Melting point 170-175（℃）
Purity(HPLC) 98-100（%）
Ignition Residue (as sulfate) 0-0.05（%）
Proton NMR spectrum Conforms to Structure
Solubility in Acetone almost transparency
Solubility in EtOH，Faint Yellow to Orange,Clear,20mg/mL pass
Suitability for chrome-analysis pass
Appearance Off-White to Dark Orange Powder