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CALCIUM SULFATE (ANHYDROUS)ICSC: 1589
Sulfuric acid, calcium salt (1:1)November 2009
CAS #: 7778-18-9
EC Number: 231-900-3

  ACUTE HAZARDS PREVENTION FIRE FIGHTING
FIRE & EXPLOSION Not combustible. Gives off irritating or toxic fumes (or gases) in a fire.        In case of fire in the surroundings, use appropriate extinguishing media.   

   
  SYMPTOMS PREVENTION FIRST AID
Inhalation Cough.  Use local exhaust or breathing protection.  Fresh air, rest. 
Skin   Protective gloves.  Rinse and then wash skin with water and soap. 
Eyes Redness.  Wear safety goggles.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
Ingestion Abdominal pain.  Do not eat, drink, or smoke during work.  Rinse mouth. Give one or two glasses of water to drink. 

SPILLAGE DISPOSAL CLASSIFICATION & 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. 

According to UN GHS Criteria

No hazard classification according to GHS criteria 

Transportation
UN Classification
 

STORAGE
Dry. 
PACKAGING
 
CALCIUM SULFATE (ANHYDROUS) ICSC: 1589
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
WHITE HYGROSCOPIC POWDER OR CRYSTALLINE POWDER. 

Physical dangers
 

Chemical dangers
 

Formula: CaSO4
Molecular mass: 136.14
Decomposes at 1450°C
Density: 2.9 g/cm³
Solubility in water, g/100ml at 20°C: 0.2 (very good) 


EXPOSURE & HEALTH EFFECTS

Routes of exposure
 

Effects of short-term exposure
May cause mechanical irritation. Ingestion could cause gastrointestinal blockage. 

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

Effects of long-term or repeated exposure
Lungs may be affected by repeated or prolongated exposure to dust particles if crystalline silica is present. 


OCCUPATIONAL EXPOSURE LIMITS
TLV: (inhalable fraction): 10 mg/m3, as TWA.
MAK: (inhalable fraction): 4 mg/m3; pregnancy risk group: C.
MAK: (respirable fraction): 1.5 mg/m3; pregnancy risk group: C 

ENVIRONMENT
 

NOTES
May contain a small amounts of crystalline silica.
See ICSCs 1215 and 1734. 

ADDITIONAL INFORMATION
  EC Classification
 

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    See Also:
       Toxicological Abbreviations