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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
Fatty acids, coco, 2-sulfoethyl esters, sodium salts
EC Number:
263-052-5
EC Name:
Fatty acids, coco, 2-sulfoethyl esters, sodium salts
CAS Number:
61789-32-0
Molecular formula:
UVCB substance
IUPAC Name:
sodium 2-(cocoyloxy)ethanesulfonate

Type of Substance

Composition:
UVCB
Origin:
organic

Substance Identifiers open all close all

  • PUREACT I-78C
  • Pureact I-85C
  • Pureact I-85F
  • Sodium cocoyl isethionate
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    sodium 2-(hexanoyloxy)ethanesulfonate
    Molecular formula:
    C8H15NaO5S
    IUPAC Name:
    sodium 2-(hexanoyloxy)ethanesulfonate
    Constituent 2
    Chemical structure
    Reference substance name:
    sodium 2-(octanoyloxy)ethanesulfonate
    Molecular formula:
    C10H19O5S.Na
    IUPAC Name:
    sodium 2-(octanoyloxy)ethanesulfonate
    Constituent 3
    Chemical structure
    Reference substance name:
    sodium 2-(decanoyloxy)ethanesulfonate
    Molecular formula:
    C12H23O5S.Na
    IUPAC Name:
    sodium 2-(decanoyloxy)ethanesulfonate
    Constituent 4
    Chemical structure
    Reference substance name:
    sodium 2-(dodecanoyloxy)ethanesulfonate
    Molecular formula:
    C14H27O5S.Na
    IUPAC Name:
    sodium 2-(dodecanoyloxy)ethanesulfonate
    Constituent 5
    Chemical structure
    Reference substance name:
    sodium 2-(tetradecanoyloxy)ethanesulfonate
    Molecular formula:
    C16H31O5S.Na
    IUPAC Name:
    sodium 2-(tetradecanoyloxy)ethanesulfonate
    Constituent 6
    Chemical structure
    Reference substance name:
    sodium 2-(hexadecanoyloxy)ethanesulfonate
    Molecular formula:
    C18H35O5S.Na
    IUPAC Name:
    sodium 2-(hexadecanoyloxy)ethanesulfonate
    Constituent 7
    Chemical structure
    Reference substance name:
    sodium 2-(octadecanoyloxy)ethanesulfonate
    Molecular formula:
    C20H39O5S.Na
    IUPAC Name:
    sodium 2-(octadecanoyloxy)ethanesulfonate
    Constituent 8
    Chemical structure
    Reference substance name:
    sodium 2-[(9Z)-octadec-9-enoyloxy]ethanesulfonate
    Molecular formula:
    C20H37O5S.Na
    IUPAC Name:
    sodium 2-[(9Z)-octadec-9-enoyloxy]ethanesulfonate
    Constituent 9
    Reference substance name:
    Fatty acids, coco
    EC Number:
    262-978-7
    EC Name:
    Fatty acids, coco
    CAS Number:
    61788-47-4
    Molecular formula:
    unspecified UVCB substance
    IUPAC Name:
    Cocoalkyl fatty acid
    Constituent 10
    Chemical structure
    Reference substance name:
    Sodium 2-hydroxyethanesulphonate
    EC Number:
    216-343-6
    EC Name:
    Sodium 2-hydroxyethanesulphonate
    CAS Number:
    1562-00-1
    Molecular formula:
    C2H6O4S.Na
    IUPAC Name:
    sodium 2-hydroxyethanesulfonate
    Constituent 11
    Chemical structure
    Reference substance name:
    Sodium ethylenesulphonate
    EC Number:
    221-242-5
    EC Name:
    Sodium ethylenesulphonate
    CAS Number:
    3039-83-6
    Molecular formula:
    C2H4O3S.Na
    IUPAC Name:
    sodium ethenesulfonate

    Legal Entity Composition(s) open all close all

    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    sodium 2-(hexanoyloxy)ethanesulfonate
    Molecular formula:
    C8H15NaO5S
    IUPAC Name:
    sodium 2-(hexanoyloxy)ethanesulfonate
    Constituent 2
    Chemical structure
    Reference substance name:
    sodium 2-(octanoyloxy)ethanesulfonate
    Molecular formula:
    C10H19O5S.Na
    IUPAC Name:
    sodium 2-(octanoyloxy)ethanesulfonate
    Constituent 3
    Chemical structure
    Reference substance name:
    sodium 2-(decanoyloxy)ethanesulfonate
    Molecular formula:
    C12H23O5S.Na
    IUPAC Name:
    sodium 2-(decanoyloxy)ethanesulfonate
    Constituent 4
    Chemical structure
    Reference substance name:
    sodium 2-(dodecanoyloxy)ethanesulfonate
    Molecular formula:
    C14H27O5S.Na
    IUPAC Name:
    sodium 2-(dodecanoyloxy)ethanesulfonate
    Constituent 5
    Chemical structure
    Reference substance name:
    sodium 2-(tetradecanoyloxy)ethanesulfonate
    Molecular formula:
    C16H31O5S.Na
    IUPAC Name:
    sodium 2-(tetradecanoyloxy)ethanesulfonate
    Constituent 6
    Chemical structure
    Reference substance name:
    sodium 2-(hexadecanoyloxy)ethanesulfonate
    Molecular formula:
    C18H35O5S.Na
    IUPAC Name:
    sodium 2-(hexadecanoyloxy)ethanesulfonate
    Constituent 7
    Chemical structure
    Reference substance name:
    sodium 2-(octadecanoyloxy)ethanesulfonate
    Molecular formula:
    C20H39O5S.Na
    IUPAC Name:
    sodium 2-(octadecanoyloxy)ethanesulfonate
    Constituent 8
    Chemical structure
    Reference substance name:
    sodium 2-[(9Z)-octadec-9-enoyloxy]ethanesulfonate
    Molecular formula:
    C20H37O5S.Na
    IUPAC Name:
    sodium 2-[(9Z)-octadec-9-enoyloxy]ethanesulfonate
    Constituent 9
    Reference substance name:
    Fatty acids, coco
    EC Number:
    262-978-7
    EC Name:
    Fatty acids, coco
    CAS Number:
    61788-47-4
    Molecular formula:
    unspecified UVCB substance
    IUPAC Name:
    Cocoalkyl fatty acid
    Constituent 10
    Chemical structure
    Reference substance name:
    Sodium 2-hydroxyethanesulphonate
    EC Number:
    216-343-6
    EC Name:
    Sodium 2-hydroxyethanesulphonate
    CAS Number:
    1562-00-1
    Molecular formula:
    C2H6O4S.Na
    IUPAC Name:
    sodium 2-hydroxyethanesulfonate
    Constituent 11
    Chemical structure
    Reference substance name:
    Sodium ethylenesulphonate
    EC Number:
    221-242-5
    EC Name:
    Sodium ethylenesulphonate
    CAS Number:
    3039-83-6
    Molecular formula:
    C2H4O3S.Na
    IUPAC Name:
    sodium ethenesulfonate
    Constituent 12
    Chemical structure
    Reference substance name:
    disodium 2,2'-oxydiethanesulfonate
    Molecular formula:
    C4H8Na2O7S2
    IUPAC Name:
    disodium 2,2'-oxydiethanesulfonate
    State Form:
    other: pellets


    Constituent 1
    Chemical structure
    Reference substance name:
    sodium 2-(octanoyloxy)ethanesulfonate
    Molecular formula:
    C10H19O5S.Na
    IUPAC Name:
    sodium 2-(octanoyloxy)ethanesulfonate
    Constituent 2
    Chemical structure
    Reference substance name:
    sodium 2-(decanoyloxy)ethanesulfonate
    Molecular formula:
    C12H23O5S.Na
    IUPAC Name:
    sodium 2-(decanoyloxy)ethanesulfonate
    Constituent 3
    Chemical structure
    Reference substance name:
    Sodium 2-sulphonatoethyl laurate
    EC Number:
    230-949-8
    EC Name:
    Sodium 2-sulphonatoethyl laurate
    CAS Number:
    7381-01-3
    Molecular formula:
    C14H27O5S.Na
    IUPAC Name:
    sodium 2-(dodecanoyloxy)ethanesulfonate
    Constituent 4
    Chemical structure
    Reference substance name:
    sodium 2-(tetradecanoyloxy)ethanesulfonate
    Molecular formula:
    C16H31O5S.Na
    IUPAC Name:
    sodium 2-(tetradecanoyloxy)ethanesulfonate
    Constituent 5
    Chemical structure
    Reference substance name:
    sodium 2-(hexadecanoyloxy)ethanesulfonate
    Molecular formula:
    C18H35O5S.Na
    IUPAC Name:
    sodium 2-(hexadecanoyloxy)ethanesulfonate
    Constituent 6
    Chemical structure
    Reference substance name:
    sodium 2-(octadecanoyloxy)ethanesulfonate
    Molecular formula:
    C20H39O5S.Na
    IUPAC Name:
    sodium 2-(octadecanoyloxy)ethanesulfonate
    State Form:
    other: Solid (noodles)


    Constituent 1
    Reference substance name:
    impurities not relevant to classification
    Molecular formula:
    impurities not relevant to classification
    IUPAC Name:
    impurities not relevant to classification
    Constituent 2
    Chemical structure
    Reference substance name:
    sodium 2-(octadecanoyloxy)ethanesulfonate
    Molecular formula:
    C20H39O5S.Na
    IUPAC Name:
    sodium 2-(octadecanoyloxy)ethanesulfonate
    Constituent 3
    Chemical structure
    Reference substance name:
    sodium 2-(hexadecanoyloxy)ethanesulfonate
    Molecular formula:
    C18H35O5S.Na
    IUPAC Name:
    sodium 2-(hexadecanoyloxy)ethanesulfonate
    Constituent 4
    Chemical structure
    Reference substance name:
    sodium 2-(tetradecanoyloxy)ethanesulfonate
    Molecular formula:
    C16H31O5S.Na
    IUPAC Name:
    sodium 2-(tetradecanoyloxy)ethanesulfonate
    Constituent 5
    Chemical structure
    Reference substance name:
    sodium 2-(dodecanoyloxy)ethanesulfonate
    Molecular formula:
    C14H27O5S.Na
    IUPAC Name:
    sodium 2-(dodecanoyloxy)ethanesulfonate
    Constituent 6
    Chemical structure
    Reference substance name:
    sodium 2-(decanoyloxy)ethanesulfonate
    Molecular formula:
    C12H23O5S.Na
    IUPAC Name:
    sodium 2-(decanoyloxy)ethanesulfonate
    Constituent 7
    Chemical structure
    Reference substance name:
    sodium 2-(octanoyloxy)ethanesulfonate
    Molecular formula:
    C10H19O5S.Na
    IUPAC Name:
    sodium 2-(octanoyloxy)ethanesulfonate
    Constituent 8
    Chemical structure
    Reference substance name:
    sodium 1,4-bis[(2-ethylhexyl)oxy]-1,4-dioxobutane-2-sulfonate
    CAS Number:
    1562-00-1
    Molecular formula:
    C2H6O4S.Na
    IUPAC Name:
    sodium 1,4-bis[(2-ethylhexyl)oxy]-1,4-dioxobutane-2-sulfonate
    Constituent 9
    Chemical structure
    Reference substance name:
    sodium ethylenesulphonate
    CAS Number:
    3039-83-6
    Molecular formula:
    C2H4O3S.Na
    IUPAC Name:
    sodium ethylenesulphonate
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Octanoic acid, 2-sulfoethyl ester, sodium salt (1:1)
    CAS Number:
    38207-61-3
    Molecular formula:
    C10 H19 O5 S Na
    IUPAC Name:
    Octanoic acid, 2-sulfoethyl ester, sodium salt (1:1)
    Constituent 2
    Chemical structure
    Reference substance name:
    Sodium 2-sulphoethyl decanoate
    EC Number:
    249-638-3
    EC Name:
    Sodium 2-sulphoethyl decanoate
    CAS Number:
    29454-06-6
    Molecular formula:
    C12H24O5S.Na
    IUPAC Name:
    sodium 2-sulphoethyl decanoate
    Constituent 3
    Chemical structure
    Reference substance name:
    Sodium 2-sulphonatoethyl laurate
    EC Number:
    230-949-8
    EC Name:
    Sodium 2-sulphonatoethyl laurate
    CAS Number:
    7381-01-3
    Molecular formula:
    C14H27O5S.Na
    IUPAC Name:
    sodium 2-(dodecanoyloxy)ethanesulfonate
    Constituent 4
    Chemical structure
    Reference substance name:
    Tetradecanoic acid, 2-sulfoethyl ester, sodium salt (1:1)
    CAS Number:
    37747-10-7
    Molecular formula:
    C16 H31 O5 S Na
    IUPAC Name:
    Tetradecanoic acid, 2-sulfoethyl ester, sodium salt (1:1)
    Constituent 5
    Chemical structure
    Reference substance name:
    Sodium 2-(palmitoyloxy)ethane-1-sulphonate
    EC Number:
    253-273-5
    EC Name:
    Sodium 2-(palmitoyloxy)ethane-1-sulphonate
    CAS Number:
    36915-65-8
    Molecular formula:
    C18H36O5S.Na
    IUPAC Name:
    sodium 2-(palmitoyloxy)ethanesulfonate
    Constituent 6
    Chemical structure
    Reference substance name:
    Sodium 2-sulphonatoethyl hydrogen stearate
    EC Number:
    249-785-3
    EC Name:
    Sodium 2-sulphonatoethyl hydrogen stearate
    CAS Number:
    29703-73-9
    Molecular formula:
    C20H40O5S.Na
    IUPAC Name:
    sodium 2-(stearoyloxy)ethanesulfonate
    Constituent 7
    Chemical structure
    Reference substance name:
    Octadecenoic acid, 2-sulfoethyl ester, sodium salt (1:1)
    Molecular formula:
    C20 H37 O5 S Na
    IUPAC Name:
    Octadecenoic acid, 2-sulfoethyl ester, sodium salt (1:1)
    Constituent 8
    Reference substance name:
    Free fatty acids and their salts
    Molecular formula:
    no molecular formula
    IUPAC Name:
    Free fatty acids and their salts
    Constituent 9
    Chemical structure
    Reference substance name:
    Sodium 2-hydroxyethanesulphonate
    EC Number:
    216-343-6
    EC Name:
    Sodium 2-hydroxyethanesulphonate
    CAS Number:
    1562-00-1
    Molecular formula:
    C2H6O4S.Na
    IUPAC Name:
    sodium 2-hydroxyethanesulfonate
    Constituent 10
    Chemical structure
    Reference substance name:
    Sodium ethylenesulphonate
    EC Number:
    221-242-5
    EC Name:
    Sodium ethylenesulphonate
    CAS Number:
    3039-83-6
    Molecular formula:
    C2H4O3S.Na
    IUPAC Name:
    sodium ethenesulfonate
    Constituent 11
    Chemical structure
    Reference substance name:
    Ethylene dilaurate
    EC Number:
    210-827-0
    EC Name:
    Ethylene dilaurate
    CAS Number:
    624-04-4
    Molecular formula:
    C26H50O4
    IUPAC Name:
    ethane-1,2-diyl didodecanoate
    Constituent 12
    Chemical structure
    Reference substance name:
    Water
    EC Number:
    231-791-2
    EC Name:
    Water
    CAS Number:
    7732-18-5
    Molecular formula:
    H2O
    IUPAC Name:
    water
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    sodium 2-(octanoyloxy)ethanesulfonate
    Molecular formula:
    C10H19O5S.Na
    IUPAC Name:
    sodium 2-(octanoyloxy)ethanesulfonate
    Constituent 2
    Chemical structure
    Reference substance name:
    sodium 2-(decanoyloxy)ethanesulfonate
    Molecular formula:
    C12H23O5S.Na
    IUPAC Name:
    sodium 2-(decanoyloxy)ethanesulfonate
    Constituent 3
    Chemical structure
    Reference substance name:
    sodium 2-(dodecanoyloxy)ethanesulfonate
    Molecular formula:
    C14H27O5S.Na
    IUPAC Name:
    sodium 2-(dodecanoyloxy)ethanesulfonate
    Constituent 4
    Chemical structure
    Reference substance name:
    sodium 2-(tetradecanoyloxy)ethanesulfonate
    Molecular formula:
    C16H31O5S.Na
    IUPAC Name:
    sodium 2-(tetradecanoyloxy)ethanesulfonate
    Constituent 5
    Chemical structure
    Reference substance name:
    sodium 2-(hexadecanoyloxy)ethanesulfonate
    Molecular formula:
    C18H35O5S.Na
    IUPAC Name:
    sodium 2-(hexadecanoyloxy)ethanesulfonate
    Constituent 6
    Chemical structure
    Reference substance name:
    sodium 2-(octadecanoyloxy)ethanesulfonate
    Molecular formula:
    C20H39O5S.Na
    IUPAC Name:
    sodium 2-(octadecanoyloxy)ethanesulfonate
    Constituent 7
    Reference substance name:
    unknown impurities
    IUPAC Name:
    unknown impurities
    Constituent 8
    Reference substance name:
    Fatty acids, coco
    EC Number:
    262-978-7
    EC Name:
    Fatty acids, coco
    CAS Number:
    61788-47-4
    Molecular formula:
    unspecified UVCB substance
    IUPAC Name:
    Cocoalkyl fatty acid
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    sodium 2-(tetradecanoyloxy)ethane-1-sulfonate
    Molecular formula:
    C16H31NaO5S
    IUPAC Name:
    sodium 2-(tetradecanoyloxy)ethane-1-sulfonate
    Constituent 2
    Chemical structure
    Reference substance name:
    sodium 2-(octanoyloxy)ethane-1-sulfonate
    Molecular formula:
    C10H19NaO5S
    IUPAC Name:
    sodium 2-(octanoyloxy)ethane-1-sulfonate