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POTASSIUM SULFATEICSC: 1451
Sulfuric acid dipotassium salt
Dipotassium sulfate
June 2003
CAS #: 7778-80-5
EC Number: 231-915-5

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

   
  SYMPTOMS PREVENTION FIRST AID
Inhalation Cough. Sore throat.  Use local exhaust.  Fresh air, rest. 
Skin Redness.  Protective gloves.  Rinse and then wash skin with water and soap. 
Eyes Redness. Pain.  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. Diarrhoea. Nausea. Vomiting.  Do not eat, drink, or smoke during work.  Give one or two glasses of water to drink. 

SPILLAGE DISPOSAL CLASSIFICATION & LABELLING
Sweep spilled substance into covered containers. Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. 

According to UN GHS Criteria

 

Transportation
UN Classification
 

STORAGE
 
PACKAGING
 
POTASSIUM SULFATE ICSC: 1451
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
COLOURLESS-TO-WHITE CRYSTALS. 

Physical dangers
 

Chemical dangers
Decomposes on heating. This produces sulfur oxides. 

Formula: K2SO4
Molecular mass: 174.3
Boiling point: 1689°C
Melting point: 1067°C
Density: 2.66 g/cm³
Solubility in water, g/100ml at 25°C: 12  


EXPOSURE & HEALTH EFFECTS

Routes of exposure
 

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

Inhalation risk
Evaporation at 20°C is negligible; a nuisance-causing concentration of airborne particles can, however, be reached quickly when dispersed, especially if powdered. 

Effects of long-term or repeated exposure
 


OCCUPATIONAL EXPOSURE LIMITS
 

ENVIRONMENT
 

NOTES
 

ADDITIONAL INFORMATION
  EC Classification
 

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    See Also:
       Toxicological Abbreviations
       POTASSIUM SULFATE (JECFA Evaluation)