), Back Directory. [msds information] 1,1′-Methylenebis(4-isocyanatobenzene)( ).msds. Page 1. Page 2. •. •. •. ³. ³. ³. Page 3. ³. Page 4. ³. ³. ³. ³. ³. ³. ³. ³. ³. ³. Page 5. ≥. ≥. Page 6. METHYLENE BISPHENYL. ISOCYANATE. DOT Number: UN DOT Hazard Class: (Poison). NAERG Code: CAS Number: Hazard rating.
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Methylene diphenyl diisocyanate
National Institute for Occupational Safety and Health. It is the most produced diisocyanate, accounting for Eco-Profiles of the European Plastics Industry.
See protection codes Skin: Such reactions in the absence of solvents often occur with explosive violence, [Wischmeyer ].
White to light-yellow, odorless flakes. Shanghai civi chemical technology co. Well-known Reagent Company Product Information.
BeiJing Msda Chemicals Limted. Archived from the original PDF on Retrieved from ” https: From Wikipedia, the free encyclopedia.
The group at the 4-position is approximately four times more reactive 1001-68-8 the group at the 2-position due to steric hindrance. Chemfun Medical Technology Shanghai Co.
Methylene bisphenyl isocyanate
Raw materials And Preparation Products. It’s used to make plastics. Methylene diphenyl diisocyanatemost often abbreviated as MDI, is an aromatic di isocyanate. No account, fast registration.
A skin and eye irritant. Maya High Purity Chemicals. Shanghai Hanhong Scientific Co. Prevent eye contact Wash skin: Persons developing sensitivity to isocyanates may have dangerous systemic reactions to extremely small exposures, including respiratory failure.
Emergency or planned entry into unknown concentrations or IDLH conditions: Distillation of the mixture gives a mixture of oligomeric polyisocyanates, known as polymeric MDIand a mixture of MDI isomers which has a low 2,4′ isomer content. Facebook Twitter Email Syndicate. When wet or contaminated Change: CDC is not responsible for Section compliance accessibility on other federal mads private website.
Interactive image Interactive image. Safety, Health and the Environment: It is a potentially violently reactive material towards water and other nucleophiles.
CDC – NIOSH Pocket Guide to Chemical Hazards – Methylene bisphenyl isocyanate
Handling MDI requires strict engineering controls and personal protective equipment. Links with this icon indicate that you are leaving the CDC website.
MDI is the least hazardous of the commonly available isocyanates but is not benign. Human systemic effects by inhalation: LC 50 median concentration. MDI reacts with polyols in 11-68-8 manufacture of polyurethane. Base-catalysed reactions of isocyanates with alcohols should be carried out in inert solvents.
Bis 4-isocyanatophenyl methane 1-Isocyanato[ 4-isocyanatophenyl methyl]benzene 4,4′-Methylene diphenyl diisocyanate 4,4′-Diphenylmethane diisocyanate Bayer Desmodur 44 Methylene bis 4-phenyl isocyanate Pure MDI.