Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Reference substances

Reference substances

Currently viewing:
IUPAC name:
1,1'-Methylenebis(4-isocyanatobenzene) and its oligomeric reaction products with [(methylethylene)bis(oxy)]dipropanol

Inventory

CAS number:
75880-28-3
Synonyms
Names:
MDI-TPG; MDI modified with tripropylene glycol ;
MDI-TPG; 1,1'-Methylenebis(4-isocyanatobenzene) and its oligomeric reaction products with [(methylethylene)bis(oxy)]dipropanol; Tripropyleneglycol, 4,4'-diphenylmethane diisocyanate, 2,4'- diphenylmethane diisocyanate polymer ; MDI modified with tripropylene glycol ;
Identifier:
other: Molecular formula
C14 H10 N O ( R C15 H12 N2 O2)n NCO where R = C9 H18 O4 and average n = 0.1

Molecular and structural information

Molecular formula:
OCN—ph–CH2–ph-(-NH-CO-O-C3H6-O-C3H6-O-C3H6-O-CO-NH-ph-CH2-ph-)m*-NCO.
* 0
Molecular weight:
> 250 - < 2 000
SMILES notation:
C(c1ccc(N=C=O)cc1)c1ccc(cc1)N=C=O.c1(c(cccc1)Cc1ccc(cc1)N=C=O)N=C=O.C([C@@H](C)OCCCO)OCCCO
InChl:
InChI=1/2C15H10N2O2.C9H20O4/c18-10-16-14-5-1-12(2-6-14)9-13-3-7-15(8-4-13)17-11-19;18-10-16-14-7-5-12(6-8-14)9-13-3-1-2-4-15(13)17-11-19;1-9(13-7-3-5-11)8-12-6-2-4-10/h2*1-8H,9H2;9-11H,2-8H2,1H3
Structural formula:
Chemical structure

Related substances

open allclose all
Identifier:
CAS number
Identity:
52747-01-0
Identifier:
EC number
Identity:
500-119-2
Identifier:
EC name
Identity:
4,4'-Methylenediphenyl diisocyanate, oligomeric reaction products with [(methylethylene)bis (oxy)]dipropanol
Identifier:
EC number
Identity:
500-262-0
Identifier:
CAS number
Identity:
75880-28-3