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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
Hydrocarbons, C5-rich
EC Number:
270-695-5
EC Name:
Hydrocarbons, C5-rich
CAS Number:
68476-55-1
Molecular formula:
The molecular formula shown is of the predominant constituent of this UVCB substance, cyclopentane CAS# 287-92-3: C5H10 The molecular weight shown below is of the predominant constituent of this UVCB substance, cyclopentane CAS# 287-92-3
IUPAC Name:
2-methylbutane

Type of Substance

Composition:
UVCB
Origin:
petroleum product

Substance Identifiers open all close all

  • C5 Dienes crude
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    liquid


    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:
    Ethylbenzene
    EC Number:
    202-849-4
    EC Name:
    Ethylbenzene
    CAS Number:
    100-41-4
    Molecular formula:
    C8H10
    IUPAC Name:
    ethylbenzene
    Constituent 3
    Chemical structure
    Reference substance name:
    Toluene
    EC Number:
    203-625-9
    EC Name:
    Toluene
    CAS Number:
    108-88-3
    Molecular formula:
    C7H8
    IUPAC Name:
    toluene
    Constituent 4
    Chemical structure
    Reference substance name:
    N-hexane
    EC Number:
    203-777-6
    EC Name:
    N-hexane
    CAS Number:
    110-54-3
    Molecular formula:
    C6H14
    IUPAC Name:
    hexane
    Constituent 5
    Chemical structure
    Reference substance name:
    Cyclohexane
    EC Number:
    203-806-2
    EC Name:
    Cyclohexane
    CAS Number:
    110-82-7
    Molecular formula:
    C6H12
    IUPAC Name:
    cyclohexane
    Constituent 6
    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 7
    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 8
    Chemical structure
    Reference substance name:
    2-methylpentane
    EC Number:
    203-523-4
    EC Name:
    2-methylpentane
    CAS Number:
    107-83-5
    Molecular formula:
    C6H14
    IUPAC Name:
    2-methylpentane
    Constituent 9
    Chemical structure
    Reference substance name:
    Cyclopentane
    EC Number:
    206-016-6
    EC Name:
    Cyclopentane
    CAS Number:
    287-92-3
    Molecular formula:
    C5H10
    IUPAC Name:
    cyclopentane
    Constituent 10
    Chemical structure
    Reference substance name:
    Xylene
    EC Number:
    215-535-7
    EC Name:
    Xylene
    CAS Number:
    1330-20-7
    Molecular formula:
    C8H10
    IUPAC Name:
    xylene
    Constituent 11
    Chemical structure
    Reference substance name:
    p-xylene
    EC Number:
    203-396-5
    EC Name:
    p-xylene
    CAS Number:
    106-42-3
    Molecular formula:
    C8H10
    IUPAC Name:
    p-xylene
    Constituent 12
    Chemical structure
    Reference substance name:
    m-xylene
    EC Number:
    203-576-3
    EC Name:
    m-xylene
    CAS Number:
    108-38-3
    Molecular formula:
    C8H10
    IUPAC Name:
    m-xylene
    Constituent 13
    Chemical structure
    Reference substance name:
    o-xylene
    EC Number:
    202-422-2
    EC Name:
    o-xylene
    CAS Number:
    95-47-6
    Molecular formula:
    C8H10
    IUPAC Name:
    o-xylene
    Constituent 14
    Chemical structure
    Reference substance name:
    Methylcyclopentane
    EC Number:
    202-503-2
    EC Name:
    Methylcyclopentane
    CAS Number:
    96-37-7
    Molecular formula:
    C6H12
    IUPAC Name:
    methylcyclopentane
    Constituent 15
    Chemical structure
    Reference substance name:
    Methylcyclohexane
    EC Number:
    203-624-3
    EC Name:
    Methylcyclohexane
    CAS Number:
    108-87-2
    Molecular formula:
    C7H14
    IUPAC Name:
    methylcyclohexane
    Constituent 16
    Chemical structure
    Reference substance name:
    Isoprene
    EC Number:
    201-143-3
    EC Name:
    Isoprene
    CAS Number:
    78-79-5
    Molecular formula:
    C5H8
    IUPAC Name:
    2-methylbuta-1,3-diene
    Constituent 17
    Chemical structure
    Reference substance name:
    Cyclopentadiene
    EC Number:
    208-835-4
    EC Name:
    Cyclopentadiene
    CAS Number:
    542-92-7
    Molecular formula:
    C5H6
    IUPAC Name:
    cyclopenta-1,3-diene
    Constituent 18
    Chemical structure
    Reference substance name:
    Heptane
    EC Number:
    205-563-8
    EC Name:
    Heptane
    CAS Number:
    142-82-5
    Molecular formula:
    C7H16
    IUPAC Name:
    heptane
    Constituent 19
    Chemical structure
    Reference substance name:
    2-methylbut-2-ene
    EC Number:
    208-156-3
    EC Name:
    2-methylbut-2-ene
    CAS Number:
    513-35-9
    Molecular formula:
    C5H10
    IUPAC Name:
    2-methylbut-2-ene

    Legal Entity Composition(s) open all close all

    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Cyclopentane
    EC Number:
    206-016-6
    EC Name:
    Cyclopentane
    CAS Number:
    287-92-3
    Molecular formula:
    C5H10
    IUPAC Name:
    cyclopentane
    Constituent 2
    Chemical structure
    Reference substance name:
    2-methylpentane
    EC Number:
    203-523-4
    EC Name:
    2-methylpentane
    CAS Number:
    107-83-5
    Molecular formula:
    C6H14
    IUPAC Name:
    2-methylpentane
    Constituent 3
    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 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:
    3-methylpentane
    EC Number:
    202-481-4
    EC Name:
    3-methylpentane
    CAS Number:
    96-14-0
    Molecular formula:
    C6H14
    IUPAC Name:
    3-methylpentane
    Constituent 6
    Chemical structure
    Reference substance name:
    N-hexane
    EC Number:
    203-777-6
    EC Name:
    N-hexane
    CAS Number:
    110-54-3
    Molecular formula:
    C6H14
    IUPAC Name:
    hexane
    Constituent 7
    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 8
    Chemical structure
    Reference substance name:
    2,2-dimethylbutane
    EC Number:
    200-906-8
    EC Name:
    2,2-dimethylbutane
    CAS Number:
    75-83-2
    Molecular formula:
    C6H14
    IUPAC Name:
    2,2-dimethylbutane
    Constituent 9
    Chemical structure
    Reference substance name:
    2,3-dimethylbutane
    EC Number:
    201-193-6
    EC Name:
    2,3-dimethylbutane
    CAS Number:
    79-29-8
    Molecular formula:
    C6H14
    IUPAC Name:
    2,3-dimethylbutane
    State Form:
    liquid


    Constituent 1
    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 2
    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 3
    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 1
    Reference substance name:
    Hydrocarbons, C5-rich
    EC Number:
    270-695-5
    EC Name:
    Hydrocarbons, C5-rich
    CAS Number:
    68476-55-1
    Molecular formula:
    The molecular formula shown is of the predominant constituent of this UVCB substance, cyclopentane CAS# 287-92-3: C5H10 The molecular weight shown below is of the predominant constituent of this UVCB substance, cyclopentane CAS# 287-92-3
    IUPAC Name:
    2-methylbutane


    Constituent 1
    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 2
    Chemical structure
    Reference substance name:
    N-hexane
    EC Number:
    203-777-6
    EC Name:
    N-hexane
    CAS Number:
    110-54-3
    Molecular formula:
    C6H14
    IUPAC Name:
    hexane
    Constituent 3
    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 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-methylbut-2-ene
    EC Number:
    208-156-3
    EC Name:
    2-methylbut-2-ene
    CAS Number:
    513-35-9
    Molecular formula:
    C5H10
    IUPAC Name:
    2-methylbut-2-ene
    Constituent 6
    Chemical structure
    Reference substance name:
    Cyclopentane
    EC Number:
    206-016-6
    EC Name:
    Cyclopentane
    CAS Number:
    287-92-3
    Molecular formula:
    C5H10
    IUPAC Name:
    cyclopentane
    Constituent 7
    Reference substance name:
    n-Paraffins
    IUPAC Name:
    n-Paraffins
    Constituent 8
    Reference substance name:
    Naphthenics
    IUPAC Name:
    Naphthenics
    Constituent 9
    Reference substance name:
    Isoparaffins
    IUPAC Name:
    Isoparaffins
    Constituent 10
    Reference substance name:
    Olefins
    IUPAC Name:
    Olefins