PLASTER OF PARIS | ICSC: 1217 (October 2004) |
Gypsum hemihydrate |
CAS #: 26499-65-0 |
ACUTE HAZARDS | PREVENTION | FIRE FIGHTING | |
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FIRE & EXPLOSION | Not combustible. | In case of fire in the surroundings, use appropriate extinguishing media. |
SYMPTOMS | PREVENTION | FIRST AID | |
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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. Pain. | Wear safety spectacles. | First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. |
Ingestion | Do not eat, drink, or smoke during work. | Rinse mouth. |
SPILLAGE DISPOSAL | CLASSIFICATION & LABELLING |
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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 Transportation |
STORAGE | |
Dry. Well closed. | |
PACKAGING | |
PLASTER OF PARIS | ICSC: 1217 |
PHYSICAL & CHEMICAL INFORMATION | |
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Physical State; Appearance
Physical dangers
Chemical dangers
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Formula: (CaSO4)2.H2O |
EXPOSURE & HEALTH EFFECTS | |
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Routes of exposure
Effects of short-term exposure
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Inhalation risk
Effects of long-term or repeated exposure
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OCCUPATIONAL EXPOSURE LIMITS |
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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 |
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NOTES |
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The apparent melting point caused by loss of crystal water is given. Melting point for the anhydrous form is 1450°C. Other CAS number: 10034-76-1 . |
ADDITIONAL INFORMATION | ||
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EC Classification |
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See Also: Toxicological Abbreviations