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Alfa Aesar™ 4,4'-Methylenebis(phenyl isocyanate), 98%

Chemical Identifiers

CAS 101-68-8
Molecular Formula C15H10N2O2
Formula Weight 250.26
MDL Number MFCD00036131
UN Number UN2811
Beilstein 797662
Synonym 4,4'-Diphenylmethane diisocyanate; MDI
Chemical Name or Material 4,4'-Methylenebis(phenyl isocyanate)
View More Specs


Products ${productFamilyLength}
Catalog Number Mfr. No. Quantity Price Quantity  
Catalog Number Mfr. No. Quantity Price Quantity  
AAL1574014 SDS Alfa Aesar™
L1574014
25g N/A N/A  
Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
AAL1574022 SDS Alfa Aesar™
L1574022
100g N/A N/A  
Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
AAL1574036 SDS Alfa Aesar™
L1574036
500g N/A N/A  
Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
Specifications

Description

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.
Description & Specifications

Chemical Identifiers

101-68-8
250.26
UN2811
4,4'-Diphenylmethane diisocyanate; MDI
C15H10N2O2
MFCD00036131
797662
4,4'-Methylenebis(phenyl isocyanate)

Specifications

101-68-8
250.26
UN2811
4,4'-Diphenylmethane diisocyanate; MDI
194°C (5mmHg)
196°C (385°F)
4,4'-Methylenebis(phenyl isocyanate)
C15H10N2O2
MFCD00036131
797662
41° to 44°C
25g
Weak, Characteristic
98%

Safety and Handling

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.

GHS P Statement
P260-P280h-P304+P340-P310
Do not breathe dust/fume/gas/mist/vapors/spray.
Wear protective gloves/clothing.
IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Immediately call a POISON CENTER or doctor/physician.

Danger

DOTInformation : Transport Hazard Class: 6.1; Packing Group: II; Proper Shipping Name: TOXIC SOLIDS, ORGANIC, N.O.S.

RTECSNumber : NQ9350000

TSCA : TSCA

Recommended Storage : −30° to −10°C