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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
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-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene

Type of Substance

Composition:
mono-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • 1,1'-methylenebis(4-isocyanatobenzene)
  • 1,1`-methylenebis(4-isocyanatobenzene)
  • 4,4'-Diisocyanatodiphenylmethane
  • 4,4'-Diphenylmethane diisocyanate
  • 4,4'-MDI
  • 4,4'-Methylenebis(isocyanatobenzene)
  • 4,4'-Methylenebis(phenyl isocyanate)
  • 4,4'-Methylenebis(phenylisocyanate)
  • 4,4'-Methylenediphenyldiisocyanate
  • 4,4'Methylendi-p-phenylenediisocyanate
  • 4,4`-Diisocyanatodiphenylmethane
  • 4,4`-MDI
  • 4,4`-Methylenebis(phenyl isocyanate)
  • 4,4`-Methylenedi-p-phenylenediisocyanate
  • 4,4`-Methylenediphenyldiisocyanate
  • 4,4`-Methylenediphenylene isocyanate
  • 4,4´-Diphenylmethane diisocyanate
  • 4,4´-Methylenebis(isocyanatobenzene)
  • Benzene, 1,1'-methylenebis(4-isocyanato-(9CI))
  • Benzene, 1,1`-methylenebis(4-isocyanato-(9CI)
  • Bis(1,4-isocyanatophenyl)methane
  • Bis(4-isocyanatophenyl)methane
  • Bis(p-isocyanatophenyl)methane
  • Desmodur 44 M
  • Di(4-isocyanatophenyl)methane
  • Diphenylmethane 4,4`-diisocyanate
  • Diphenylmethane diisocyanate
  • Diphenylmethane-4,4'-diisocyanate
  • Diphenylmethanediisocyanate
  • Diphenylmethylene diisocyanate
  • Diphenymethane-4,4'-diisocyanate
  • ISONATE* M124
  • ISONATE* M125
  • ISONATE* M125 M
  • Isocyanic acid, diphenylmethylene ester
  • Isocyanic acid, methylenedi-p-phenylene ester (6CI, 8CI)
  • Isocyanic acid, methylenedi-p-phenylene ester (6CI,8CI)
  • MDI
  • Methylenebis(4-isocyanatobenzene)
  • Methylenebis(4-phenyl isocyanate)
  • Methylenebis(4-phenylene isocyanate)
  • Methylenebis(p-phenyl isocyanate)
  • Methylenebis(p-phenylene isocyanate)
  • Methylenebis-p-phenylene diisocyanate
  • Methylenebisphenylene diisocyanate
  • Methylenebisphenylenediisocyanate
  • Methylenedi-p-phenylene diisocyanate
  • Methylenedi-p-phenylene isocyanate
  • Name
  • isocyanaic acid, methylene di-p-phenyleneester(6CI,8CI)
  • methylene-di-p-phenylene diisocyanate
  • methylenebis(p-phenylene isocyanate)
  • p,p'-Diphenylmethane diisocyanate
  • p,p'-Methylenebis(phenyl isocyanate)
  • p,p`-Diphenylmethane diisocyanate
  • p,p`-Methylenebis(phenyl isocyanate)
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: bulk


    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-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene

    Legal Entity Composition(s) open all close all

    State Form:
    solid: bulk


    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-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene
    State Form:
    solid: bulk


    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-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene
    State Form:
    solid: bulk


    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-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene
    State Form:
    solid: bulk
    Degree of purity:
    >= 80 - <= 100 % (w/w)


    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-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene
    Impurity 1
    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
    Additive 1
    Chemical structure
    Reference substance name:
    Triphenyl phosphite
    EC Number:
    202-908-4
    EC Name:
    Triphenyl phosphite
    CAS Number:
    101-02-0
    Molecular formula:
    C18H15O3P
    IUPAC Name:
    triphenyl phosphite
    State Form:
    solid: particulate/powder


    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-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene
    State Form:
    solid: particulate/powder
    Degree of purity:
    90 - 100 % (w/w)


    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-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene
    Impurity 1
    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
    State Form:
    solid: bulk


    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-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene
    State Form:
    solid: particulate/powder


    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-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene
    State Form:
    other: Solid


    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-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene
    State Form:
    solid: bulk


    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-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene
    State Form:
    solid: bulk


    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-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene
    State Form:
    solid: bulk
    Degree of purity:
    90 - 100 % (w/w)


    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-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene
    Impurity 1
    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
    State Form:
    solid: bulk


    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-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene
    Degree of purity:
    90 - 100 % (w/w)


    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-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene
    Impurity 1
    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
    State Form:
    solid: particulate/powder


    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-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene


    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-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene
    State Form:
    other: fragmented solid material


    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-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene
    State Form:
    solid: bulk


    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-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene
    State Form:
    solid: particulate/powder


    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-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene
    State Form:
    solid: bulk


    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-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene


    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-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene
    State Form:
    solid: particulate/powder


    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-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene


    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-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene
    State Form:
    solid: particulate/powder


    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-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene
    Degree of purity:
    >= 80 - <= 100 % (w/w)


    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-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene
    Impurity 1
    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
    Additive 1
    Chemical structure
    Reference substance name:
    Triphenyl phosphite
    EC Number:
    202-908-4
    EC Name:
    Triphenyl phosphite
    CAS Number:
    101-02-0
    Molecular formula:
    C18H15O3P
    IUPAC Name:
    triphenyl phosphite

    Composition(s) generated upon use

    Other types of composition(s)