dipotassium hexafluorosilanediuide

• ChemBase ID: 111245
• Molecular Formular: F6K2Si
• Molecular Mass: 220.2725192
• Monoisotopic Mass: 219.89475921
• SMILES: [K+].[K+].F[Si-2](F)(F)(F)(F)F
• Canonical SMILES: F[Si-2](F)(F)(F)(F)F.[K+].[K+]
• InChI: InChI=1S/F6Si.2K/c1-7(2,3,4,5)6;;/q-2;2*+1
• InChIKey: UUHPPUWEDCVPCO-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: dipotassium hexafluorosilanediuide
• IUPAC Traditional name: dipotassium ion hexafluorosilanediuide; dipotassium hexafluorosilanediuide
• Synonyms: Potassium fluorosilicate; POTASSIUM SILICOFLUORIDE; Potassium hexafluorosilicate; 六氟硅酸钾

Database IDs

• CAS Number: 16871-90-2
• EC Number: 240-896-2
• MDL Number: MFCD00040666
• Merck Index: 147638
• PubChem SID: 24860407; 162103216; 24881834
• PubChem CID: 61851

CALCULATED PROPERTIES

• H Acceptors: 0
• H Donor: 0
• Molar Refractivity: 9.0078 cm^3
• Polar Surface Area: 0.0 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true
• LogD (pH = 5.5): 2.1
• LogD (pH = 7.4): 2.1
• Log P: 2.1
• Polarizability: 4.849813 Å^3

PROPERTIES

Physical Property

• Solubility: Slightly soluble in cold water. Hydrolyzes in hot water. Insoluble in alcohol
• Apperance: Crystalline; Powder
• Melting Point: dec.
• Density: 2.27; 2.665 g/mL at 25 °C(lit.)

Safety Information

• Storage Warning: Moisture Sensitive
• RTECS: VV8400000
• European Hazard Symbols: Toxic (T)
• UN Number: 2655; UN2655
• German water hazard class: 3
• Hazard Class: 6.1
• Packing Group: 3; III
• Risk Statements: 23/24/25; R:23/24/25
• Safety Statements: 26-45; S:26-45
• TSCA Listed: 是
• GHS Pictograms: GHS06
• GHS Signal Word: Danger
• GHS Hazard statements: H301-H311-H331
• GHS Precautionary statements: P261-P280-P301 + P310-P311; P261-P301+P310-P361-P302+P352-P405-P501A
• Personal Protective Equipment: Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges
• RID/ADR: UN 2655 6.1/PG 3

Product Information

• Purity: ≥99.0% (T); 99%; 99.999% (metals basis)
• Grade: purum p.a.
• Cation Traces: Ca: ≤50 mg/kg; Cd: ≤50 mg/kg; Co: ≤50 mg/kg; Cu: ≤50 mg/kg; Fe: ≤100 mg/kg; Na: ≤1000 mg/kg; Ni: ≤50 mg/kg; Pb: ≤50 mg/kg; Zn: ≤50 mg/kg
• Antion Traces: chloride (Cl-): ≤500 mg/kg; sulfate (SO42-): ≤200 mg/kg
• Linear Formula: K2SiF6

DETAILS

MP Biomedicals - 05218329

MP Biomedicals Rare Chemical collection

Sigma Aldrich - 336661

Packaging
500 g in poly bottle

Sigma Aldrich - 60322

Caution
may contain black particles
Packaging
1 kg in poly bottle