MDI dimer Isocyanate

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MDI dimer CAS # 94158-57-3
Molecular weight 500
Isocyanate, %
Equivalent weight
Toxicity See MSDS of the supplier
This product is formed during storage of MDI monomer.
Properties
Chemical Composition: C30H20N4O4
Product formed during storage of MDI, reversible


Regulatory Inventory
CAS REGISTRY NUMBER   # 94158-57-3 NAME :  2,4-dioxo-1,3-diazetidine-1,3-diylbis (p-phenylenemethylene-o-phenylene) diisocyanate 
TSCA USA  
DSL Canada  
EINECS Europe EINECS No. 303-129-3   Yes
ECL Korea    
ENCS Japan    
AICS Australia    
Swiss Switzerland    
The fact that a compound is not listed under a specific CAS # in a countries inventory does not mean this compound cannot be used, it can be an exempt compound or polymer which does not require listing, or it can be listed in a different category. Ask your supplier.
Other names: 
1,3-Diazetidine-2,4-dione, 1,3-bis[4- [(2-isocyanatophenyl)methyl]phenyl]-
Commercial Products or generic terms used for products. For manufacturer see Isocyanate MFCT.

Some of these product names might not be commercial anymore, the product names still might be in old formulations

Last edited on:

 July 06, 2006

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