NaturChem Barcelona

Phenylbutazone Sodium

Molecular Formula C19H19N2O2Na۰2H20
Appearance A white or almost white crystalline powder
Identification Positive
Melting range 104°C   ̴ 106°C
Assay 99.0%   ̴ 101.0% on dry basis (Ticration)
Heavy metals <20ppm
Water 5.0   ̴14% by KF
Solubility Freely soluble in water A 20% solution in water is clear
Ph value 20% solution in water 8.0   ̴ 9.5
Related substances By HPLC 2.0   ̴ 4.5%
Particle size 100%<20mesh
Light absorption Maximum 264

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