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MAGNESIUM SULFATEICSC: 1197
Peer-Review Status: 12.11.2010 Updated
CAS #: 7487-88-9Magnesium sulphate
EINECS #: 231-298-2

  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 ACUTE HAZARDS FIRST AID
Inhalation Cough.  Avoid inhalation of dust.  Fresh air, rest. 
Skin     Rinse skin with plenty of water or shower. 
Eyes Redness.  Wear safety spectacles.  Rinse with plenty of water (remove contact lenses if easily possible). 
Ingestion Abdominal pain. Diarrhoea. Vomiting.  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. Store and dispose of according to local regulations. Wash away remainder with plenty of water. 

According to UN GHS Criteria

 

Transportation
UN Classification
 

STORAGE
Dry. 
PACKAGING
 
MAGNESIUM SULFATE ICSC: 1197
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
HYGROSCOPIC ODOURLESS WHITE CRYSTALS OR POWDER. 

Physical dangers
 

Chemical dangers
Decomposes on heating. This produces toxic and corrosive fumes including sulfur oxides. 

Formula: MgSO4
Molecular mass: 120.4
Decomposes at 1124°C
Density: 2.66 g/cm³
Solubility in water, g/100ml at 20°C: 30 (good) 


EXPOSURE & HEALTH EFFECTS

Routes of exposure
The substance can be absorbed into the body by inhalation of its aerosol and by ingestion. 

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

Inhalation risk
A harmful concentration of airborne particles can be reached quickly , especially if powdered. 

Effects of long-term or repeated exposure
 


Occupational exposure limits
 

ENVIRONMENT
 

NOTES
Magnesium sulfate heptahydrate is also known as Epsom salt or bitter salt.
Other CAS numbers: 14168-73-1 (monohydrate); 17830-05-6 (dihydrate); 15320-30-6 (trihydrate); 15244-29-8 (tetrahydrate); 17830-17-0 (pentahydrate); 17830-18-1 and 13778-97-7 (hexahydrate); 10034-99-8 (heptahydrate); 22189-08-8 (x-hydrate). 

ADDITIONAL INFORMATION
  EC Classification
 

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    See Also:
       Toxicological Abbreviations
       MAGNESIUM SULFATE (JECFA Evaluation)