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Calcium sulphate hemi-hydratH2Ca2O9S2

CAS-No.:
26499-65-0
EINECS No.:
607-950-0
Hazard signs
GHS07
Occupational exposure limit
NIOSH (REL) (US)
  • TWA (mg/m3 (inh)) 10
  • TWA (mg/m3 (resp)) 5
OSHA (PEL) (US)
  • TWA (mg/m3 (inh)) 15
  • TWA (mg/m3 (resp)) 5

Hiện không có hệ thống GHS nào.

  • Melting point:
    163 °C
  • Density (at 20 °C):
    2,76 g/cm3
  • Vapor Pressure (at 20 °C):
    0 (approx) hPa
  •  
Also known as:
  • Anhydrit
  • Annalin
  • Crystacal
  • Densite
  • Drierite
  • Gypsum hemihydrate
  • Hemihydrate gypsum
  • Plaster of Paris
  • Plaster of Paris (Ca(SO4).1/2H2O)

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