氯化铵 ,AR,99.5%

Ammonium chloride
别名: 电盐、电气药粉、盐精、硇砂
Cas号: 12125-02-9 物化性质:
分子式: ClH4N 熔点:
分子量: 53.4915 沸点:
EINECS编号: 235-186-4 密度:
MDL号: 储存条件:

 
中文名称:氯化铵 
CAS号:12125-02-9 
英文名称:Ammoniumchloride 
分子式:CLH4N 
分子量:53.4915 
纯度:AR,99.5% 
pH(50g/L,25℃)4.5~5.5 
硫酸盐(SO4),%≤0.005 
磷酸盐(PO4),%≤0.0005 
灼烧残渣(以硫酸盐计),%≤0.02 
水不溶物,%≤0.005 
钠(Na),%≤0.005 
镁(Mg),%≤0.001 
钾(K),%≤0.005 
钙(Ca),%≤0.001 
铁(Fe),%≤0.0005 
澄清度试验/号≤3 
介绍:无色结晶或白色至类白色结晶性固体,无气味,味咸、凉,具引湿性。能升华而无熔点。易溶于水,盐酸和氯化钠能降低其水中溶解度,溶于甲醇和甘油,微溶于乙醇,不溶于醚、丙酮和乙酸乙酯。pH4.5-5.5(50g/L,H2O,20℃)。熔点335-340℃(subl.)。沸点520℃/760mmHg。密度ρ(20)1.52g/mL。味咸凉而微苦,能升华而无熔点。氯化铵吸湿性小,略吸湿,在潮湿阴雨天也能吸潮结块。易溶于水,溶于甘油和液氨中,难溶于醇,不溶于丙酮和乙醚。分离及沉淀离子,配制缓冲液,测定尿酸,冷冻剂。药用级用作祛痰药和辅助利尿药。用于祛痰、利尿、代谢性碱中毒及酸化尿液,用于制作蓄电池和荧光粉等。 
用途:科研实验。 

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氯化铵
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