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Merck
CN

Specification Sheet

Product Name
1-Hydroxybenzotriazole hydrate ≥97.0% dry basis (T)

Product Number
54802

Product Brand
ALDRICH

CAS Number
123333-53-9

Molecular Weight
135.12 (anhydrous basis)

Test

Specification

APPEARANCE (COLOR)White to Off White
APPEARANCE (FORM)Powder or Crystals
TITRATION (T) NAOH 0.1M97.0 - 103.0 % (CALCULATED ON DRY SUBSTANCE)
PURITY (HPLC AREA %)≥ 97.0 %
SOLUBILITY (COLOR)Colorless to Very Light Brown and Colorless to Very Light Red
SOLUBILITY (TURBIDITY)Clear
SOLUBILITY (METHOD)1G IN 10ML DIMETHYL FORMAMIDE
WATER12.0 - 14.0 %
INFRARED SPECTRUMCONFORMS TO STRUCTURE
PROTON NMR SPECTRUMCONFORMS TO STRUCTURE