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  8. 4,4'-Methylenebis(phenyl isocyanate), 98%, Thermo Scientific Chemicals

4,4'-Methylenebis(phenyl isocyanate), 98%, Thermo Scientific Chemicals

Product Code. 11302767
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25 g
100 g
500 g
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Description

4,4'-Methylenebis(phenyl isocyanate) acts as a monomer in the production of polyurethane. The rigid polyurethane foams are good thermal insulators, which find applications in all freezers and refrigerators, as well as in buildings. It is also used as an industrial strength adhesive, which is available to end consumers as various high-strength bottled glue preparations.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
4,4′-Methylenebis(phenyl isocyanate) acts as a monomer in the production of polyurethane. The rigid polyurethane foams are good thermal insulators, which find applications in all freezers and refrigerators, as well as in buildings. It is also used as an industrial strength adhesive, which is available to end consumers as various high-strength bottled glue preparations.

Solubility
Insoluble in water. Soluble in acetone, benzene and kerosene.

Notes
Incompatible with water, amines, strong bases, alcohols and oxidizing agents.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 101-68-8
Molecular Formula C15H10N2O2
Molecular Weight (g/mol) 250.257
MDL Number MFCD00036131
InChI Key UPMLOUAZCHDJJD-UHFFFAOYSA-N
Synonym 4,4'-diphenylmethane diisocyanate, diphenylmethane diisocyanate, isonate, 4,4'-diisocyanatodiphenylmethane, p,p'-diphenylmethane diisocyanate, bis 4-isocyanatophenyl methane, 4,4'-methylenebis phenyl isocyanate, methylbisphenyl isocyanate, 1,1'-methylenebis 4-isocyanatobenzene, methylene diphenyl diisocyanate
PubChem CID 7570
ChEBI CHEBI:53218
IUPAC Name 1-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene
SMILES C1=CC(=CC=C1CC2=CC=C(C=C2)N=C=O)N=C=O

Specifications

Melting Point 41°C to 44°C
Density 1.239
Boiling Point 194°C (5 mmHg)
Flash Point 196°C (385°F)
Odor Weak, Characteristic
Quantity 25 g
UN Number UN2811
Beilstein 797662
Sensitivity Moisture sensitive
Solubility Information Insoluble in water. Soluble in acetone,benzene and kerosene.
Formula Weight 250.26
Percent Purity 98%
Chemical Name or Material 4,4'-Methylenebis(phenyl isocyanate)
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