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Magnesium sulfate heptahydrate

Chemical Properties

Melting point 1124°C
Density  2.66
vapor density  <0.01 (vs air)
vapor pressure  <0.1 mm Hg ( 20 °C)
storage temp.  Store at +5°C to +30°C.
solubility  H2O: 1 M at 20 °C, clear, colorless
form  Solid
color  White
Specific Gravity 1.68
PH 5.0-8.0 (25℃, 50mg/mL in H2O)
Water Solubility  Soluble in in water and acid. Slightly soluble in alcohol and glycerol.
λmax λ: 260 nm Amax: 0.010
λ: 280 nm Amax: 0.010
Merck  14,5691
Stability Stable. Non-flammable. May slowly deteriorate in contact with air.
LogP -1.031 (est)
CAS DataBase Reference 10034-99-8(CAS DataBase Reference)
NIST Chemistry Reference magnesium sulfate heptahydrate(10034-99-8)
EPA Substance Registry System Magnesium sulfate heptahydrate (10034-99-8)

Safety Information

Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  24/25-36-26
WGK Germany  1
RTECS  OM4508000
HS Code  28332100
Toxicity man,TDLo,oral,183mg/kg/4H-I (183mg/kg),GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA",Journal of Toxicology, Clinical Toxicology. Vol. 20, Pg. 107, 1983.


Usage And Synthesis

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