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 |