MAGNESIUM SULPHATE LR (HEPTAHDYRATE)

MAGNESIUM SULPHATE LR (HEPTAHDYRATE) MAGNESIUM SULPHATE LR (HEPTAHDYRATE)
Article No. Grade Purity Cas no. Molecular Formula Molecular Weight H.S. Code Shelf Life
M0127705000 LR 99% 10034-99-8 MgSO4.7H2O 246.47 2833.2100
60 Months

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

Density [g/cm3]

1.678

Solubility in water [% weight]

246.48 g/l at 20 °C - completely soluble

Vapour pressure [20°C]

< 0.133 hPa at 20 °C

Specifications

Appearance:

 A white, crystalline powder or brilliant, colorless crystals

Chloride (Cl):

 Max. 0.014%

Heavy metal (as Pb):

 Max. 0.001%

Arsenic (As):

 Max 0.0002%

Iron (Fe):

 Max 0.002%

Solubility:

 Freely soluble in water, very soluble in boiling water, practically insoluble in alcohol

Assay (on anhydrous basis):

 99 - 100.5%

Identifications:

 To comply IP, BP, USP tests

Appearance of solution:

 To comply IP, BP, USP tests

Acidity or alkalinity:

 To comply IP, BP test

pH (5% solution in water):

 5.0 - 9.2

Loss on drying (at 450°C):

 48.0 - 52.0%

Selenium (Se):

 Max 0.003%
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Globally Harmonized System of classification and Labelling of Chemicals (GHS)

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