Monomeric MDI (4,4'-MDI)
CAS:101-68-8
Code:MDI-44
Formula:C15H10N2O2
Monomeric 4,4'-MDI delivers high purity and controlled reactivity for specialty polyurethane elastomers, CASE applications, and prepolymer manufacture. It supports excellent mechanical strength, chemical resistance, and dimensional stability in demanding end uses.
MDI-44
Technical Specifications
Molecular FormulaC15H10N2O2
Molecular Weight250.25
Melting Point39–42°C
Boiling Point196°C at 5 mmHg
Density1.23 g/cm³ (25°C)
Purity≥99.5% 4,4'-MDI
Nco Content33.6% NCO
Values shown are typical specification targets; request the latest Technical Data Sheet for certified ranges.
Applications
High-performance polyurethane elastomers
CASE applications
prepolymer manufacture
specialty adhesives
Chemical Features
crosslinking