Specification Sheet
Product Name 4,4′-MDI,
analytical standard
Product Number 33428
Product Brand SIAL
CAS Number 101-68-8
Molecular Weight 250.25
 
TEST SPECIFICATION
APPEARANCE (COLOR) White to Light Yellow to Light Beige
APPEARANCE (FORM) Powder or Crystals or Flakes
PURITY (GC AREA %) ≥ 98.0 %
WATER ≤ 1.0 %
PROTON NMR SPECTRUM CONFORMS TO STRUCTURE
EXPIRY PERIOD 60 MONTHS