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Sulfates

Magnesium sulfate heptahydrate (13142)

extra pure, meets analytical specification of Ph. Eur., BP, USP, FCC, assay (calc. to the dried substance) 99.5 - 100.5%

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General Information

  • Application
    • Industrial
  • Molar Mass
    • 246.47 g/mol
  • CAS Number
    • 10034-99-8

Physical Properties

  • Physical Form
    • Crystalline powder
  • Melting Point/Range
    • 1,124 °C Decomposes before melting
  • Odor
    • Odorless
  • Vapor Pressure
    • Not applicable
  • Density
    • 1.68 g/cm3 20 °C
  • Solubility in Water
    • 20 °C
  • pH
    • 5.0 to 9.2 25 °C
  • Color
    • Colorless
  • Boiling Point/Range
    • Not Determined

Safety Information

  • Flammability
    • The product is not flammable.
  • Chemical Stability
    • Stable under normal conditions.
  • Thermal Decomposition
    • Loss of water of crystallization on heating.
  • Incompatible Materials
    • None known
  • Self Ignition
    • Not auto-flammable

International Transportation

  • Harmonized System Code
    • 2833210000

General Information

  • Application
    • Industrial
  • Molar Mass
    • 246.47 g/mol
  • CAS Number
    • 10034-99-8

Physical Properties

  • Physical Form
    • Crystalline powder
  • Melting Point/Range
    • 1,124 °C Decomposes before melting
  • Odor
    • Odorless
  • Vapor Pressure
    • Not applicable
  • Density
    • 1.68 g/cm3 20 °C
  • Solubility in Water
    • 20 °C
  • pH
    • 5.0 to 9.2 25 °C
  • Color
    • Colorless
  • Boiling Point/Range
    • Not Determined

Safety Information

  • Flammability
    • The product is not flammable.
  • Chemical Stability
    • Stable under normal conditions.
  • Thermal Decomposition
    • Loss of water of crystallization on heating.
  • Incompatible Materials
    • None known
  • Self Ignition
    • Not auto-flammable

International Transportation

  • Harmonized System Code
    • 2833210000
  • Application : Industrial
  • Molar Mass : 246.47 g/mol
  • CAS Number : 10034-99-8
  • Physical Form : Crystalline powder
  • Melting Point/Range : 1,124 °C Decomposes before melting
  • Odor : Odorless
  • Vapor Pressure : Not applicable
  • Density : 1.68 g/cm3 20 °C
  • Solubility in Water : 20 °C
  • pH : 5.0 to 9.2 25 °C
  • Color : Colorless
  • Boiling Point/Range : Not Determined
  • Flammability : The product is not flammable.
  • Chemical Stability : Stable under normal conditions.
  • Thermal Decomposition : Loss of water of crystallization on heating.
  • Incompatible Materials : None known
  • Self Ignition : Not auto-flammable
  • Harmonized System Code : 2833210000
Image
SKU
Description
alt
10242353
MAGNESIUM SULFATE-7-HYDRATE 25,0KS
Property
Value
assay (calc. to the dried substance)
99.5 - 100.5 %
loss on drying (450°C)
48.0 - 52.0 %
pH (5 %, 25 °C)
5.0 - 9.2
free acid (as H2SO4)
Max. 0.01 %
free alkali (as MgO)
Max. 0.004 %
acidity or alkalinity
complying
arsenic (As)
Max. 2 ppm
iron (Fe)
Max. 20 ppm
lead (Pb)
Max. 4 ppm
selenium (Se)
Max. 30 ppm
heavy metals (as Pb)
Max. 10 ppm
chloride (Cl)
Max. 100 ppm
residual solvents
complying
appearance of the solution
complying