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

Chemical Identifiers

Chemical Name or Material 4,4'-Methylenebis(phenyl isocyanate)
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
View More Specs
Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAL1574014

  SDS
alfa aesar™
L1574014
25g CALL 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 CALL 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 CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
Description & Specifications

Specifications

Formula Weight 250.26
CAS 101-68-8
Chemical Name or Material 4,4'-Methylenebis(phenyl isocyanate)
Molecular Formula C15H10N2O2
Health Hazard 3 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.
Assay 98%
Health Hazard 1 Danger
UN Number UN2811
Synonym 4,4'-Diphenylmethane diisocyanate; MDI
Melting Point 41° to 44°C
RTECS Number NQ9350000
DOT Information Transport Hazard Class: 6.1; Packing Group: II; Proper Shipping Name: TOXIC SOLIDS, ORGANIC, N.O.S.
Health Hazard 2 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.
Recommended Storage −30° to −10°C
Flash Point 196°C (385°F)
Odor Weak, Characteristic
TSCA TSCA
Beilstein 797662
Quantity 25g
Boiling Point 194°C (5mmHg)
MDL Number MFCD00036131

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.

Safety and Handling

Danger

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.

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.

−30° to −10°C