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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Type of Substance

Composition:
mono-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • 203-449-2
  • 246-689-3
  • EC#246-689-3 and CAS#25167-67-3
  • But-1-ene
  • 1-Butene
  • 1-Butylene
  • 1-butene
  • 1-butylene
  • But-1-ene
  • Butene
  • Butene-1
  • Engage polyolefin elastomers
  • Wire&cable product ranges
  • alpha-Butylene
  • alpha-butylene
  • but-1-ene
  • butene-1
  • n-Butylene
  • 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
    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
    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:
    gas


    Constituent 1
    Reference substance name:
    1-butene
    IUPAC Name:
    1-butene


    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
    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

    Legal Entity Composition(s) open all close all

    State Form:
    gas
    Degree of purity:
    >= 99.6 - <= 100 % (w/w)


    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
    Impurity 1
    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:
    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