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Merck 105886 0500 Magnesium Sulfate Heptahydrate Gr For Analysis 500 GR.
Merck 105886 0500 Magnesium Sulfate Heptahydrate Gr For Analysis 500 GR.

Merck 105886 0500 Magnesium Sulfate Heptahydrate Gr For Analysis 500 GR.

Ürün Kodu:1058860500
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Description
Catalogue Number105886
Synonymsbitter salt, epsom salt, sulfuric acid magnesium salt heptahydrate
DescriptionMagnesium sulfate heptahydrate
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Product Information
CAS number10034-99-8
EC number231-298-2
GradeACS,Reag. Ph Eur
Hill FormulaMgO₄S * 7 H₂O
Chemical formulaMgSO₄ * 7 H₂O
Molar Mass246.5 g/mol
HS Code2833 21 00
Quality LevelMQ300
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Physicochemical Information
Density1.68 g/cm3 (20 °C)
Melting Point1124.0 °C
pH value5.0 - 8.0 (50 g/l, H₂O)
Vapor pressure0.133 hPa (20 °C)
Bulk density900 kg/m3
Solubility710 g/l
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Safety Information according to GHS
RTECSOM4508000
Storage class10 - 13 Other liquids and solids
WGKWGK 1 slightly hazardous to water
Disposal14\nInorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).
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Storage and Shipping Information
StorageStore at +2°C to +30°C.
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Specifications
Assay (complexometric)≥ 99.5 %
Assay (compl.; calc. on dried substance)99.0 - 100.5 %
Identitypasses test
Appearance of solutionpasses test
Insoluble matter≤ 0.005 %
Acidity or alkalinitypasses test
pH-value (5 %; water, 25 °C)5.0 - 8.0
Chloride (Cl)≤ 0.0003 %
Total nitrogen (N)≤ 0.002 %
Nitrate (NO₃)≤ 0.002 %
Heavy metals (ACS)≤ 0.0005 %
As (Arsenic)≤ 0.0002 %
Ca (Calcium)≤ 0.005 %
Cu (Copper)≤ 0.0001 %
Fe (Iron)≤ 0.0001 %
K (Potassium)≤ 0.001 %
Mn (Manganese)≤ 0.0005 %
Na (Sodium)≤ 0.001 %
NH₄ (Ammonium)≤ 0.002 %
Pb (Lead)≤ 0.0001 %
Sr (Strontium)≤ 0.005 %
Loss on drying (400 °C)48.0 - 52.0 %
Corresponds to ACS, Reag. Ph Eur

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