Basic information
- Name:
Magnesium fluosilicate
- CAS No.:
16949-65-8
- Molecular Structure:
- Formula:
- MgSiF6
- Molecular Weight:
- 166.38
- Deleted CAS:
- 1344-27-0
- Synonyms:
- Magnesiumfluosilicate (6CI);Silicate(2-), hexafluoro-, magnesium (8CI);Fluosilicicacid magnesium salt;Magnesium hexafluorosilicate;Magnesium hexafluorosilicate(2-);Magnesium silicofluoride;Silicon fluoridemagnesium salt;
- EINECS:
- 241-022-2
- Density:
- 1.788 g/cm3
- Melting Point:
- 120 °C
- Solubility:
- soluble in water
- Appearance:
- Crystalline solid
- Hazard Symbols:
T- Risk Codes:
- 25
- Safety Description:
- 24/25-45 Details
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Chemistry
Molecular Structure of Magnesium fluosilicate (CAS NO.16949-65-8):
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IUPAC Name: magnesium hexafluorosilicon(2-)
Empirical Formula: F6MgSi
Molecular Weight: 166.3809192
EINECS: 241-022-2
Melting point: 120°C
Boiling Point: >120°C
Density 1.788g/cm3
Product Categories: Inorganics
InChI
InChI=1/F6Si.Mg/c1-7(2,3,4,5)6;/q-2;+2
Smiles
[Si-2](F)(F)(F)(F)(F)F.[Mg+2]
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Moderately toxic by ingestion. When heated to decomposition it emits toxic vapors of magnesium and F−.
Hazard Codes:
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Risk Statements:
R25 Toxic if swallowed.
Safety Statements:
S45 In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S24/25: Avoid contact with skin and eyes.
Attention:
1. Health Hazard: Highly toxic, may be fatal if inhaled, swallowed or absorbed through skin. Avoid any skin contact. Effects of contact or inhalation may be delayed. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.
2. Fire Hazard Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes. Containers may explode when heated. Runoff may pollute waterways.
Standards and Recommendations
DOT Classification: 6.1; Label: KEEP AWAY FROM FOOD
Specification
Magnesium fluosilicate , with CAS number of 16949-65-8, can be called silicate(2-), hexafluoro-, magnesium (1:1) ; Magnesium hexafluorosilicate(2-) (1:1) Fluosilicate de magnesium . Magnesium fluosilicate (CAS NO.16949-65-8) is used for concrete curing agent and water-proofing agent and for surface treatment and manufacture different building ceramic.