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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
Isoprene
EC Number:
201-143-3
EC Name:
Isoprene
CAS Number:
78-79-5
Molecular formula:
C5H8
IUPAC Name:
2-methylbuta-1,3-diene

Type of Substance

Composition:
mono-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • 78-79-5
  • Butyl Reclaimed Rubber
  • IPM
  • Isopren
  • Isoprene
  • Reclaimed Rubber
  • isoprene
  • not applicable
  • rubber powder
  • tire reclaimed rubber
  • tread tire reclaim
  • whole tire reclaim
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    liquid


    Constituent 1
    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

    Legal Entity Composition(s) open all close all

    State Form:
    liquid


    Constituent 1
    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
    State Form:
    liquid


    Constituent 1
    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
    State Form:
    liquid


    Constituent 1
    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
    State Form:
    gas


    Constituent 1
    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
    State Form:
    liquid


    Constituent 1
    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
    State Form:
    liquid


    Constituent 1
    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
    State Form:
    liquid


    Constituent 1
    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
    State Form:
    liquid


    Constituent 1
    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
    State Form:
    liquid


    Constituent 1
    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
    State Form:
    liquid


    Constituent 1
    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 1
    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 1
    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
    State Form:
    other: substance imported as part of a polymer


    Constituent 1
    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 1
    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 1
    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 1
    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

    Composition(s) generated upon use

    Other types of composition(s)