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Diss Factsheets

Identification

Chemical structure
Display Name:
4,4'-Methylenediphenyl diisocyanate, oligomers
EC Number:
500-040-3
EC Name:
4,4'-Methylenediphenyl diisocyanate, oligomers
CAS Number:
25686-28-6
Molecular formula:
C14 H10 N O [C29 H20 N4 O2]n NCO nmean = typical 0.04 – 0.23
IUPAC Name:
4,4'-Methylenediphenyl diisocyanate, oligomers

Type of Substance

Composition:
UVCB
Origin:
organic

Substance Identifiers open all close all

  • Carbodiimid modified MDI: Methylenediphenyl diisocyanate, oligomers
  • DESMODUR CD L
  • ISONATE* M143
  • ISONATE* M143L
  • ISONATE* M143LP
  • MDI
  • MDI-Homopolymer
  • Modified MDI
  • modified MDI
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    4,4'-methylenediphenyl diisocyanate
    EC Number:
    202-966-0
    EC Name:
    4,4'-methylenediphenyl diisocyanate
    CAS Number:
    101-68-8
    Molecular formula:
    C15H10N2O2
    IUPAC Name:
    1,1'-methylenebis(4-isocyanatobenzene)
    Constituent 2
    Chemical structure
    Reference substance name:
    o-(p-isocyanatobenzyl)phenyl isocyanate
    EC Number:
    227-534-9
    EC Name:
    o-(p-isocyanatobenzyl)phenyl isocyanate
    CAS Number:
    5873-54-1
    Molecular formula:
    C15H10N2O2
    IUPAC Name:
    1-isocyanato-2-(4-isocyanatobenzyl)benzene
    Constituent 3
    Chemical structure
    Reference substance name:
    2,2'-methylenediphenyl diisocyanate
    EC Number:
    219-799-4
    EC Name:
    2,2'-methylenediphenyl diisocyanate
    CAS Number:
    2536-05-2
    Molecular formula:
    C15H10N2O2
    IUPAC Name:
    1,1'-methylenebis(2-isocyanatobenzene)
    Constituent 4
    Chemical structure
    Reference substance name:
    Higher oligomers of 1,1'-methylenebis(4-isocyanatobenzene) homopolymer
    IUPAC Name:
    Higher oligomers of 1,1'-methylenebis(4-isocyanatobenzene) homopolymer

    Legal Entity Composition(s) open all close all

    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    4,4'-methylenediphenyl diisocyanate
    EC Number:
    202-966-0
    EC Name:
    4,4'-methylenediphenyl diisocyanate
    CAS Number:
    101-68-8
    Molecular formula:
    C15H10N2O2
    IUPAC Name:
    1,1'-methylenebis(4-isocyanatobenzene)
    Constituent 2
    Chemical structure
    Reference substance name:
    o-(p-isocyanatobenzyl)phenyl isocyanate
    EC Number:
    227-534-9
    EC Name:
    o-(p-isocyanatobenzyl)phenyl isocyanate
    CAS Number:
    5873-54-1
    Molecular formula:
    C15H10N2O2
    IUPAC Name:
    1-isocyanato-2-(4-isocyanatobenzyl)benzene
    Constituent 3
    Chemical structure
    Reference substance name:
    2,2'-methylenediphenyl diisocyanate
    EC Number:
    219-799-4
    EC Name:
    2,2'-methylenediphenyl diisocyanate
    CAS Number:
    2536-05-2
    Molecular formula:
    C15H10N2O2
    IUPAC Name:
    1,1'-methylenebis(2-isocyanatobenzene)
    Constituent 4
    Chemical structure
    Reference substance name:
    Dimer of 4,4'-methylenediphenyl diisocyanate
    Molecular formula:
    C15H10N2O2-C15H10N2O2
    IUPAC Name:
    Dimer of 4,4'-methylenediphenyl diisocyanate
    Constituent 5
    Chemical structure
    Reference substance name:
    Higher oligomers of 1,1'-methylenebis(4-isocyanatobenzene) homopolymer
    IUPAC Name:
    Higher oligomers of 1,1'-methylenebis(4-isocyanatobenzene) homopolymer
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    4,4'-methylenediphenyl diisocyanate
    EC Number:
    202-966-0
    EC Name:
    4,4'-methylenediphenyl diisocyanate
    CAS Number:
    101-68-8
    Molecular formula:
    C15H10N2O2
    IUPAC Name:
    1,1'-methylenebis(4-isocyanatobenzene)
    Constituent 2