Appearance (Colour)
Pale yellow
Appearance (Form)
Crystalline powder
Solubility (Turbidity) 2.5% aq. solution
Clear
Solubility (Colour) 2.5% aq. solution
Pale yellow
Assay
98% - 102%
pH (2.5% aq. solution)
3.5 - 4.5
Water (KF)
6.0 - 7.0%
IR Identification Test
Passes test
Not for medicinal use
.
Notes
Solubility (readily): water,
Solubility (slightly): methanol, ethanol,
Insoluble (partially): acetone, ethyl acetate & dichloromethane