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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Identification

Chemical structure
Display Name:
Magnesium sulphate
EC Number:
231-298-2
EC Name:
Magnesium sulphate
CAS Number:
7487-88-9
Molecular formula:
H2O4S.Mg
IUPAC Name:
magnesium sulphate

Type of Substance

Composition:
mono-constituent substance
Origin:
inorganic

Substance Identifiers open all close all

  • 231-298-2
  • Bitter salts
  • Bittersalt
  • Bitterzout
  • Calcined Kieserite
  • Epsom salt
  • Epsomite
  • Fertak magnesio
  • Fertinagro magnesio
  • Hair salt
  • Kieserite
  • MAGNESIUM SULFATE
  • MSN
  • MagPower
  • Magnesium sulfate
  • Magnesium sulfate anhydrous
  • Magnesium sulfate+calcium sulfate
  • Magnesium sulphate
  • Magnesium sulphate
  • Magnesiumsulfaat
  • Magnesiumsulfaat neutraal
  • Magnesiumsulfaat neutraal
  • Magnesiumsulfat
  • Magnesiumsulfat
  • Magnesiumsulfate
  • Nawóz wapniowo-magnezowy
  • SOM
  • Siarczan magnezu
  • Siarczan wapniowo-magnezowy
  • Sulfate de magnésie
  • Sulfate de magnésium
  • Sulfate of magnesia
  • Sulfate, Magnesium
  • Sulfato de magnesio
  • Sulfuric acid magnesium salt
  • magnesium sulphate
  • sulfuric acid, magnesium salt
  • sulfuric acid, magnesium salt
  • BOD MAGNESIUM SULFATE SOLUTION B
    (No other type specified)
    Mangnesium sulfate heptahydrate
    (hydrate)

    Compositions

    Boundary Composition(s) open all close all



    Constituent 1
    Chemical structure
    Reference substance name:
    magnesium sulfate monohydrate
    CAS Number:
    14168-73-1
    Molecular formula:
    H2MgO5S
    IUPAC Name:
    magnesium sulfate monohydrate


    Constituent 1
    Chemical structure
    Reference substance name:
    Magnesium sulfate dihydrate
    CAS Number:
    17830-05-6
    Molecular formula:
    H4MgO6S
    IUPAC Name:
    Magnesium sulfate dihydrate


    Constituent 1
    Chemical structure
    Reference substance name:
    Magnesium sulfate trihydrate
    CAS Number:
    15320-30-6
    Molecular formula:
    H6MgO7S
    IUPAC Name:
    Magnesium sulfate trihydrate


    Constituent 1
    Chemical structure
    Reference substance name:
    Magnesium sulfate pentahydrate
    CAS Number:
    15553-21-6
    Molecular formula:
    H10MgO9S
    IUPAC Name:
    Magnesium sulfate pentahydrate


    Constituent 1
    Chemical structure
    Reference substance name:
    Magnesium sulfate heptahydrate
    CAS Number:
    10034-99-8
    Molecular formula:
    H14MgO11S
    IUPAC Name:
    Magnesium sulfate heptahydrate

    Legal Entity Composition(s) open all close all

    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Magnesium sulphate
    EC Number:
    231-298-2
    EC Name:
    Magnesium sulphate
    CAS Number:
    7487-88-9
    Molecular formula:
    H2O4S.Mg
    IUPAC Name:
    magnesium sulphate
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    magnesium sulphate heptahydrate
    CAS Number:
    10034-99-8
    Molecular formula:
    MgSO4.7 H2O
    IUPAC Name:
    magnesium sulphate heptahydrate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Magnesium sulphate
    EC Number:
    231-298-2
    EC Name:
    Magnesium sulphate
    CAS Number:
    7487-88-9
    Molecular formula:
    H2O4S.Mg
    IUPAC Name:
    magnesium sulphate
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Magnesium sulphate
    EC Number:
    231-298-2
    EC Name:
    Magnesium sulphate
    CAS Number:
    7487-88-9
    Molecular formula:
    H2O4S.Mg
    IUPAC Name:
    magnesium sulphate
    State Form:
    other: Solid


    Constituent 1
    Chemical structure
    Reference substance name:
    Magnesium sulphate
    EC Number:
    231-298-2
    EC Name:
    Magnesium sulphate
    CAS Number:
    7487-88-9
    Molecular formula:
    H2O4S.Mg
    IUPAC Name:
    magnesium sulphate
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Magnesium sulphate
    EC Number:
    231-298-2
    EC Name:
    Magnesium sulphate
    CAS Number:
    7487-88-9
    Molecular formula:
    H2O4S.Mg
    IUPAC Name:
    magnesium sulphate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Magnesium sulphate
    EC Number:
    231-298-2
    EC Name:
    Magnesium sulphate
    CAS Number:
    7487-88-9
    Molecular formula:
    H2O4S.Mg
    IUPAC Name:
    magnesium sulphate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Kieserite
    CAS Number:
    14567-64-7
    Molecular formula:
    Mg(SO4).H2O
    IUPAC Name:
    Kieserite
    Constituent 2
    Chemical structure
    Reference substance name:
    Dolomite
    CAS Number:
    16389-88-1
    Molecular formula:
    MgCa(CO3)2
    IUPAC Name:
    Dolomite
    Constituent 3
    Chemical structure
    Reference substance name:
    magnesium sulphate monohydrate
    CAS Number:
    14567-64-7
    Molecular formula:
    MgSO4·1.25H2O
    IUPAC Name:
    magnesium sulphate monohydrate
    Constituent 4
    Chemical structure
    Reference substance name:
    Calcium sulfate hemihydrate
    CAS Number:
    10034-76-1
    Molecular formula:
    CaSO4·0.5H2O
    IUPAC Name:
    Calcium sulfate hemihydrate
    Constituent 5
    Chemical structure
    Reference substance name:
    Calcium sulfate
    EC Number:
    231-900-3
    EC Name:
    Calcium sulfate
    CAS Number:
    17830-18-1
    Molecular formula:
    MgSO4•6(H2O)
    IUPAC Name:
    Magnesium sulfate hexahydrate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Magnesium sulphate
    EC Number:
    231-298-2
    EC Name:
    Magnesium sulphate
    CAS Number:
    7487-88-9
    Molecular formula:
    H2O4S.Mg
    IUPAC Name:
    magnesium sulphate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Magnesium sulphate
    EC Number:
    231-298-2
    EC Name:
    Magnesium sulphate
    CAS Number:
    7487-88-9
    Molecular formula:
    H2O4S.Mg
    IUPAC Name:
    magnesium sulphate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Sulfuric acid, magnesium salt, hydrate (1:1:7)
    EC Number:
    600-073-4
    CAS Number:
    10034-99-8
    Molecular formula:
    MgSO4*7H2O
    IUPAC Name:
    Sulfuric acid, magnesium salt, hydrate (1:1:7)
    State Form:
    solid: particulate/powder


    Constituent 1