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Merck
CN

Specification Sheet

Product Name
4,4′-Diaminodiphenyl sulfide analytical standard

Product Number
32955

Product Brand
sial

CAS Number
139-65-1

Molecular Weight
216.30

Test

Specification

APPEARANCE (COLOR)Faint Brown to Very Dark Brown and Faint Purple to Very Dark Purple and Faint Grey to Grey
APPEARANCE (FORM)Powder or Crystals
PURITY (GC AREA %)≥ 99.0 %
PROTON NMR SPECTRUMCONFORMS TO STRUCTURE
EXPIRY PERIOD28 MONTHS