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Methylenediphenyl 4,4'-Diisocyanate
(CAS RN:101-68-8 Product Number:D0897)


Methylenediphenyl 4,4'-Diisocyanate
Synonym Bis(4-isocyanatophenyl)methane
Synonym 4,4'-Diphenylmethane Diisocyanate
Synonym MDI
Synonym 4,4'-Methylenebis(phenyl Isocyanate)

General Information

Product Number D0897

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Purity/Analysis Method >97.0%(T)
Storage Temperature 0-10°C
M.F. / M.W. C15H10N2O2=250.26
CAS RN 101-68-8
Related CAS RN
MDL Number MFCD00036131
Packaging and Container
  • Product Details
  • Safety & Regulations


Purity(Butylamine Method) min. 97.0 %
Melting point 40.0 to 50.0 deg-C
Solubility in Toluene almost transparency

Data of Reference

bp 184°C/3mmHg(lit.)


Reaxys-RN 797662
PubChem SID 87567498
RTECS# NQ9350000
EC Number 202-966-0


Signal Word Danger
Hazard Statements
  • H315
  • :Causes skin irritation.
  • H317
  • :May cause an allergic skin reaction.
  • H319
  • :Causes serious eye irritation.
  • H332
  • :Harmful if inhaled.
  • H334
  • :May cause allergy or asthma symptoms or breathing difficulties if inhaled.
  • H335
  • :May cause respiratory irritation.
  • H351
  • :Suspected of causing cancer.
  • H373
  • :May cause damage to organs through prolonged or repeated exposure.
Precautionary Statements
  • P260
  • :Do not breathe dust, fume, mist, vapours or spray.
  • P280
  • :Wear protective gloves, protective clothing, face protection.
  • P284
  • :Wear respiratory protection.
  • P302+P352+P333+P313+P362+P364
  • :IF ON SKIN: Wash with plenty of soap and water. If skin irritation or rash occurs: Take off contaminated clothing. And wash it before reuse.
  • P304+P340+P312
  • :IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER or doctor if you feel unwell.
  • P305+P351+P338+P337+P313
  • :IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice or attention.

Transport Information

UN Number 2206
Class 6.1
Packing Group II
HS Number 2929100090


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