4,4'-Methylenebis(phenyl isocyanate), 98%

Description

CAS: 101-68-8 | C15H10N2O2 | 250.257 g/mol

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.

Specifications

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

• 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)

Safety and Handling

Hazard Category	H315-H317-H319-H332-H334-H335-H351-H373
Hazard Statement	GHS H Statement H330-H334-H351-H373-H315-H319-H317-H335 Fatal if inhaled. May cause allergy or asthma symptoms or breathing difficulties if inhaled. Suspected of causing cancer. May cause damage to organs through prolonged or repeated exposure. Causes skin irritation. Causes serious eye irritation. May cause an allergic skin reaction. May cause respiratory irritation.
Precautionary Statement	P201-P202-P260-P264b-P271-P272-P280-P281-P285-P302+P352-P304+P340-P305+P351+P338-P308+P313-P333+P313-P342+P311-P362-P501c
DOTInformation	Transport Hazard Class: 6.1; Packing Group: II; Proper Shipping Name: TOXIC SOLIDS, ORGANIC, N.O.S.
EINECSNumber	202-966-0
RTECSNumber	NQ9350000
TSCA	Yes
Recommended Storage	Store at -20°C

SDS

RUO – Research Use Only