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SODIUM SILICATE (solution 25-50%)ICSC: 1137
October 2001
CAS #: 1344-09-8Sodium silicate
Silicic acid, sodium salt
Waterglass
EINECS #: 215-687-4

  ACUTE HAZARDS PREVENTION FIRE FIGHTING
FIRE & EXPLOSION Not combustible.        In case of fire in the surroundings, use appropriate extinguishing media.   

 PREVENT GENERATION OF MISTS!  
  SYMPTOMS ACUTE HAZARDS FIRST AID
Inhalation Cough. Sore throat.  Use ventilation. Use local exhaust.  Fresh air, rest. 
Skin Redness. Pain.  Protective gloves.  First rinse with plenty of water for at least 15 minutes, then remove contaminated clothes and rinse again. Refer for medical attention . 
Eyes Redness. Pain.  Wear face shield.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
Ingestion 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 . 

SPILLAGE DISPOSAL 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
 

STORAGE
Separated from strong acids, aluminium and zinc. 
PACKAGING
 
SODIUM SILICATE (solution 25-50%) ICSC: 1137
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
COLOURLESS 25-50% SODIUM SILICATE SOLUTION IN WATER. 

Physical dangers
 

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). 

Formula: Na2Si3O7

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
 

ENVIRONMENT
 

NOTES
 

ADDITIONAL INFORMATION
  EC Classification
 

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       Toxicological Abbreviations