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18943-30-1

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Basic Information
CAS No.: 18943-30-1
Name: silicon(4+), fluoride, strontium salt (1:6:2)
Molecular Structure:
Molecular Structure of 18943-30-1 (silicon(4+), fluoride, strontium salt (1:6:2))
Formula: F6Si•Sr
Molecular Weight: 229.696
Density: g/cm3
Boiling Point: 19.5°Cat760mmHg
Flash Point: °C
Safety: Poison by ingestion. When heated to decomposition it emits toxic fumes of F−. See also STRONTIUM COMPOUNDS.
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    STRONTIUM FLUOSILICATE

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    STRONTIUM FLUOSILICATE

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Chemistry

Molecule structure of Strontium fluosilicate (CAS NO.18943-30-1) :

IUPAC Name: distrontium silicon(4+) hexafluoride 
Molecular Weight: 317.315919 g/mol
Molecular Formula: F6SiSr2+2 
Enthalpy of Vaporization: 25.54 kJ/mol
Boiling Point: 19.5 °C at 760 mmHg
Vapour Pressure: 922 mmHg at 25 °C
H-Bond Acceptor: 6
Exact Mass: 317.778574
MonoIsotopic Mass: 317.778574 
Heavy Atom Count: 9
Formal Charge: 2
Canonical SMILES: [F-].[F-].[F-].[F-].[F-].[F-].[Si+4].[Sr+2].[Sr+2]
InChI: InChI=1S/6FH.Si.2Sr/h6*1H;;;/q;;;;;;+4;2*+2/p-6
InChIKey: IDBPYSPMUSZONL-UHFFFAOYSA-H
EINECS of Strontium fluosilicate (CAS NO.18943-30-1) : 242-696-0

Toxicity Data With Reference

1.    

orl-rat LDLo:250 mg/kg

     NCNSA6    National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. 5 (1953),28.

Safety Profile

Poison by ingestion. When heated to decomposition it emits toxic fumes of F−. See also STRONTIUM COMPOUNDS.

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: TWA 2.5 mg(F)/m3

Specification

 Strontium fluosilicate (CAS NO.18943-30-1) is also called Hexafluorosilicate(2-) strontium ; Strontium fluosilicate ; 
Silicate(2-), hexafluoro-, strontium ; Strontium hexafluorosilicate(2-) .