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Merck
CN

Specification Sheet

Product Name
2,5-Dihydroxybenzoic acid analytical standard

Product Number
78069

Product Brand
sial

CAS Number
490-79-9

Molecular Weight
154.12

Test

Specification

APPEARANCE (COLOR)White to Faint Beige
APPEARANCE (FORM)Powder or Crystals
PURITY (HPLC AREA %)≥ 99.0 %
CARBON CONTENT54.55 % (theory)
PROTON NMR SPECTRUMCONFORMS TO STRUCTURE
EXPIRY PERIOD48 MONTHS