Safety data for methylene diphenyl diisocyanate
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Toxicity data
Irritation data
Risk phrases
Safety phrases
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Synonyms: methylene bisphenyl isocyanate, MBI, MDI,
4,4'-diphenyl methane diisocyanate, diphenylmethyl diisocyanate,
diphenylmethane diisocyanate, methylenedi-p-phenyl diisocyanate, NCI-C50668
Molecular formula: C15H10N2O2
CAS No: 101-68-8
EINECS No: 202-966-0
Physical data
Appearance: white to light yellow flakes or crystals
Melting point: 37.2 C
Boiling point: 194 C at 5 mm Hg
Vapour density:
Vapour pressure:
Density (g cm-3): 1.19
Flash point: 218 C
Explosion limits:
Autoignition temperature:
Stability
Stable. Combustible. Incompatible with strong
oxidizing agents. Reacts violently with alcohols.
Toxicology
Harmful by inhalation or ingestion. May be harmful
through skin contact. Eye, skin and respiratory irritant. May cause allergic sensitization.
(The meaning of any abbreviations which appear in this section is given
here.)
ORL-RAT LD50 31690 mg kg-1 (??)
IHL-RAT LC50 178 mg m-3
IHL-HMN TCLO 130 ppm/30m
EYE-RBT 100 microg mild.
(The meaning of any risk phrases which appear in this section is given
here.)
R20 R22 R36 R37 R38 R42.
Transport information
Personal protection
Safety glasses, adequate ventilation.
(The meaning of any safety phrases which appear in this section is given
here.)
S2 S26 S28 S38 S45.