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4,4'-Methylenebis(phenyl isocyanate), 98%, Thermo Scientific Chemicals Product Code.: 11302767
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4,4'-Methylenebis(phenyl isocyanate), 98%, Thermo Scientific Chemicals

Product Code. 11302767
25 g
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25 g
100 g
500 g
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Regulatory: This product contains a substance listed in Annex XVII to REACH Regulation (EC) No 1907/2006, all customers must complete a declaration before delivery.

Product Code. 11302767

Brand: Thermo Scientific Alfa Aesar L15740.14

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This item is not returnable. View return policy
Regulatory: This product contains a substance listed in Annex XVII to REACH Regulation (EC) No 1907/2006, all customers must complete a declaration before delivery.

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 diisocyanateShow MoreShow Less
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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5 results found
Lot Number Certificate Type Date Catalog Number
Lot NumberA0461094 Certificate TypeCertificate of Analysis Date16/04/2024 Catalog NumberL15740.22,L15740.14,L15740.36
Lot NumberA0461095 Certificate TypeCertificate of Analysis Date16/04/2024 Catalog NumberL15740.22,L15740.14,L15740.36
Lot NumberA0446187 Certificate TypeCertificate of Analysis Date18/10/2023 Catalog NumberL15740.22,L15740.14,L15740.36
Lot NumberA0442161 Certificate TypeCertificate of Analysis Date18/10/2023 Catalog NumberL15740.22,L15740.14,L15740.36
Lot Number10244748 Certificate TypeCertificate of Analysis Date18/10/2023 Catalog NumberL15740.22,L15740.14,L15740.36

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