Magnesium sulphate heptahydrate (industrial grade)
1, Properties: Molecular formula:MgSO4 7H2O, Molecular weight:246.48, white or colorless crystal, odorless.
2, Technical index
Appearance
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White granular
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Main content
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 99.5%
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MgSO4
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 48.59%
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MgO
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 16.27%
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Mg
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 9.81%
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PH(5W/V%Sol)
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5-8
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Iron(Fe)
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 0.002%
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Cl
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 0.02%
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Heavy metal (Pb)
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 0.001%
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As
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 0.0002%
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Insoluble in water
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 0.01%
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Granular(mm)
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0.1-1, 1-3, 2-4
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3, Uses: there are no toxic matter, thus it is widely used in drug, fertilizer, leather, printing, dyeing, pigment, ceramic, explosive, match, fireproof material, magnesium salt and feed additive.

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