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Sodium fluorosilicate Structure

Sodium fluorosilicate

Chemical Properties

Melting point melts at red heat, decomposing [MER06]
Boiling point 620℃[at 101 325 Pa]
Density  2.68 g/mL at 25 °C(lit.)
vapor pressure  0.01Pa
refractive index  1.310
solubility  insoluble in ethanol
form  Crystals
Specific Gravity 2.68
color  White
Odor odorless
Water Solubility  Slightly soluble in water. Solubility increases with temperature. Insoluble in alcoholSlightly soluble in water. Insoluble in alcohol.
Merck  14,8624
Exposure limits ACGIH: TWA 2.5 mg/m3
NIOSH: IDLH 250 mg/m3; TWA 2.5 mg/m3
Stability Stable. Incompatible with oxidizing agents, water. Moisture sensitive.
LogP 0.001
CAS DataBase Reference 16893-85-9(CAS DataBase Reference)
EPA Substance Registry System Sodium fluosilicate (16893-85-9)

Safety Information

Hazard Codes  T,Xi
Risk Statements  23/24/25
Safety Statements  26-45
RIDADR  UN 2674 6.1/PG 3
WGK Germany  2
RTECS  VV8410000
Hazard Note  Irritant
TSCA  Yes
HazardClass  6.1
PackingGroup  III
HS Code  2826908090
Hazardous Substances Data 16893-85-9(Hazardous Substances Data)
Toxicity LD in rabbits (mg F/kg): 76 intragastric; in rats (mg F/kg): 42 s.c. (Muehlberger); LD in guinea pigs (mg/kg): 250 orally, 500 s.c. (Waldbott)

MSDS

Usage And Synthesis

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