Magnesium sulfate heptahydrate

Melting point :1124°C
Density :2.66
bulk density :900kg/m3
vapor density :<0.01 (vs air)
vapor pressure :<0.1 mm Hg ( 20 °C)
refractive index :1.433
storage temp. :Store at +5°C to +30°C.
solubility :H₂O: 1 M at 20 °C, clear, colorless
form :Solid
Specific Gravity :1.68
color :White
PH :5.0-8.0 (25℃, 50mg/mL in H2O)
Odor :Odorless
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
Dielectric constant :8.2（Ambient）
Stability :Stable. Non-flammable. May slowly deteriorate in contact with air.
InChIKey :WRUGWIBCXHJTDG-UHFFFAOYSA-L
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)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352 IF ON SKIN: wash with plenty of soap and water. P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.