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BENTONITE
ICSC: 0384
Peer-Review Status: 06.05.2010 Validated
Wilkinite
Montmorillonit 
CAS #: 1302-78-9 RTECS #: CT9450000
EINECS #: 215-108-5
   

TYPES OF
HAZARD /
EXPOSURE
ACUTE HAZARDS / SYMPTOMS      PREVENTION      FIRST AID / FIRE FIGHTING
FIRE Not combustible.    In case of fire in the surroundings: all extinguishing agents allowed. 
EXPLOSION      
 
EXPOSURE   PREVENT DISPERSION OF DUST!   
Inhalation Cough.  Avoid inhalation of dust. Use local exhaust or breathing protection.  Fresh air, rest. 
Skin Redness.  Protective gloves.  Rinse and then wash skin with water and soap. 
Eyes Redness. Pain.  Wear safety goggles or eye protection in combination with breathing protection.  Rinse with plenty of water (remove contact lenses if easily possible). 
Ingestion   Do not eat, drink, or smoke during work.   

SPILLAGE DISPOSAL
PACKAGING & LABELLING
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting. Wash away remainder with plenty of water.   
EC Classification
 
UN Classification
 
GHS Classification
Signal: Danger
Causes damage to the lungs through prolonged or repeated exposure if inhaled 
cancer;health haz

EMERGENCY RESPONSE SAFE STORAGE
  Dry. 

IMPORTANT DATA
Physical State; Appearance
GREY TO WHITE POWDER OR LUMPS. 

Physical dangers
No data. 

Chemical dangers
 

Occupational exposure limits
TLV not established.
MAK (not established):. 

Routes of exposure
The substance can be absorbed into the body by inhalation. 

Inhalation risk
A nuisance-causing concentration of airborne particles can be reached quickly when dispersed, especially if powdered. 

Effects of short-term exposure
The substance is mildly irritating to the eyes and skin. 

Effects of long-term or repeated exposure
The substance may have effects on the lungs. This may result in fibrosis (see ICSC 0808). 


PHYSICAL PROPERTIES ENVIRONMENTAL DATA
Melting point: >1200°C
Relative density (water = 1): 2.5
Solubility in water: none 
 

NOTES
Bentonites is aluminium silicate and contains crystalline silica.
The content varies widely from less than 1% to about 60%.
Bentonite is a rock formed of highly colloidal and plastic clays composed mainly of montmorillonite. 

ADDITIONAL INFORMATION
 

IPCS
International
Programme on
Chemical Safety
WHO ILO EC Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission
© IPCS 2004-2012
LEGAL NOTICE Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible for the use which might be made of this information.


    See Also:
       Toxicological Abbreviations
       BENTONITE (JECFA Evaluation)