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Merck
CN

Specification Sheet

Product Name
2-Methoxynaphthalene pharmaceutical impurity standard

Product Number
07499

Product Brand
sial

CAS Number
93-04-9

Molecular Weight
158.20

Test

Specification

APPEARANCE (COLOR)White to Off White
APPEARANCE (FORM)Powder or Crystals or Flakes
PURITY (GC AREA %)≥ 98.0 %
IDENTIFICATION (GC-MS)CORRESPONDS TO REQUIREMENTS
WATER≤ 0.5 %
CARBON CONTENT83.52 % (Theory)
HYDROGEN CONTENT6.37 % (Theory)
PROTON NMR SPECTRUMCONFORMS TO STRUCTURE
EXPIRY PERIOD36 MONTHS