Sodium sulfate anhydrous
Disodium sulfate
Sulfuric acid disodium salt
Na2SO4
Molecular mass: 142.1
ICSC # 0952
CAS # 7757-82-6
RTECS # WE1650000
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Types of Hazard/ Exposure
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Acute Hazards/ Symptoms
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Prevention
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First Aid/
Fire Fighting
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FIRE
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Not combustible.
Gives off irritating or toxic fumes (or gases) in a fire.
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In case of fire in the surroundings: use appropriate extinguishing media.
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Explosion
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Exposure
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•Inhalation
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Ventilation.
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Fresh air, rest.
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•Skin
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Protective gloves.
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Rinse and then wash skin with water and soap.
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•Eyes
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Safety spectacles
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First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
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•Ingestion
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Nausea.
Vomiting.
Abdominal pain.
Diarrhoea.
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Do not eat, drink, or smoke during work.
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Give plenty of water to drink.
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Spillage Disposal
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Storage
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Packaging & Labelling
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Personal protection: P1 filter respirator for inert particles.
Sweep spilled substance into covered containers; if appropriate, moisten first to prevent dusting.
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Important Data
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Physical State; Appearance:
HYGROSCOPIC
WHITE
SOLID IN VARIOUS FORMS
Physical Dangers:
Chemical Dangers:
The substance decomposes
on heating
producing
sulfur oxides
and
sodium oxides.
Occupational Exposure Limits:
TLV not established.
MAK not established.
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Routes of Exposure:
Inhalation Risk:
Evaporation at 20°C is negligible; a nuisance-causing concentration of airborne particles can, however, be reached quickly.
Effects of Short-Term Exposure:
The substance may cause effects on the
gastrointestinal tract
when ingested.
Effects of Long-Term or Repeated Exposure:
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Physical
Properties
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Melting point: 884°C
Relative density (water = 1): 2.7
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Solubility in water:
very good
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Environmental
Data
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N O T E S
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ADDITIONAL INFORMATION
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ICSC: 0952
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SODIUM SULFATE
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(C) IPCS, CEC, 1994
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IMPORTANT LEGAL NOTICE:
Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH,
the CEC or the IPCS is responsible for the use which might be made of this
information. This card contains the collective views of the IPCS Peer Review Committee and may
not reflect in all cases all the detailed requirements included in national legislation
on the subject. The user should verify compliance of the cards with the relevant legislation
in the country of use.
The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.
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