Sodium silicate Silicic acid, sodium salt Waterglass
CAS #: 1344-09-8
EC Number: 215-687-4
FIRE & EXPLOSION
In case of fire in the surroundings, use appropriate extinguishing media.
PREVENT GENERATION OF MISTS!
Cough. Sore throat.
Use ventilation. Use local exhaust.
Fresh air, rest.
First rinse with plenty of water for at least 15 minutes, then remove contaminated clothes and rinse again. Refer for medical attention .
Wear face shield.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.
Diarrhoea. Nausea. Vomiting.
Do not eat, drink, or smoke during work.
Rinse mouth. Give one or two glasses of water to drink. Do NOT induce vomiting. Refer for medical attention .
CLASSIFICATION & LABELLING
Collect leaking and spilled liquid in sealable containers as far as possible. Absorb remaining liquid in sand or inert absorbent. Then store and dispose of according to local regulations. Personal protection: self-contained breathing apparatus.
According to UN GHS Criteria
Transportation UN Classification
Separated from strong acids, aluminium and zinc.
SODIUM SILICATE (solution 25-50%)
PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance COLOURLESS 25-50% SODIUM SILICATE SOLUTION IN WATER.
Chemical dangers The solution in water is a medium strong base. Reacts with aluminium and zinc. This produces flammable/explosive gas (hydrogen - see ICSC 0001).
Relative density (water = 1): 1.4 Solubility in water at 20°C: miscible
EXPOSURE & HEALTH EFFECTS
Routes of exposure The substance can be absorbed into the body by inhalation and by ingestion.
Effects of short-term exposure The aerosol is irritating to the eyes, skin and respiratory tract.
Inhalation risk Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly on spraying.
Effects of long-term or repeated exposure
OCCUPATIONAL EXPOSURE LIMITS
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