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Merck
CN

Specification Sheet

Product Name
Benzidine analytical standard

Product Number
31614

Product Brand
sial

CAS Number
92-87-5

Molecular Weight
184.24

Test

Specification

APPEARANCE (COLOR)White to Very Dark Beige to Very Dark Brown and Faint Grey to Very Dark Grey
APPEARANCE (FORM)Powder or Crystals
PURITY (HPLC AREA %)≥ 98.0 %
MELTING POINT126 - 131 C
WATER≤ 3.0 %
PROTON NMR SPECTRUMCONFORMS TO STRUCTURE
EXPIRY PERIOD60 MONTHS