外观Appearance white powder
溶解试验Solubility clear colorless(200 mg plus 4 ml of water)
水分Water(Karl Fischer) ≤18% (4 mol/mol)
磷Phosphorus by ICP 8.2 to 10.0% *
钠Sodium by ICP 3.5 to 15.9% **
溶剂含量Solvent content ≤4%
纯度Purity(HPLC) ≥98%
紫外吸光度Uv-vis spectrum emm = 8.5 - 9.8(λmax271 to 273, 0.1 m phosphate buffer ph 7.0)