methylene bisphenyl isocyanate (C15H10N2O2)

Diphenylmethane 4,4-diisocyanate appears as white crystals or a crystalline powder. It is mainly used in the plastics industry for the manufacture of polyurethanes.

Common synonyms: : 4,4-Diphenylmethane diisocyanate, MDI, Methylene bis(4-phenyl isocyanate)

Properties of methylene bisphenyl isocyanate (C15H10N2O2):

Melting point: The melting point of diphenylmethane 4,4-diisocyanate is around 39-41°C.
Protection and prevention: wear suitable personal protective equipment, handle in a well-ventilated area, avoid contact with skin, eyes and clothing, do not inhale vapours, do not ingest

> About these data

Formula	C15H10N2O2
International name	methylene bisphenyl isocyanate
French name	4,4-Diioscyanate de diphénylméthane
CAS	101-68-8
EINECS	201-452-3
Filter	AB-P3
IP (eV)	-
Vapour density (air = 1)	8,5
Conversion (1 ppm =)	-
LIE	-
LSE	-
VLEP CT (15mn)	0.02 ppm
VLEP (8h)	0.01 ppm
STEL (15 min.)	-
TWA (8h)	0.005 ppm

respirator mask for methylene bisphenyl isocyanate (C15H10N2O2)

To protect yourself from methylene bisphenyl isocyanate (C15H10N2O2), a full face mask fitted with an ABEK2Hg-P3 filter, offering maximum protection against organic and inorganic gases and vapors, acid gases, ammonia, mercury vapors, as well as solid and liquid, radioactive and toxic particles, and micro-organisms (bacteria, viruses), will be ideal for short interventions. For longer missions, it is preferable to use a device with assisted ventilation, which ensures optimum comfort.