- Name
Magnesium hexafluorosilicate hexahydrate
- EINECS241-022-2
- CAS No.
18972-56-0
- Density1.79 g/cm3
- PSA9.23000
- LogP2.07610
- SolubilityN/A
- Melting Point120 °C (dec.)
- FormulaMgSiF6.6(H2O)
- Boiling Point100oC at 760 mmHg
- Molecular Weight274.473
- Flash PointN/A
- Transport InformationUN 2853
- AppearanceWhite powder
- Safety24/25-45
- Risk Codes25
- Molecular Structure
- Hazard Symbols25:;
- Synonyms25:;
Magnesium hexafluorosilicate hexahydrate Chemical Properties
The molecular formula of Magnesium hexafluorosilicate(18972-56-0) is F
6H
12MgO
6Si and its formula weight is 274.47.
Magnesium hexafluorosilicate(18972-56-0) has a melting point of 120°C (dec.).
The chemical synonyms of Magnesium hexafluorosilicate(18972-56-0) are eulavasm;fluosilicatedemagnesium;MagnesiumfluosilicateHexahyd;Magnesiumhexafluorosilicate(2-)hexahydrate;Magnesiumsiliconhexafluoridehexahydrate;Silicate(2-),hexafluoro-,magnesium,hexahydrate;MAGNESIUM SILICOFLUORIDE;MAGNESIUM SILICOFLUORIDE HEXAHYDRATE
The molecular structure of Magnesium hexafluorosilicate(18972-56-0):
Magnesium hexafluorosilicate hexahydrate Toxicity Data With Reference
1. | | orl-gpg LD50:200 mg/kg | | 28ZEAL Pesticide Index. 4 (1969),265. |
2. | | scu-frg LDLo:420 mg/kg | | CRSBAW Comptes Rendus des Seances de la Societe de Biologie et de Ses Filiales. 124 (1937),133. |
Magnesium hexafluorosilicate hexahydrate Safety Profile
Poison by ingestion. Moderately toxic by subcutaneous route. When heated to decomposition it emits toxic fumes of F
−. See also
FLUORIDES and
MAGNESIUM COMPOUNDS.
Risk Statements 25
Safety Statements 24/25-45
RIDADR 2853
HazardClass 6.1
PackingGroup III
Magnesium hexafluorosilicate hexahydrate 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
Magnesium hexafluorosilicate hexahydrate Specification
Storage
Store in a cool, dry location in a tightly sealed container. Corrosive area.
Handling
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Incompatibilities
Reacts with acids evolving HF and SiF4, irritating and corrosive gases.
Combustion Products
Fire may produce irritating, corrosive and/or toxic gases.