Product Name

  • Name

    Calcium hexafluorosilicate

  • EINECS 240-991-9
  • CAS No. 16925-39-6
  • Article Data26
  • CAS DataBase
  • Density 2.25
  • Solubility insoluble cold H2O, partially decomposed in hot H2O [MER06]
  • Melting Point
  • Formula Ca.F6Si
  • Boiling Point
  • Molecular Weight 182.154
  • Flash Point
  • Transport Information UN 2856
  • Appearance Colorless tetragonal crystals
  • Safety
  • Risk Codes
  • Molecular Structure Molecular Structure of 16925-39-6 (Calcium hexafluorosilicate)
  • Hazard Symbols
  • Synonyms Calciumfluosilicate (6Cl);Calcium hexafluorosilicate (7Cl);Silicate(2-), hexafluoro-, calcium (1:1);Calcium fluorosilicate;Calcium silicofluoride;Hexafluorosilicate(2-) calcium (1:1);
  • PSA 0.00000
  • LogP 2.14040

Calcium hexafluorosilicate Consensus Reports

Reported in EPA TSCA Inventory.

Calcium hexafluorosilicate Standards and Recommendations

OSHA PEL: TWA 2.5 mg(F)/m3
ACGIH TLV: TWA 2.5 mg(F)/m3; BEI: 3 mg/g creatinine of fluorides in urine prior to shift; 10 mg/g creatinine of fluorides in urine at end of shift.
NIOSH REL: (Inorganic Fluorides) TWA 2.5 mg(F)/m3
DOT Classification:  6.1; Label: KEEP AWAY FROM FOOD

Calcium hexafluorosilicate Specification

The Calcium Silicofluoride with CAS registry number of 16925-39-6 is also known as Silicate(2-), hexafluoro-, calcium (1:1). The IUPAC name is Calcium silicon(4+) hexafluoride. Its EINECS registry number is 240-991-9. In addition, the formula is Ca.F6Si and the molecular weight is 182.15. Besides, this chemical is a colorless powder and used as flotation agent, insecticide and so on.

Physical properties about Calcium Silicofluoride are: (1)H-Bond Acceptor: 6; (2)Exact Mass: 181.929937; (3)MonoIsotopic Mass: 181.929937; (4)Heavy Atom Count: 8; (5)Covalently-Bonded Unit Count: 8.

You can still convert the following datas into molecular structure:
1. Canonical SMILES: [F-].[F-].[F-].[F-].[F-].[F-].[Si+4].[Ca+2]
2. InChI: InChI=1S/Ca.6FH.Si/h;6*1H;/q+2;;;;;;;+4/p-6
3. InChIKey: UTEFJYPYLXNQGW-UHFFFAOYSA-H

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