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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Display Name:
Gases (petroleum), C3-4, isobutane-rich
EC Number:
270-724-1
EC Name:
Gases (petroleum), C3-4, isobutane-rich
CAS Number:
68477-33-8
IUPAC Name:
gases (petroleum), C3-4, isobutane-rich

Type of Substance

Composition:
UVCB
Origin:
petroleum product

Substance Identifiers open all close all

  • C4 isomerate
  • Isobutane
  • isobutane
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    gas


    Constituent 1
    Chemical structure
    Reference substance name:
    Benzene
    EC Number:
    200-753-7
    EC Name:
    Benzene
    CAS Number:
    71-43-2
    Molecular formula:
    C6H6
    IUPAC Name:
    benzene
    Constituent 2
    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 3
    Chemical structure
    Reference substance name:
    Carbon monoxide
    EC Number:
    211-128-3
    EC Name:
    Carbon monoxide
    CAS Number:
    630-08-0
    Molecular formula:
    CO
    IUPAC Name:
    carbon monooxide
    Constituent 4
    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 5
    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 6
    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 7
    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 8
    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:
    (E)-but-2-ene
    Constituent 9
    Chemical structure
    Reference substance name:
    2-butene
    EC Number:
    203-452-9
    EC Name:
    2-butene
    CAS Number:
    107-01-7
    Molecular formula:
    CH3CH=CHCH3
    IUPAC Name:
    but-2-ene
    Constituent 10
    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 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