Skip to Content
Merck
CN

Specification Sheet

Product Name
Uric acid sodium salt

Product Number
u2875

Product Brand
sigma

CAS Number
1198-77-2

Molecular Weight
190.09

Test

Specification

APPEARANCE (COLOR)White to Light Yellow
APPEARANCE (FORM)Powder
SOLUBILITY (COLOR)Colorless to Faint Yellow
SOLUBILITY (TURBIDITY)Clear
SOLUBILITY (METHOD)25MG/ML IN 1M SODIUM HYDROXIDE
WATER≤ 10 % (Calcultated from Elemental Analyisis)
CARBON CONTENT31.58 % (Theory)
NITROGEN CONTENT29.48 % (Theory)
INFRARED SPECTRUMCONFORMS TO STRUCTURE
MOLAR ABSORBANCY INDEX (1)11.0 - 12.7 at lambda max 291-293 nm at pH 9.6
ASSAY (ICP)11.0 - 13.0 % (ANHYDROUS BASIS)
REMARKS ON ICPSODIUM