Appearance White to yellowish powder or crystalline powder
Solubility Freely soluble in water, sparingly soluble in methanol, insoluble in alcohol and in chloroform.
Identification Meets the requirement
PH 6.0-8.5
Water 3.5% max
Bacterial endotoxins 0.10EU/mg max
Sterility Meets the requirement
Visible particles Meets the requirement
Pariculate matter More than 10μm : 6000/g max
More than 25μm: 600/g max
Assay, HPLC, on dry base 855-1000μg/mg(C16H16N4O8S)
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