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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
HDI oligomers, allophanate
EC Number:
939-657-1
Molecular formula:
not applicable (UVCB substance)
IUPAC Name:
HDI oligomers, allophanate

Type of Substance

Composition:
UVCB
Origin:
organic

Substance Identifiers open all close all

  • Desmodur N 31100
  • Desmodur XP 2580
  • Desmodur XP 2860
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    not applicable
    Molecular formula:
    not applicable
    IUPAC Name:
    not applicable
    Constituent 2
    Chemical structure
    Reference substance name:
    (2,4,6-trioxotriazine-1,3,5(2H,4H,6H)-triyl)tris(hexamethylene) isocyanate
    EC Number:
    223-242-0
    EC Name:
    (2,4,6-trioxotriazine-1,3,5(2H,4H,6H)-triyl)tris(hexamethylene) isocyanate
    CAS Number:
    3779-63-3
    Molecular formula:
    C24H36N6O6
    IUPAC Name:
    1,3,5-tris(6-isocyanatohexyl)-1,3,5-triazinane-2,4,6-trione
    Constituent 3
    Chemical structure
    Reference substance name:
    2,4-dioxo-1,3-diazetidine-1,3-bis(hexamethylene) diisocyanate
    EC Number:
    245-699-5
    EC Name:
    2,4-dioxo-1,3-diazetidine-1,3-bis(hexamethylene) diisocyanate
    CAS Number:
    23501-81-7
    Molecular formula:
    C16H24N4O4
    IUPAC Name:
    1,3-bis(6-isocyanatohexyl)-1,3-diazetidine-2,4-dione
    Constituent 4
    Reference substance name:
    Hexamethylene diisocyanate, oligomerisation product (allophanate type) type, higher oligomers
    Molecular formula:
    not applicable (UVCB substance)
    IUPAC Name:
    Hexamethylene diisocyanate, oligomerisation product (allophanate type) type, higher oligomers
    Constituent 5
    Chemical structure
    Reference substance name:
    Hexamethylene diisocyanate
    EC Number:
    212-485-8
    EC Name:
    Hexamethylene diisocyanate
    CAS Number:
    822-06-0
    Molecular formula:
    C8H12N2O2
    IUPAC Name:
    1,6-diisocyanatohexane

    Legal Entity Composition(s) open all close all

    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    not applicable
    Molecular formula:
    not applicable
    IUPAC Name:
    not applicable