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256439 Sigma-Aldrich

4,4′-Methylenebis(phenyl isocyanate)

98%

Synonym: 4,4′-MDI, Bis(4-isocyanatophenyl)methane

  • CAS Number 101-68-8

  • Linear Formula CH2(C6H4NCO)2

  • Molecular Weight 250.25

  •  Beilstein Registry Number 797662

  •  EC Number 202-966-0

  •  MDL number MFCD00036131

  •  PubChem Substance ID 24855527

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Properties

Related Categories Chemical Biology, Chemical Synthesis, Crosslinkers, Development Quantities for Research, Isocyanate Monomers,
InChI Key   UPMLOUAZCHDJJD-UHFFFAOYSA-N
assay   98%
bp   200 °C/5 mmHg(lit.)
mp   42-45 °C (lit.)
density   1.18 g/mL at 25 °C(lit.)
storage temp.   −20°C

Description

Application

Uses include UV curable and latent catalyst-containing polymerization compositions.

Packaging

5 kg in poly drum

50, 500 g in glass bottle

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Personal Protective Equipment 
RIDADR 
UN 3335
WGK Germany 
1
RTECS 
NQ9350000
Flash Point(F) 
235.4 °F
Flash Point(C) 
113 °C

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Peer-Reviewed Papers
15

References

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