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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
Butene
EC Number:
246-689-3
EC Name:
Butene
CAS Number:
25167-67-3
Molecular formula:
C4H8
IUPAC Name:
butene

Type of Substance

Composition:
UVCB
Origin:
petroleum product

Substance Identifiers open all close all

  • 25167-67-3
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    gas


    Constituent 1
    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
    Constituent 2
    Chemical structure
    Reference substance name:
    (Z)-but-2-ene
    CAS Number:
    590-18-1
    Molecular formula:
    C4H8
    IUPAC Name:
    (Z)-but-2-ene
    Constituent 3
    Chemical structure
    Reference substance name:
    (E)-but-2-ene
    CAS Number:
    624-64-6
    Molecular formula:
    C4H8
    IUPAC Name:
    (E)-but-2-ene
    Constituent 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

    Legal Entity Composition(s) open all close all

    State Form:
    gas


    Constituent 1
    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
    Constituent 2
    Chemical structure
    Reference substance name:
    (E)-but-2-ene
    CAS Number:
    624-64-6
    Molecular formula:
    C4H8
    IUPAC Name:
    (E)-but-2-ene
    Constituent 3
    Chemical structure
    Reference substance name:
    (Z)-but-2-ene
    CAS Number:
    590-18-1
    Molecular formula:
    C4H8
    IUPAC Name:
    (Z)-but-2-ene
    Constituent 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
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    (E)-but-2-ene
    EC Number:
    210-855-3
    EC Name:
    (E)-but-2-ene
    CAS Number:
    624-64-6
    Molecular formula:
    C4H8
    IUPAC Name:
    but-2-ene
    Constituent 2
    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
    Constituent 3
    Chemical structure
    Reference substance name:
    (Z)-but-2-ene
    EC Number:
    209-673-7
    EC Name:
    (Z)-but-2-ene
    CAS Number:
    590-18-1
    Molecular formula:
    C4H8
    IUPAC Name:
    (Z)-but-2-ene
    Constituent 4
    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
    State Form:
    gas


    Constituent 1
    Chemical structure
    Reference substance name:
    (Z)-but-2-ene
    EC Number:
    209-673-7
    EC Name:
    (Z)-but-2-ene
    CAS Number:
    590-18-1
    Molecular formula:
    C4H8
    IUPAC Name:
    (Z)-but-2-ene
    Constituent 2
    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
    Constituent 3
    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
    Constituent 4
    Chemical structure
    Reference substance name:
    (E)-but-2-ene
    EC Number:
    210-855-3
    EC Name:
    (E)-but-2-ene
    CAS Number:
    624-64-6
    Molecular formula:
    C4H8
    IUPAC Name:
    but-2-ene
    State Form:
    gas


    Constituent 1
    Chemical structure
    Reference substance name:
    (E)-but-2-ene
    EC Number:
    210-855-3
    EC Name:
    (E)-but-2-ene
    CAS Number:
    624-64-6
    Molecular formula:
    C4H8
    IUPAC Name:
    but-2-ene
    Constituent 2
    Reference substance name:
    cis-2-butene
    CAS Number:
    590-18-1
    Molecular formula:
    CH3CHCHCH3
    IUPAC Name:
    cis-2-butene
    Constituent 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
    State Form:
    gas


    Constituent 1
    Chemical structure
    Reference substance name:
    Butene
    EC Number:
    246-689-3
    EC Name:
    Butene
    CAS Number:
    25167-67-3
    Molecular formula:
    C4H8
    IUPAC Name:
    butene
    State Form:
    other: substance is imported as part of a polymer


    Constituent 1
    Chemical structure
    Reference substance name:
    Butene
    EC Number:
    246-689-3
    EC Name:
    Butene
    CAS Number:
    25167-67-3
    Molecular formula:
    C4H8
    IUPAC Name:
    butene


    Constituent 1
    Chemical structure
    Reference substance name:
    Methane
    EC Number:
    200-812-7
    EC Name:
    Methane
    CAS Number:
    74-82-8
    Molecular formula:
    CH4
    IUPAC Name:
    methane
    Constituent 2
    Chemical structure
    Reference substance name:
    Ethane
    EC Number:
    200-814-8
    EC Name:
    Ethane
    CAS Number:
    74-84-0
    Molecular formula:
    C2H6
    IUPAC Name:
    ethane
    Constituent 3
    Chemical structure
    Reference substance name:
    Ethylene
    EC Number:
    200-815-3
    EC Name:
    Ethylene
    CAS Number:
    74-85-1
    Molecular formula:
    C2H4
    IUPAC Name:
    ethylene
    Constituent 4
    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
    Constituent 5
    Chemical structure
    Reference substance name:
    Propene
    EC Number:
    204-062-1
    EC Name:
    Propene
    CAS Number:
    115-07-1
    Molecular formula:
    C3H6
    IUPAC Name:
    prop-1-ene
    Constituent 6
    Chemical structure
    Reference substance name:
    Isobutane
    EC Number:
    200-857-2
    EC Name:
    Isobutane
    CAS Number:
    75-28-5
    Molecular formula:
    C4H10
    IUPAC Name:
    isobutane
    Constituent 7
    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
    Constituent 8
    Chemical structure
    Reference substance name:
    Acetylene
    EC Number:
    200-816-9
    EC Name:
    Acetylene
    CAS Number:
    74-86-2
    Molecular formula:
    C2H2
    IUPAC Name:
    acetylene
    Constituent 9
    Chemical structure
    Reference substance name:
    Allene
    EC Number:
    207-335-3
    EC Name:
    Allene
    CAS Number:
    463-49-0
    Molecular formula:
    C3H4
    IUPAC Name:
    allene
    Constituent 10
    Chemical structure
    Reference substance name:
    (E)-but-2-ene
    EC Number:
    210-855-3
    EC Name:
    (E)-but-2-ene
    CAS Number:
    624-64-6
    Molecular formula:
    C4H8
    IUPAC Name:
    but-2-ene
    Constituent 11
    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
    Constituent 12
    Chemical structure
    Reference substance name:
    2-methylpropene
    CAS Number:
    115-11-7
    Molecular formula:
    C4H8
    IUPAC Name:
    2-methylpropene
    Constituent 13
    Chemical structure
    Reference substance name:
    (Z)-but-2-ene
    EC Number:
    209-673-7
    EC Name:
    (Z)-but-2-ene
    CAS Number:
    590-18-1
    Molecular formula:
    C4H8
    IUPAC Name:
    (Z)-but-2-ene
    Constituent 14
    Chemical structure
    Reference substance name:
    Neopentane
    EC Number:
    207-343-7
    EC Name:
    Neopentane
    CAS Number:
    463-82-1
    Molecular formula:
    C5H12
    IUPAC Name:
    neopentane
    Constituent 15
    Chemical structure
    Reference substance name:
    2-methylbutane
    EC Number:
    201-142-8
    EC Name:
    2-methylbutane
    CAS Number:
    78-78-4
    Molecular formula:
    C5H12
    IUPAC Name:
    isopentane
    Constituent 16
    Chemical structure
    Reference substance name:
    Pentane
    EC Number:
    203-692-4
    EC Name:
    Pentane
    CAS Number:
    109-66-0
    Molecular formula:
    C5H12
    IUPAC Name:
    pentane
    Constituent 17
    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
    Constituent 18
    Chemical structure
    Reference substance name:
    Pentene - Hexane+ Composite
    Molecular formula:
    As this is not a single substance, no molecular formula can be specified.
    IUPAC Name:
    Pentene - Hexane+ Composite


    Constituent 1
    Chemical structure
    Reference substance name:
    Butene
    EC Number:
    246-689-3
    EC Name:
    Butene
    CAS Number:
    25167-67-3
    Molecular formula:
    C4H8
    IUPAC Name:
    butene
    State Form:
    gas


    Constituent 1
    Chemical structure
    Reference substance name:
    Butene
    EC Number:
    246-689-3
    EC Name:
    Butene
    CAS Number:
    25167-67-3
    Molecular formula:
    C4H8
    IUPAC Name:
    butene

    Composition(s) generated upon use

    Other types of composition(s)