Potassium hexafluorosilicate, 99.999% (metals basis), Thermo Scientific Chemicals

Product Code	Brand	Quantity
11455200	Thermo Scientific Alfa Aesar 044495.09	10 g
11465200	Thermo Scientific Alfa Aesar 044495.18	50 g
11475200	Thermo Scientific Alfa Aesar 044495.30	250 g

Description

Potassium hexafluorosilicate is used in the production of porceleins. It is also used for the preservation of timber. It is involved in the manufacturing of ceramics, aluminum and magnesium smelting. In addition, it is used as an intermediate in the manufacturing of optical glass.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Chemical Identifiers

• CAS: 16871-90-2
• Molecular Weight (g/mol): 220.27
• InChI Key: UUHPPUWEDCVPCO-UHFFFAOYSA-N
• PubChem CID: 61851
• SMILES: [K+].[K+].F[Si--](F)(F)(F)(F)F

• Molecular Formula: F6K2Si
• MDL Number: MFCD00040666
• Synonym: potassium hexafluorosilicate, potassium fluosilicate, potassium silicofluoride, dipotassium hexafluorosilicate, silicate 2-, hexafluoro-, dipotassium, unii-2610w49xyd, dipotassium hexafluorosilicon 2-, dipotassium hexafluorosilicate 2-, sif6.2k, potassium hexafluorosilicate iv
• IUPAC Name: dipotassium;hexafluorosilicon(2-)

Specifications

• Melting Point: (decomposition)
• Color: White
• Physical Form: Crystalline
• Linear Formula: K₂SiF₆
• UN Number: UN2655
• Synonym: potassium hexafluorosilicate, potassium fluosilicate, potassium silicofluoride, dipotassium hexafluorosilicate, silicate 2-, hexafluoro-, dipotassium, unii-2610w49xyd, dipotassium hexafluorosilicon 2-, dipotassium hexafluorosilicate 2-, sif6.2k, potassium hexafluorosilicate iv
• InChI Key: UUHPPUWEDCVPCO-UHFFFAOYSA-N
• IUPAC Name: dipotassium;hexafluorosilicon(2-)
• PubChem CID: 61851
• Percent Purity: 99.999%
• Density: 2.27 g/mL
• Chemical Name or Material: Potassium hexafluorosilicate

• CAS: 16871-90-2
• pH: 3.4
• Molecular Formula: F6K2Si
• MDL Number: MFCD00040666
• Merck Index: 14,7638
• Solubility Information: Slightly soluble in water.
• SMILES: [K+].[K+].F[Si--](F)(F)(F)(F)F
• Molecular Weight (g/mol): 220.27
• Formula Weight: 220.28
• Sensitivity: Moisture sensitive
• Assay: (metals basis)

Safety and Handling

GHS H Statement
H301-H311-H331
Toxic if swallowed.
Toxic in contact with skin.
Toxic if inhaled.

P261-P264b-P270-P271-P280-P301+P310-P302+P352-P304+P340-P311-P312-P330-P361-P363-P501c

H301+H311+H331

missing translation for 'dotInformation' : Transport Hazard Class: 6.1; Packing Group: III; Proper Shipping Name: POTASSIUM FLUOROSILICATE

missing translation for 'einecsNumber' : 240-896-2

missing translation for 'tsca' : Yes

Recommended Storage : Ambient temperatures

Product Identifier

• Potassium hexafluorosilicate

Signal Word

• Danger

Hazard Category

• Acute toxicity Category 3

Hazard Statement

• H301-Toxic if swallowed.
• H311-Toxic in contact with skin.
• H331-Toxic if inhaled.

Precautionary Statement

• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P301+P310-IF SWALLOWED: Immediately call a POISON CENTER/doctor /
• P302+P352-IF ON SKIN: Wash with plenty of water/soap.
• P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.
• P311-Call a POISON CENTER/doctor/ .

Supplemental information

• MIXTURE LIST-Contains : Potassium silicofluoride

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RUO – Research Use Only