4,4'-Diisocyanato-3,3'-dimethylbiphenyl
98%
Reagent
Code: #169763
Alias
3,3`-dimethylbiphenyl-4,4`-diisocyanate
Dimethylbiphenyldiisocyanate
3,3'-dimethyl-4,4'-biphenyldiisocyanate
3,3'-dimethyl-biphenyl-4,4'-diisocyanate
O-bacterial toluene diisocyanate
CAS Number
91-97-4
blur_circular Chemical Specifications
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Molecular Information
Weight
264.28 g/mol
Formula
C₁₆H₁₂N₂O₂
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Registry Numbers
MDL Number
MFCD00019908
thermostat
Physical Properties
Melting Point
70-72°C
Boiling Point
195-197°C (667 Pa)
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Storage & Handling
Density
1.197 (80°C)
Storage
Room temperature
description Product Description
Used primarily in the production of polyurethane elastomers and coatings, this chemical contributes to high thermal stability and mechanical strength in the final polymer. It is especially valued in specialty applications where resistance to heat and oxidation is critical. Commonly found in high-performance adhesives, sealants, and industrial coatings, it enables durable finishes in demanding environments. Its structural rigidity enhances the performance of polyurethane systems used in aerospace, automotive, and electronic components.
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