Compound Q&A
What are the physical and chemical properties of Polymethylene polyphenyl polyisocyanate (CAS: 9016-87-9)?
Answer
Polymethylene polyphenyl polyisocyanate (CAS: 9016-87-9) is a solid at room temperature, with a crystalline form. It has a high molecular weight, typically ranging from 2000 to 4000. The compound is slightly soluble in organic solvents like toluene and ethyl acetate. It is highly reactive due to the presence of isocyanate groups, which makes it suitable for use in various polymer synthesis reactions. Its reactivity allows for the formation of stable urethane and urea linkages with various polyols.
About
CAS No
9016-87-9
English Name
Polymethylene polyphenyl polyisocyanate
Molecular Formula
C8H7NO2
Molecular Weight
149.15 g/mol
SMILES
C=O.C1=CC=C(C=C1)N=C=O
InChIKey
JTEOXXUIKUHXLD-UHFFFAOYSA-N
Last Updated: 2025-09-07 10:19
