MAGNESIUM SULPHATE HEPTAHYDRATE
MAGNESIUM SULPHATE HEPTAHYDRATE Extra Pure
(Confirms to IP, BP, USP)
Short Name: MAGNESIUM SULPHATE HEPTAHYDRATE
Synonym: Epsom salt
Basic Details
Article No.
LG2841
Grade
Extra Pure
Purity
99%
CAS No.
10034-99-8
HS Code
2833.2100
Shelf Life
60 Months
Packings Avialable
Physical Properties
Physical state at 20 °C
Solid
Colour
Colorless crystals
Odour
Odorless
pH value
5 - 8 at 50 g/l
Decomposition point [°C]
>150°C
Vapour pressure [20°C]
Density [g/cm3]
1.678
Solubility in water [% weight]
246.48 g/l at 20 °C - completely soluble
Chemical Specifications
Appearance
Colorless crystals or a white, crystalline powder
Assay (on anhydrous basis)
99 - 100.5%
Solubility
Freely soluble in water, very soluble in boiling water, practically insoluble in alcohol
Identifications
To comply IP, BP, USP tests
Appearance of solution
To comply IP, BP, USP tests
pH (5% solution in water)
5.0 - 9.2
Acidity or alkalinity
To comply IP, BP test
Chloride (Cl)
Max. 0.014%
Heavy metal (as Pb)
Max. 0.001%
Arsenic (As)
Max 0.0002%
Iron (Fe)
Max 0.002%
Selenium (Se)
Max 0.003%
Loss on drying (at 450°C)
48.0 - 52.0%
Safety Information & Hazard Symbols