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Sulfates

Iron(II) sulfate heptahydrate (31236)

analytical reagent, Reag. ACS, Reag. ISO, Reag. Ph. Eur., component in the production of capacitors, assay (manganometric) 99.0 - 103.4%

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General Information

  • CAS Number
    • 7782-63-0
  • Application
    • Industrial
  • Molar Mass
    • 278.01 g/mol

Physical Properties

  • Color
    • Blue Green
  • Vapor Pressure
    • No data available
  • pH
    • 2.5 to 4.0 at 50 g/l (20 °C)
  • Melting Point/Range
    • Elimination of water of crystallisation, 64 °C
  • Odor
    • Odorless
  • Boiling Point/Range
    • No data available
  • Physical Form
    • Crystalline powder

Safety Information

  • Chemical Stability
    • Stable under recommended storage conditions.
  • Flammability
    • The product is not flammable.
  • Incompatible Materials
    • Strong oxidizing agents, Air

International Transportation

  • Harmonized System Code
    • 28332980

General Information

  • CAS Number
    • 7782-63-0
  • Application
    • Industrial
  • Molar Mass
    • 278.01 g/mol

Physical Properties

  • Color
    • Blue Green
  • Vapor Pressure
    • No data available
  • pH
    • 2.5 to 4.0 at 50 g/l (20 °C)
  • Melting Point/Range
    • Elimination of water of crystallisation, 64 °C
  • Odor
    • Odorless
  • Boiling Point/Range
    • No data available
  • Physical Form
    • Crystalline powder

Safety Information

  • Chemical Stability
    • Stable under recommended storage conditions.
  • Flammability
    • The product is not flammable.
  • Incompatible Materials
    • Strong oxidizing agents, Air

International Transportation

  • Harmonized System Code
    • 28332980
  • CAS Number : 7782-63-0
  • Application : Industrial
  • Molar Mass : 278.01 g/mol
  • Color : Blue Green
  • Vapor Pressure : No data available
  • pH : 2.5 to 4.0 at 50 g/l (20 °C)
  • Melting Point/Range : Elimination of water of crystallisation, 64 °C
  • Odor : Odorless
  • Boiling Point/Range : No data available
  • Physical Form : Crystalline powder
  • Chemical Stability : Stable under recommended storage conditions.
  • Flammability : The product is not flammable.
  • Incompatible Materials : Strong oxidizing agents, Air
  • Harmonized System Code : 28332980
Property
Value
assay (manganometric)
99.0 - 103.4 %
water insoluble matter
Max. 0.01 %
pH (5 %, 20°C)
3.0 - 4.0
arsenic (As)
Max. 0.0002 %
calcium (Ca)
Max. 0.005 %
chromium (Cr)
Max. 50 ppm
copper (Cu)
Max. 10 ppm
iron (III)
Max. 0.025 %
potassium (K)
Max. 0.002 %
magnesium (Mg)
Max. 0.002 %
manganese (Mn)
Max. 0.05 %
sodium (Na)
Max. 0.002 %
nickel (Ni)
Max. 50 ppm
lead (Pb)
Max. 0.0005 %
zinc (Zn)
Max. 20 ppm
sub.not precip.b.NH4OH(SO4)
Max. 0.05 %
chloride (Cl)
Max. 10 ppm
phosphate (PO4)
Max. 0.001 %
total N
Max. 0.001 %