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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
Isobutane
EC Number:
200-857-2
EC Name:
Isobutane
CAS Number:
75-28-5
Molecular formula:
C4H10
IUPAC Name:
2-methylpropane

Type of Substance

Composition:
mono-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • 1,1-Dimethylethane
  • 2-Methylpropane
  • A 31
  • A 31 (hydrocarbon)
  • Butanes
  • Hydrocarbons, C3-4
  • Isobutane
  • LPG
  • Propane, 2-methyl- (8CI, 9CI)
  • R 600a
  • Trimethylmethane
  • butanes
  • i-butane
  • iso-Butane
  • isobutane
  • Изобутан
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    gas


    Constituent 1
    Chemical structure
    Reference substance name:
    Isobutane
    EC Number:
    200-857-2
    EC Name:
    Isobutane
    CAS Number:
    75-28-5
    Molecular formula:
    C4H10
    IUPAC Name:
    2-methylpropane
    State Form:
    gas


    Constituent 1
    Chemical structure
    Reference substance name:
    Isobutane
    EC Number:
    200-857-2
    EC Name:
    Isobutane
    CAS Number:
    75-28-5
    Molecular formula:
    C4H10
    IUPAC Name:
    2-methylpropane

    Legal Entity Composition(s) open all close all



    Constituent 1
    Chemical structure
    Reference substance name:
    Isobutane
    EC Number:
    200-857-2
    EC Name:
    Isobutane
    CAS Number:
    75-28-5
    Molecular formula:
    C4H10
    IUPAC Name:
    2-methylpropane
    State Form:
    gas


    Constituent 1
    Chemical structure
    Reference substance name:
    Isobutane
    EC Number:
    200-857-2
    EC Name:
    Isobutane
    CAS Number:
    75-28-5
    Molecular formula:
    C4H10
    IUPAC Name:
    2-methylpropane
    State Form:
    gas


    Constituent 1
    Chemical structure
    Reference substance name:
    Isobutane
    EC Number:
    200-857-2
    EC Name:
    Isobutane
    CAS Number:
    75-28-5
    Molecular formula:
    C4H10
    IUPAC Name:
    2-methylpropane
    State Form:
    gas


    Constituent 1
    Chemical structure
    Reference substance name:
    Isobutane
    EC Number:
    200-857-2
    EC Name:
    Isobutane
    CAS Number:
    75-28-5
    Molecular formula:
    C4H10
    IUPAC Name:
    2-methylpropane
    State Form:
    gas


    Constituent 1
    Chemical structure
    Reference substance name:
    Isobutane
    EC Number:
    200-857-2
    EC Name:
    Isobutane
    CAS Number:
    75-28-5
    Molecular formula:
    C4H10
    IUPAC Name:
    2-methylpropane
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Isobutane
    EC Number:
    200-857-2
    EC Name:
    Isobutane
    CAS Number:
    75-28-5
    Molecular formula:
    C4H10
    IUPAC Name:
    2-methylpropane
    State Form:
    other: gas


    Constituent 1
    Chemical structure
    Reference substance name:
    Isobutane
    EC Number:
    200-857-2
    EC Name:
    Isobutane
    CAS Number:
    75-28-5
    Molecular formula:
    C4H10
    IUPAC Name:
    2-methylpropane
    State Form:
    gas


    Constituent 1
    Chemical structure
    Reference substance name:
    Isobutane
    EC Number:
    200-857-2
    EC Name:
    Isobutane
    CAS Number:
    75-28-5
    Molecular formula:
    C4H10
    IUPAC Name:
    2-methylpropane
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Isobutane
    EC Number:
    200-857-2
    EC Name:
    Isobutane
    CAS Number:
    75-28-5
    Molecular formula:
    C4H10
    IUPAC Name:
    2-methylpropane
    State Form:
    gas


    Constituent 1
    Chemical structure
    Reference substance name:
    Isobutane
    EC Number:
    200-857-2
    EC Name:
    Isobutane
    CAS Number:
    75-28-5
    Molecular formula:
    C4H10
    IUPAC Name:
    2-methylpropane
    State Form:
    gas
    Degree of purity:
    > 80 - < 100 % (w/w)


    Constituent 1
    Chemical structure
    Reference substance name:
    Isobutane
    EC Number:
    200-857-2
    EC Name:
    Isobutane
    CAS Number:
    75-28-5
    Molecular formula:
    C4H10
    IUPAC Name:
    2-methylpropane
    Impurity 1
    Chemical structure
    Reference substance name:
    Butane
    EC Number:
    203-448-7
    EC Name:
    Butane
    CAS Number:
    106-97-8
    Molecular formula:
    C4H10
    IUPAC Name:
    butane
    Impurity 2
    Chemical structure
    Reference substance name:
    Propane
    EC Number:
    200-827-9
    EC Name:
    Propane
    CAS Number:
    74-98-6
    Molecular formula:
    C3H8
    IUPAC Name:
    propane
    Impurity 3
    Chemical structure
    Reference substance name:
    But-1-ene
    EC Number:
    203-449-2
    EC Name:
    But-1-ene
    CAS Number:
    106-98-9
    Molecular formula:
    C4H8
    IUPAC Name:
    but-1-ene
    Impurity 4
    Chemical structure
    Reference substance name:
    2-methylpropene
    EC Number:
    204-066-3
    EC Name:
    2-methylpropene
    CAS Number:
    115-11-7
    Molecular formula:
    C4H8
    IUPAC Name:
    2-methylprop-1-ene
    Impurity 5
    Chemical structure
    Reference substance name:
    Buta-1,3-diene
    EC Number:
    203-450-8
    EC Name:
    Buta-1,3-diene
    CAS Number:
    106-99-0
    Molecular formula:
    C4H6
    IUPAC Name:
    buta-1,3-diene
    State Form:
    gas


    Constituent 1
    Chemical structure
    Reference substance name:
    Isobutane
    EC Number:
    200-857-2
    EC Name:
    Isobutane
    CAS Number:
    75-28-5
    Molecular formula:
    C4H10
    IUPAC Name:
    2-methylpropane
    State Form:
    gas


    Constituent 1
    Chemical structure
    Reference substance name:
    Isobutane
    EC Number:
    200-857-2
    EC Name:
    Isobutane
    CAS Number:
    75-28-5
    Molecular formula:
    C4H10
    IUPAC Name:
    2-methylpropane


    Constituent 1
    Chemical structure
    Reference substance name:
    Isobutane
    EC Number:
    200-857-2
    EC Name:
    Isobutane
    CAS Number:
    75-28-5
    Molecular formula:
    C4H10
    IUPAC Name:
    2-methylpropane
    State Form:
    other: liquefied gas


    Constituent 1
    Chemical structure
    Reference substance name:
    Isobutane
    EC Number:
    200-857-2
    EC Name:
    Isobutane
    CAS Number:
    75-28-5
    Molecular formula:
    C4H10
    IUPAC Name:
    2-methylpropane
    State Form:
    other: liquefied gas


    Constituent 1
    Chemical structure
    Reference substance name:
    Isobutane
    EC Number:
    200-857-2
    EC Name:
    Isobutane
    CAS Number:
    75-28-5
    Molecular formula:
    C4H10
    IUPAC Name:
    2-methylpropane
    Constituent 2
    Chemical structure
    Reference substance name:
    Butane
    EC Number:
    203-448-7
    EC Name:
    Butane
    CAS Number:
    106-97-8
    Molecular formula:
    C4H10
    IUPAC Name:
    butane
    State Form:
    other: liquid gas


    Constituent 1
    Chemical structure
    Reference substance name:
    Isobutane
    EC Number:
    200-857-2
    EC Name:
    Isobutane
    CAS Number:
    75-28-5
    Molecular formula:
    C4H10
    IUPAC Name:
    2-methylpropane


    Constituent 1
    Chemical structure
    Reference substance name:
    Isobutane
    EC Number:
    200-857-2
    EC Name:
    Isobutane
    CAS Number:
    75-28-5
    Molecular formula:
    C4H10
    IUPAC Name:
    2-methylpropane


    Constituent 1
    Chemical structure
    Reference substance name:
    Isobutane
    EC Number:
    200-857-2
    EC Name:
    Isobutane
    CAS Number:
    75-28-5
    Molecular formula:
    C4H10
    IUPAC Name:
    2-methylpropane


    Constituent 1
    Chemical structure
    Reference substance name:
    Isobutane
    EC Number:
    200-857-2
    EC Name:
    Isobutane
    CAS Number:
    75-28-5
    Molecular formula:
    C4H10
    IUPAC Name:
    2-methylpropane
    Degree of purity:
    > 80 % (w/w)


    Constituent 1
    Chemical structure
    Reference substance name:
    Isobutane
    EC Number:
    200-857-2
    EC Name:
    Isobutane
    CAS Number:
    75-28-5
    Molecular formula:
    C4H10
    IUPAC Name:
    2-methylpropane
    Impurity 1
    Chemical structure
    Reference substance name:
    Butane
    EC Number:
    203-448-7
    EC Name:
    Butane
    CAS Number:
    106-97-8
    Molecular formula:
    C4H10
    IUPAC Name:
    butane
    Impurity 2
    Chemical structure
    Reference substance name:
    Propane
    EC Number:
    200-827-9
    EC Name:
    Propane
    CAS Number:
    74-98-6
    Molecular formula:
    C3H8
    IUPAC Name:
    propane

    Composition(s) generated upon use

    Other types of composition(s)