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MAGNESIUM SULPHATE HEPTAHYDRATE Extra Pure

(Confirms to IP, BP, USP)
Epsom salt

COAs

Packings

500 g (00500)

5000 g (05000)

25 Kg (0025K)

50 Kg (0050K)

1PW1200500 1PW1206500 1PDL00040K 1PDLP0065K
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Article No. 04477 Grade Extra Pure
Purity 99% CAS No. 10034-99-8
Molecular Formula MgSO4.7H2O Molecular Weight 246.47
H.S. Code 2833.2100 Shelf Life 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 Vapour pressure [20°C] < 0.133 hPa at 20 °C
Density [g/cm3] 1.678 Solubility in water [% weight] 246.48 g/l at 20 °C - completely soluble

Specifications

Appearance Colorless crystals or a white, crystalline powder Assay (on dried basis) 99.0 - 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%
Revision Date: 14-Jun-2023

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