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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
Isooctadecanoic acid
EC Number:
250-178-0
EC Name:
Isooctadecanoic acid
CAS Number:
30399-84-9
Molecular formula:
not applicable (UVCB substance)
IUPAC Name:
2-methylheptadecanoic acid

Type of Substance

Composition:
UVCB
Origin:
organic

Substance Identifiers open all close all

  • PRISORINE 3502
  • PRISORINE 3503
  • PRISORINE 3505
  • PRISORINE 3508
  • RADIACID 0905
  • RADIACID 0907
  • RADIACID 0908
  • RADIACID 0909
  • RADIACID 0917
  • ISOSTEARIC ACID
    (INCI Name)

    Compositions

    Boundary Composition(s)

    Legal Entity Composition(s) open all close all

    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Palmitic acid
    EC Number:
    200-312-9
    EC Name:
    Palmitic acid
    CAS Number:
    57-10-3
    Molecular formula:
    C16H32O2
    IUPAC Name:
    palmitic acid
    Constituent 2
    Chemical structure
    Reference substance name:
    Stearic acid
    EC Number:
    200-313-4
    EC Name:
    Stearic acid
    CAS Number:
    57-11-4
    Molecular formula:
    C18H36O2
    IUPAC Name:
    stearic acid
    Constituent 3
    Chemical structure
    Reference substance name:
    Fatty acids, C18, branched
    Molecular formula:
    C18H36O2
    IUPAC Name:
    Fatty acids, C18, branched
    Constituent 4
    Reference substance name:
    unidentified fatty acids
    Molecular formula:
    no structure available unidentified fatty acids
    IUPAC Name:
    unidentified fatty acids


    Constituent 1
    Chemical structure
    Reference substance name:
    16-methylheptadecanoic acid
    EC Number:
    220-336-3
    EC Name:
    16-methylheptadecanoic acid
    CAS Number:
    2724-58-5
    Molecular formula:
    C18H36O2
    IUPAC Name:
    16-methylheptadecanoic acid
    Constituent 2
    Chemical structure
    Reference substance name:
    Stearic acid
    EC Number:
    200-313-4
    EC Name:
    Stearic acid
    CAS Number:
    57-11-4
    Molecular formula:
    C18H36O2
    IUPAC Name:
    stearic acid
    Constituent 3
    Chemical structure
    Reference substance name:
    Palmitic acid
    EC Number:
    200-312-9
    EC Name:
    Palmitic acid
    CAS Number:
    57-10-3
    Molecular formula:
    C16H32O2
    IUPAC Name:
    palmitic acid
    Constituent 4
    Chemical structure
    Reference substance name:
    Oleic acid
    EC Number:
    204-007-1
    EC Name:
    Oleic acid
    CAS Number:
    112-80-1
    Molecular formula:
    C18H34O2
    IUPAC Name:
    octadec-9-enoic acid
    Constituent 5
    Chemical structure
    Reference substance name:
    Icosanoic acid
    EC Number:
    208-031-3
    EC Name:
    Icosanoic acid
    CAS Number:
    506-30-9
    Molecular formula:
    C20H40O2
    IUPAC Name:
    icosanoic acid
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Palmitic acid
    EC Number:
    200-312-9
    EC Name:
    Palmitic acid
    CAS Number:
    57-10-3
    Molecular formula:
    C16H32O2
    IUPAC Name:
    palmitic acid
    Constituent 2
    Chemical structure
    Reference substance name:
    fatty acids, C16, branched
    Molecular formula:
    C16H32O2
    IUPAC Name:
    fatty acids, C16, branched
    Constituent 3
    Chemical structure
    Reference substance name:
    Heptadecanoic acid
    EC Number:
    208-027-1
    EC Name:
    Heptadecanoic acid
    CAS Number:
    506-12-7
    Molecular formula:
    C17H34O2
    IUPAC Name:
    heptadecanoic acid
    Constituent 4
    Chemical structure
    Reference substance name:
    fatty acids, C17, branched
    Molecular formula:
    C17H34O2
    IUPAC Name:
    fatty acids, C17, branched
    Constituent 5
    Chemical structure
    Reference substance name:
    Stearic acid
    EC Number:
    200-313-4
    EC Name:
    Stearic acid
    CAS Number:
    57-11-4
    Molecular formula:
    C18H36O2
    IUPAC Name:
    stearic acid
    Constituent 6
    Chemical structure
    Reference substance name:
    Fatty acids, C18, branched
    Molecular formula:
    C18H36O2
    IUPAC Name:
    Fatty acids, C18, branched
    Constituent 7
    Chemical structure
    Reference substance name:
    Myristic acid
    EC Number:
    208-875-2
    EC Name:
    Myristic acid
    CAS Number:
    544-63-8
    Molecular formula:
    C14H28O2
    IUPAC Name:
    tetradecanoic acid
    Constituent 8
    Chemical structure
    Reference substance name:
    Pentadecanoic acid
    EC Number:
    213-693-1
    EC Name:
    Pentadecanoic acid
    CAS Number:
    1002-84-2
    Molecular formula:
    C15H30O2
    IUPAC Name:
    pentadecanoic acid
    Constituent 9
    Reference substance name:
    Fatty acids, C17, aromatic
    IUPAC Name:
    Fatty acids, C17, aromatic
    Constituent 10
    Chemical structure
    Reference substance name:
    octadecenoic acid
    Molecular formula:
    C18H34O2
    IUPAC Name:
    octadecenoic acid
    Constituent 11
    Reference substance name:
    Fatty acids, C18, cyclic
    IUPAC Name:
    Fatty acids, C18, cyclic
    Constituent 12
    Reference substance name:
    Fatty acids, C18, aromatic
    IUPAC Name:
    Fatty acids, C18, aromatic
    Constituent 13
    Reference substance name:
    fatty acids, C19, linear and branched
    IUPAC Name:
    fatty acids, C19, linear and branched
    Constituent 14
    Reference substance name:
    rosin acids
    IUPAC Name:
    rosin acids
    Constituent 15
    Reference substance name:
    high boiling compounds
    IUPAC Name:
    high boiling compounds
    Constituent 16
    Reference substance name:
    Unknown constituents
    Molecular formula:
    Not applicable (a generic molecular formula cannot be provided for these unknown constituents)
    IUPAC Name:
    Unknown constituents


    Constituent 1
    Chemical structure
    Reference substance name:
    Fatty acids, C16-18, branched and linear, saturated and unsaturated
    Molecular formula:
    CxHyO2 (x=16-18, y=26-36)
    IUPAC Name:
    Fatty acids, C16-18, branched and linear, saturated and unsaturated
    Constituent 2
    Chemical structure
    Reference substance name:
    Palmitic acid
    EC Number:
    200-312-9
    EC Name:
    Palmitic acid
    CAS Number:
    57-10-3
    Molecular formula:
    C16H32O2
    IUPAC Name:
    palmitic acid
    Constituent 3
    Chemical structure
    Reference substance name:
    Heptadecanoic acid
    EC Number:
    208-027-1
    EC Name:
    Heptadecanoic acid
    CAS Number:
    506-12-7
    Molecular formula:
    C17H34O2
    IUPAC Name:
    heptadecanoic acid
    Constituent 4
    Chemical structure
    Reference substance name:
    Stearic acid
    EC Number:
    200-313-4
    EC Name:
    Stearic acid
    CAS Number:
    57-11-4
    Molecular formula:
    C18H36O2
    IUPAC Name:
    stearic acid
    Constituent 5
    Chemical structure
    Reference substance name:
    Fatty acids, C16, branched
    Molecular formula:
    C16H32O2
    IUPAC Name:
    Fatty acids, C16, branched
    Constituent 6
    Chemical structure
    Reference substance name:
    Fatty acids, C17, branched
    Molecular formula:
    C17H34O2
    IUPAC Name:
    Fatty acids, C17, branched
    Constituent 7
    Chemical structure
    Reference substance name:
    Fatty acids, C18, branched
    Molecular formula:
    C18H36O2
    IUPAC Name:
    Fatty acids, C18, branched
    Constituent 8
    Chemical structure
    Reference substance name:
    Fatty acids, C18, dimers
    Molecular formula:
    not applicable (UVCB substance)
    IUPAC Name:
    Fatty acids, C18, dimers
    Constituent 9
    Chemical structure
    Reference substance name:
    Fatty acids, C18, trimers
    Molecular formula:
    not applicable (UVCB substance)
    IUPAC Name:
    Fatty acids, C18, trimers


    Constituent 1
    Chemical structure
    Reference substance name:
    Palmitic acid
    EC Number:
    200-312-9
    EC Name:
    Palmitic acid
    CAS Number:
    57-10-3
    Molecular formula:
    C16H32O2
    IUPAC Name:
    palmitic acid
    Constituent 2
    Reference substance name:
    Fatty acids, C16, branched
    Molecular formula:
    C16H32O2
    IUPAC Name:
    Fatty acids, C16, branched
    Constituent 3
    Chemical structure
    Reference substance name:
    Heptadecanoic acid
    EC Number:
    208-027-1
    EC Name:
    Heptadecanoic acid
    CAS Number:
    506-12-7
    Molecular formula:
    C17H34O2
    IUPAC Name:
    heptadecanoic acid
    Constituent 4
    Reference substance name:
    Fatty acids, C17, branched
    Molecular formula:
    C17H34O2
    IUPAC Name:
    Fatty acids, C17, branched
    Constituent 5
    Chemical structure
    Reference substance name:
    Stearic acid
    EC Number:
    200-313-4
    EC Name:
    Stearic acid
    CAS Number:
    57-11-4
    Molecular formula:
    C18H36O2
    IUPAC Name:
    stearic acid
    Constituent 6
    Reference substance name:
    Fatty acids, C18, dimers
    Molecular formula:
    not applicable (UVCB substance)
    IUPAC Name:
    Fatty acids, C18, dimers
    Constituent 7
    Reference substance name:
    Fatty acids, C18, branched
    Molecular formula:
    C18H36O2
    IUPAC Name:
    Fatty acids, C18, branched
    Constituent 8
    Reference substance name:
    Fatty acids, C18, trimers
    Molecular formula:
    not applicable (UVCB substance)
    IUPAC Name:
    Fatty acids, C18, trimers


    Constituent 1
    Reference substance name:
    Eicosanoic acid and Isoeicosanoic acid
    Molecular formula:
    C20H40O2
    IUPAC Name:
    Eicosanoic acid and Isoeicosanoic acid
    Constituent 2
    Reference substance name:
    Nonadecanoic acid and branched isomers
    Molecular formula:
    C19H38O2
    IUPAC Name:
    Nonadecanoic acid and branched isomers
    Constituent 3
    Reference substance name:
    Octadecanoic acid and branched isomers
    Molecular formula:
    C18H36O2
    IUPAC Name:
    Octadecanoic acid and branched isomers
    Constituent 4
    Reference substance name:
    Identified as Cyclopentyl tridecanoic acid and isomers
    Molecular formula:
    C18H34O2
    IUPAC Name:
    Identified as Cyclopentyl tridecanoic acid and isomers
    Constituent 5
    Reference substance name:
    Heptadecanoic acid and branched isomers
    Molecular formula:
    C17H34O2
    IUPAC Name:
    Heptadecanoic acid and branched isomers
    Constituent 6
    Reference substance name:
    Hexadecanoic acid and branched isomers
    Molecular formula:
    C16H32O2
    IUPAC Name:
    Hexadecanoic acid and branched isomers
    Constituent 7
    Reference substance name:
    Pentadecanoic acid and branched isomers
    Molecular formula:
    C15H30O2
    IUPAC Name:
    Pentadecanoic acid and branched isomers
    Constituent 8
    Reference substance name:
    Tetradecanoic acid and branched isomers
    Molecular formula:
    C14H28O2
    IUPAC Name:
    Tetradecanoic acid and branched isomers


    Constituent 1
    Chemical structure
    Reference substance name:
    Palmitic acid
    EC Number:
    200-312-9
    EC Name:
    Palmitic acid
    CAS Number:
    57-10-3
    Molecular formula:
    C16H32O2
    IUPAC Name:
    palmitic acid
    Constituent 2
    Chemical structure
    Reference substance name:
    Fatty acids, C16, branched
    Molecular formula:
    C16H32O2
    IUPAC Name:
    Fatty acids, C16, branched
    Constituent 3
    Chemical structure
    Reference substance name:
    Heptadecanoic acid
    EC Number:
    208-027-1
    EC Name:
    Heptadecanoic acid
    CAS Number:
    506-12-7
    Molecular formula:
    C17H34O2
    IUPAC Name:
    heptadecanoic acid
    Constituent 4
    Chemical structure
    Reference substance name:
    Fatty acids, C17, branched
    Molecular formula:
    C17H34O2
    IUPAC Name:
    Fatty acids, C17, branched
    Constituent 5
    Chemical structure
    Reference substance name:
    Stearic acid
    EC Number:
    200-313-4
    EC Name:
    Stearic acid
    CAS Number:
    57-11-4
    Molecular formula:
    C18H36O2
    IUPAC Name:
    stearic acid
    Constituent 6
    Chemical structure
    Reference substance name:
    Fatty acids, C18, branched
    Molecular formula:
    C18H36O2
    IUPAC Name:
    Fatty acids, C18, branched
    Constituent 7
    Chemical structure
    Reference substance name:
    Fatty acids, C18, dimers
    Molecular formula:
    not applicable (UVCB substance)
    IUPAC Name:
    Fatty acids, C18, dimers
    Constituent 8
    Chemical structure
    Reference substance name:
    Fatty acids, C18, trimers
    Molecular formula:
    not applicable (UVCB substance)
    IUPAC Name:
    Fatty acids, C18, trimers
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Octadecanoic acid and branched isomers
    Molecular formula:
    C18H36O2
    IUPAC Name:
    Octadecanoic acid and branched isomers
    Constituent 2
    Chemical structure
    Reference substance name:
    Cyclopentyl tridecanoic acid and isomers
    Molecular formula:
    C18H34O2
    IUPAC Name:
    Cyclopentyl tridecanoic acid and isomers
    Constituent 3
    Chemical structure
    Reference substance name:
    Oleic acid
    EC Number:
    204-007-1
    EC Name:
    Oleic acid
    CAS Number:
    112-80-1
    Molecular formula:
    C18H34O2
    IUPAC Name:
    octadec-9-enoic acid
    Constituent 4
    Chemical structure
    Reference substance name:
    Heptadecanoic acid and branched isomers
    Molecular formula:
    C17H34O2
    IUPAC Name:
    Heptadecanoic acid and branched isomers
    Constituent 5
    Chemical structure
    Reference substance name:
    Nonadecanoic acid and branched isomers
    Molecular formula:
    C19H38O2
    IUPAC Name:
    Nonadecanoic acid and branched isomers
    Constituent 6
    Chemical structure
    Reference substance name:
    Hexadecanoic acid and branched isomers
    Molecular formula:
    C16H32
    IUPAC Name:
    Hexadecanoic acid and branched isomers
    Constituent 7
    Chemical structure
    Reference substance name:
    Eicosanoic acid and branched isomers
    Molecular formula:
    C20H40O2
    IUPAC Name:
    Eicosanoic acid and branched isomers
    Constituent 8
    Chemical structure
    Reference substance name:
    Unknown constituents, none of which are present at >1%
    Molecular formula:
    Unknown
    IUPAC Name:
    Unknown constituents, none of which are present at >1%
    Constituent 9
    Chemical structure
    Reference substance name:
    Pentadecanoic acid and branched isomers
    Molecular formula:
    C15H30O2
    IUPAC Name:
    Pentadecanoic acid and branched isomers
    Constituent 10
    Chemical structure
    Reference substance name:
    Tetradecanoic acid and branched isomers
    Molecular formula:
    C14H28O2
    IUPAC Name:
    Tetradecanoic acid and branched isomers
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Palmitic acid
    EC Number:
    200-312-9
    EC Name:
    Palmitic acid
    CAS Number:
    57-10-3
    Molecular formula:
    C16H32O2
    IUPAC Name:
    palmitic acid
    Constituent 2
    Reference substance name:
    Fatty acids, C16, branched
    Molecular formula:
    C16H32O2
    IUPAC Name:
    Fatty acids, C16, branched
    Constituent 3
    Chemical structure
    Reference substance name:
    Heptadecanoic acid
    EC Number:
    208-027-1
    EC Name:
    Heptadecanoic acid
    CAS Number:
    506-12-7
    Molecular formula:
    C17H34O2
    IUPAC Name:
    heptadecanoic acid
    Constituent 4
    Reference substance name:
    Fatty acids, C17, branched
    Molecular formula:
    C17H34O2
    IUPAC Name:
    Fatty acids, C17, branched
    Constituent 5
    Chemical structure
    Reference substance name:
    Stearic acid
    EC Number:
    200-313-4
    EC Name:
    Stearic acid
    CAS Number:
    57-11-4
    Molecular formula:
    C18H36O2
    IUPAC Name:
    stearic acid
    Constituent 6
    Reference substance name:
    Fatty acids, C18, branched
    Molecular formula:
    C18H36O2
    IUPAC Name:
    Fatty acids, C18, branched
    Constituent 7
    Reference substance name:
    Fatty acids, C18, dimers
    Molecular formula:
    not applicable (UVCB substance)
    IUPAC Name:
    Fatty acids, C18, dimers
    Constituent 8
    Reference substance name:
    Fatty acids, C18, trimers
    Molecular formula:
    not applicable (UVCB substance)
    IUPAC Name:
    Fatty acids, C18, trimers


    Constituent 1
    Chemical structure
    Reference substance name:
    Octadecanoic acid and branched isomers
    Molecular formula:
    C18H36O2
    IUPAC Name:
    Octadecanoic acid and branched isomers
    Constituent 2
    Chemical structure
    Reference substance name:
    Cyclopentyl tridecanoic acid and isomers
    Molecular formula:
    C18H34O2
    IUPAC Name:
    Cyclopentyl tridecanoic acid and isomers
    Constituent 3
    Chemical structure
    Reference substance name:
    Oleic acid
    EC Number:
    204-007-1
    EC Name:
    Oleic acid
    CAS Number:
    112-80-1
    Molecular formula:
    C18H34O2
    IUPAC Name:
    octadec-9-enoic acid
    Constituent 4
    Chemical structure
    Reference substance name:
    Heptadecanoic acid and branched isomers
    Molecular formula:
    C17H34O2
    IUPAC Name:
    Heptadecanoic acid and branched isomers
    Constituent 5
    Chemical structure
    Reference substance name:
    Nonadecanoic acid and branched isomers
    Molecular formula:
    C19H38O2
    IUPAC Name:
    Nonadecanoic acid and branched isomers
    Constituent 6
    Chemical structure
    Reference substance name:
    Hexadecanoic acid and branched isomers
    Molecular formula:
    C16H32
    IUPAC Name:
    Hexadecanoic acid and branched isomers
    Constituent 7
    Chemical structure
    Reference substance name:
    Eicosanoic acid and branched isomers
    Molecular formula:
    C20H40O2
    IUPAC Name:
    Eicosanoic acid and branched isomers
    Constituent 8
    Chemical structure
    Reference substance name:
    Unknown constituents, none of which are present at >1%
    Molecular formula:
    Unknown
    IUPAC Name:
    Unknown constituents, none of which are present at >1%
    Constituent 9
    Chemical structure
    Reference substance name:
    Pentadecanoic acid and branched isomers
    Molecular formula:
    C15H30O2
    IUPAC Name:
    Pentadecanoic acid and branched isomers
    Constituent 10
    Chemical structure
    Reference substance name:
    Tetradecanoic acid and branched isomers
    Molecular formula:
    C14H28O2
    IUPAC Name:
    Tetradecanoic acid and branched isomers

    Composition(s) generated upon use

    Other types of composition(s)