Specification Sheet
Product Name 4,4′-Diaminodiphenylmethane,
analytical standard
Product Number 31640
Product Brand SIAL
CAS Number 101-77-9
Molecular Weight 198.26
 
TEST SPECIFICATION
APPEARANCE (COLOR) White to Light Yellow to Light Brown
APPEARANCE (FORM) Powder or Crystals or Flakes
PURITY (HPLC AREA %) ≥ 95.0 %
MELTING POINT 88 - 95 C
WATER ≤ 1.0 %
PROTON NMR SPECTRUM CONFORMS TO STRUCTURE
EXPIRY PERIOD 60 MONTHS