项目Item 分析纯
(AR)
含量(CH3CSNH2)Assay,% ≥ 99.0
灼烧残渣(以硫酸盐计)Ignition residue,% ≤ 0.05
熔点范围Melting point,℃ 112.0~114.0
磷酸盐(PO4)Phosphate,% ≤ 0.003
铁(Fe)Iron,% ≤ 0.001
重金属(以Pb计)Heavy metals,% ≤ 0.0005
澄清度试验Clarity 合格
品级Grade ACS级
(ACS, ≥99.0%)
外观Appearance white to off-white powder or crystals.
红外光谱Infrared spectrometry Conforms to Structure
纯度Purity(HPLC) ≥99.0%
纯度Purity(titration with KSCN) ≥99.0%
灼烧残渣residue on ignition ≤0.05%
水溶性solubility 2% in H2O; clear, colorless solution
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