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Merck
CN

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 POINT88 - 95 C
WATER≤ 1.0 %
PROTON NMR SPECTRUMCONFORMS TO STRUCTURE
EXPIRY PERIOD60 MONTHS