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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Display Name:
4,4'-Methylenediphenyl diisocyanate, oligomeric reaction products with 2,4'-diisocyanatodiphenylmethane
EC Number:
500-297-1
EC Name:
4,4'-Methylenediphenyl diisocyanate, oligomeric reaction products with 2,4'-diisocyanatodiphenylmethane
CAS Number:
109331-54-6
Molecular formula:
MDI Oligomer
IUPAC Name:
Methylenediphenyl diisocyanate, oligomers (Polyisocyanurate-type)

Type of Substance

Composition:
UVCB
Origin:
organic

Substance Identifiers

Compositions

Boundary Composition(s) open all close all

State Form:
liquid


Constituent 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
Constituent 2
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 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:
Reference substance 003
CAS Number:
31107-36-5
Molecular formula:
(C15H10N2O2)3
Constituent 5
Reference substance name:
Higher oligomers of MDI PIR
Molecular formula:
(C15H10N2O2)n>=5
IUPAC Name:
Higher oligomers of MDI PIR

Legal Entity Composition(s) open all close all

State Form:
liquid


Constituent 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
Constituent 2
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 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:
Reference substance 003
CAS Number:
31107-36-5
Molecular formula:
(C15H10N2O2)3
Constituent 5
Reference substance name:
Higher oligomers of MDI PIR
Molecular formula:
(C15H10N2O2)n>=5
IUPAC Name:
Higher oligomers of MDI PIR

Composition(s) generated upon use

Other types of composition(s)