
  • Price$19
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
AK Scientific E226 Sodium hexafluorosilicate 5g $14 2021-12-16 Buy
Apolloscientific PC6511 Sodium hexafluorosilicate 98% 1kg $166 2026-06-04 Buy
Apolloscientific PC6511 Sodium hexafluorosilicate 98% 1kg $166 2026-06-04 Buy
Apolloscientific PC6511 Sodium hexafluorosilicate 98% 5kg $481 2026-06-04 Buy
Apolloscientific PC6511 Sodium hexafluorosilicate 98% 5kg $481 2026-06-04 Buy
Apolloscientific PC6511 Sodium hexafluorosilicate 98% 500g $113 2026-06-04 Buy
Apolloscientific PC6511 Sodium hexafluorosilicate 98% 500g $113 2026-06-04 Buy
Chem-Impex 35863 Sodium hexafluorosilicate 98-102%(Assaybytitration) 100G $29.34 2026-05-19 Buy
Chem-Impex 35863 Sodium hexafluorosilicate 98-102%(Assaybytitration) 250G $47.17 2026-05-19 Buy
Chem-Impex 35863 Sodium hexafluorosilicate 98-102%(Assaybytitration) 1KG $77.71 2026-05-19 Buy
GFS CHEMICALS 69271 SODIUMSILICOFLUORIDE 500g $122.52 2021-12-16 Buy
GFS CHEMICALS 69271 SODIUM SILICOFLUORIDE, REAGENT 500G $160.93 2026-06-03 Buy
Oakwood 007281 Sodium hexafluorosilicate 98% 50g $12 2021-12-16 Buy
Oakwood 007281 Sodium hexafluorosilicate 98% 1kg $35 2021-12-16 Buy
Oakwood 007281 Sodium hexafluorosilicate 98% 500g $26 2021-12-16 Buy
Oakwood 007281 Sodium hexafluorosilicate 98% 250g $19 2021-12-16 Buy

Properties

Melting point :melts at red heat, decomposing [MER06]
Boiling point :620℃[at 101 325 Pa]
Density :2.68 g/mL at 25 °C(lit.)
vapor pressure :0.01Pa
refractive index :1.310
solubility :insoluble in ethanol
form :Crystals
color :White
Specific Gravity :2.68
Odor :odorless
Water Solubility :Slightly soluble in water. Solubility increases with temperature. Insoluble in alcoholSlightly soluble in water. Insoluble in alcohol.
Merck :14,8624
Exposure limits :ACGIH: TWA 2.5 mg/m3
NIOSH: IDLH 250 mg/m3; TWA 2.5 mg/m3 Stability :Stable. Incompatible with oxidizing agents, water. Moisture sensitive.
Cosmetics Ingredients Functions :ORAL CARE
ANTIPLAQUE InChI :1S/F6Si.2Na/c1-7(2,3,4,5)6;;/q-2;2*+1
InChIKey :TWGUZEUZLCYTCG-UHFFFAOYSA-N
SMILES :[Na+].[Na+].F[Si--](F)(F)(F)(F)F
LogP :0.001
CAS DataBase Reference :16893-85-9(CAS DataBase Reference)
EPA Substance Registry System :Sodium fluosilicate (16893-85-9)

Safety Information

Symbol(GHS): Skull and Crossbones (GHS06)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501
H311 Toxic in contact with skin Acute toxicity,dermal Category 3 Danger P280, P302+P352, P312, P322, P361,P363, P405, P501
H331 Toxic if inhaled Acute toxicity,inhalation Category 3 Danger P261, P271, P304+P340, P311, P321,P403+P233, P405, P501
Precautionary statements:
P261 Avoid breathing 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.
P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P311 Call a POISON CENTER or doctor/physician.
P312 Call a POISON CENTER or doctor/physician if you feel unwell.
P330 Rinse mouth.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P405 Store locked up.
P501 Dispose of contents/container to..…

Description

Sodium hexafluorosilicate is used as a additive for water fluoridation, opal glass raw material and in ore refining. It is also used in the preparation of other fluoride chemicals like sodium fluoride, sodium hexafluoroaluminate, potassium hexafluorosilicate, ammonium fluoride and calcium fluoride. It finds application as flotator, component for wet etching, wood preservative, brazing flux and welding compound. It is an active component of concrete.

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