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淡黄色至白色结晶或粉末。无水物熔点217-219℃,二水合物熔点117℃,对皮肤及眼有刺激性,遇光颜色逐渐变深,味微甜。能升华并部分分解。水中溶解度: 10 g/l (20 C) ,溶于丙酮、乙醇、乙醚和吡啶。有毒,半数致死量(大鼠,经口)4550mg/kg。有刺激性。商品也有含2分子结晶水。
密度:1.46
熔点:218℃
质量标准
外观Appearance白色至淡黄色结晶粉末
红外光谱鉴别Infrared spectrometry 和对照品匹配
纯度Purity>99.0% (HPLC)
熔点Melting point 215°C - 221°C
水分water ≤2%
醇溶解试验Solubility inEtOH 合格
贮存:密封避光保存。
用途:检定锑、砷、铈、铬酸盐、铬、金、铁、汞、亚硝酸盐、锇、钯、锡、钒、香草素和木质素等。测定戊糖、醛类、木质素、盐酸、甲醇、水合氯醛、松节油、木质化细胞组织和胃液中的游离酸(盐酸)。骨标本的脱钙。
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