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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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'-methylenediphenyldiisocyanate and 2,4'-diisocyanatodiphenylmethane and their oligomerisation reaction products with 2,2'-oxydiethanol, propane-1,2-diol and butane-1,3-diol
EC Number:
701-276-1
Molecular formula:
C15H10N2O2.(C15H12N2O2.R).n.NCO with R = C3H6O2, C4H8O2, C4H8O3 and n= 0, 1 or for higher concentration ranges of diols, n > 2 with accordingly resulting oligomeric molecule units
IUPAC Name:
4,4'-methylenediphenyldiisocyanate and 2,4'-diisocyanatodiphenylmethane and their oligomerisation reaction products with 2,2'-oxydiethanol, propane-1,2-diol and butane-1,3-diol

Type of Substance

Composition:
UVCB
Origin:
organic

Substance Identifiers open all close all

  • 4,4'-Methylenediphenyl diisocyanate, oligomeric reaction products with butane- 1,3-diol, 2,4'-diisocyanatodiphenylmethane, 2,2'-oxydiethanol and propane-1,2-diol
  • 4,4'-methylenediphenyldiisocyanate and 2,4'-diisocyanatodiphenylmethane and their oligomerisation reaction products with 2,2'-oxydiethanol, propane-1,2-diol and butane-1,3-diol
  • 500-415-1
  • 701-276-1
  • 158885-29-1
  • Iso 115/5
  • Iso 134/39
  • 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:
    2,4-Bis(4-isocyanatobenzyl)phenyl isocyanate
    CAS Number:
    4326-63-0
    Molecular formula:
    C23 H15 N43 O3
    IUPAC Name:
    2,4-Bis(4-isocyanatobenzyl)phenyl isocyanate
    Constituent 5
    Chemical structure
    Reference substance name:
    Oxydiethylene bis[[4-[(4-isocyanatophenyl)methyl]phenyl]carbamate]
    EC Number:
    276-050-4
    EC Name:
    Oxydiethylene bis[[4-[(4-isocyanatophenyl)methyl]phenyl]carbamate]
    CAS Number:
    71832-70-7
    Molecular formula:
    C34H30N4O7
    IUPAC Name:
    oxydiethylene bis[[4-[(4-isocyanatophenyl)methyl]phenyl]carbamate]
    Constituent 6
    Chemical structure
    Reference substance name:
    Propane-1,2- BIS[[4-[(4-ISOCYANATOPHENYL)METHYL]PHENYL]CARBAMATE]
    CAS Number:
    83742-35-2
    Molecular formula:
    C33 H28 N4 O6
    IUPAC Name:
    Propane-1,2- BIS[[4-[(4-ISOCYANATOPHENYL)METHYL]PHENYL]CARBAMATE]
    Constituent 7
    Chemical structure
    Reference substance name:
    Butane1,3- BIS[[4-[(4-ISOCYANATOPHENYL)METHYL]PHENYL]CARBAMATE]
    Molecular formula:
    C34 H30 N4 O6
    IUPAC Name:
    Butane1,3- BIS[[4-[(4-ISOCYANATOPHENYL)METHYL]PHENYL]CARBAMATE]
    Constituent 8
    Chemical structure
    Reference substance name:
    Reaction products of butane-1,3-diol, propane-1,2-diol and 2,2'-oxydiethanol with a surplus of a mixture consisting of 4,4'-MDI, 2,4'-MDI, 2,2'-MDI and higher oligomers of MDI (constituents with molecular weights above 900 g/mol)
    Molecular formula:
    e.g. C51H46N6O10
    IUPAC Name:
    Reaction products of butane-1,3-diol, propane-1,2-diol and 2,2'-oxydiethanol with a surplus of a mixture consisting of 4,4'-MDI, 2,4'-MDI, 2,2'-MDI and higher oligomers of MDI (constituents with molecular weights above 900 g/mol)
    Constituent 9
    Chemical structure
    Reference substance name:
    Ureylenebis(p-phenylenemethylene-p-phenylene) diisocyanate
    EC Number:
    298-531-8
    EC Name:
    Ureylenebis(p-phenylenemethylene-p-phenylene) diisocyanate
    CAS Number:
    93805-48-2
    Molecular formula:
    C29H22N4O3
    IUPAC Name:
    1,3-Bis[4-[(4-isocyanatophenyl)methyl]phenyl]urea

    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:
    2,4-Bis(4-isocyanatobenzyl)phenyl isocyanate
    CAS Number:
    4326-63-0
    Molecular formula:
    C23 H15 N43 O3
    IUPAC Name:
    2,4-Bis(4-isocyanatobenzyl)phenyl isocyanate
    Constituent 5
    Chemical structure
    Reference substance name:
    Oxydiethylene bis[[4-[(4-isocyanatophenyl)methyl]phenyl]carbamate]
    EC Number:
    276-050-4
    EC Name:
    Oxydiethylene bis[[4-[(4-isocyanatophenyl)methyl]phenyl]carbamate]
    CAS Number:
    71832-70-7
    Molecular formula:
    C34H30N4O7
    IUPAC Name:
    oxydiethylene bis[[4-[(4-isocyanatophenyl)methyl]phenyl]carbamate]
    Constituent 6
    Chemical structure
    Reference substance name:
    Propane-1,2- BIS[[4-[(4-ISOCYANATOPHENYL)METHYL]PHENYL]CARBAMATE]
    CAS Number:
    83742-35-2
    Molecular formula:
    C33 H28 N4 O6
    IUPAC Name:
    Propane-1,2- BIS[[4-[(4-ISOCYANATOPHENYL)METHYL]PHENYL]CARBAMATE]