基本信息
cas:3051-09-0
中文名称:紫脲酸铵
中文别名:紫尿酸胺;骨螺紫;氨基紫色酸;红紫酸铵;5,5'-次氮基二巴比土酸铵盐;
英文名称:Murexide
英文别名:2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-[(hexahydro-2,4,6-trioxo-5-pyrimidinyl)imino]-, monoammonium salt;S NO 1138;(2,4,6-Trioxo-hexahydro-pyrimidin-5-yl)-(2,4,6-trioxo-tetrahydro-pyrimidin-5-yliden)-amin,Ammonium-Salz;ammonium 5-(2,4,6-trioxoperhydropyrimidin-5-ylideneamino)barbiturate;(2,4,6-trioxo-hexahydro-pyrimidin-5-yl)-(2,4,6-trioxo-tetrahydro-pyrimidin-5-yliden)-amin,ammonium salt;Naples red;5,5'-Nitrilodibarbituric acid monoammonium salt;Ammonium Purpurate;5-[(hexahydro-2,4,6-trioxo-5-pyrimidinyl)imino]-2,4,6(1H,3H,5H)-pyrimidinetrione,monoammonium salt;monoammoniumsalt;
分子式:C8H8N6O6
分子量:284.18600
精确质量:284.05100
PSA:176.82000
LOGP:-1.81120
物化性质
外观与性状:暗红色或紫色粉末
沸点:480.8ºC at 760mmHg
熔点:300 °C
水溶解性:略溶于水
稳定性:Stable at room temperature in closed containers under normal storage and handling conditions.
储存条件:Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
安全信息
安全说明:S24/25; S22; S36/37
WGK Germany:3
危险类别码:R22
海关编码:29335995
危险品标志:Xn
生产方法及用途
生产方法
将10g三氧化铬;4g水和40g冰乙酸加热溶解,冷却至30℃,分批慢慢加入16g巴妥酸,控制反应温度45-50℃。加毕,在50℃保温半小时,放置过夜,加入10g冰乙酸,滤集结晶物。取4g结晶物与8g水混合加热溶解,滤去不溶物。滤液移入乙酸铵-冰乙酸溶液中通氨,析出结晶,过滤,用沸乙醇洗涤,得紫脲酸铵。

用途

络合指标剂,用于钙、钴、铜、锰、镍、钪、锌等的测定。
毒性
加载中...