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Ammonium chloride

MDL:
--MFCD00011420
Molecular Formula:
H4ClN
Molecular Weight:
53.49
Alias:
电盐,盐硇,电气药粉,盐精 Ammonium muriate Sal ammoniac
Product order:
Name Specifications Packing Price Delivery
Ammonium chloride 99.99% 100g RMB 385 现货
Ammonium chloride 药典级(Ph. Eur., BP, USP, FCC) 500g RMB 63.8 现货
Ammonium chloride 细胞培养专用, 500g RMB 418 现货
Ammonium chloride 用于分子生物学, ≥99.5% 500g RMB 418 现货
Ammonium chloride ACS,99.5% 500g RMB 38.5 现货
Ammonium chloride SP 25g RMB 107.8 现货
Ammonium chloride PT 100g RMB 107.8 现货
Ammonium chloride GR,99.8% 500g RMB 33 现货
Ammonium chloride AR,99.5% 500g RMB 33 促销
Character:
白色结晶粉末,无色立方结晶,有三种变态。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。
比重1.527
   氯化铵水溶液呈弱酸性反应,在加热时酸性增强。对黑色金属和其它金属有腐蚀,特别对铜腐蚀更大,而生铁尚能抵抗它的腐蚀。加热升华或分解,升华温度340℃。在100℃时开始显著挥发,在337.8℃时离解为氨和氯化氢,遇冷后又重新生成颗粒极小的氯化氨,呈白色浓雾,不易下沉,也极不易再溶解于水。
Quality Standard:
 
   QB/T 658-88
项目Item                                     优级纯     分析纯     化学纯
                                              (GR)       (AR)       (CP)
含量(NH4Cl)Assay,%                           ≥99.8      99.5       98.5
pH(50g/L溶液,25℃)                          4.5-5.5     4.5-5.5    4.5-5.5
澄清度试验Clarity                              合格       合格       合格
水不溶物Insoluble matter in water,%          ≤0.002     0.005      0.01
灼烧残渣(以硫酸盐计)Ignition residue,%     ≤0.005     0.02       0.05
硫酸盐(SO4)Sulfate,%                         ≤0.002     0.005      0.005
磷酸盐(PO4)Phosphate,%                       ≤0.0002    0.0005     0.001
钠(Na)Sodium,%                               ≤0.005     0.005       --
镁(Mg)Magnesium,%                            ≤0.0005    0.001      0.002
钾(K)Potassium,%                             ≤0.005     0.005       --
钙(Ca)Calcium,%                              ≤0.0005    0.001      0.002
铁(Fe)Iron,%                                 ≤0.0002    0.0005     0.001
镍(Ni)Nickel,%                               ≤0.0001      --        --
铜(Cu)Copper,%                               ≤0.0002      --        --
锌(Zn)Zinc,%                                 ≤0.0002      --        --
铅(Pb)Lead,%                                 ≤0.0001      --        --


项目名称Item                                 ACS Grade
含量Assay                                    ≥99.5%
pH(5%溶液,25℃)pH                           4.5-5.5
不溶物Insoluble matter                       ≤0.005%
灼烧残渣Residue after ignition               ≤0.01%
钙(Ca)Calcium(Ca)                            ≤0.001%
镁(Mg)Magnesium(Mg)                          ≤5ppm
重金属(以Pb计)Heavy metals(as Pb)            ≤5ppm
铁(Fe)Iron(Fe)                               ≤0.0002%
磷酸盐(PO4)Phosphate                         ≤0.0002%
硫酸盐(SO4)Sulfate                           ≤0.002%


品级Grade                               分子生物学级  
                                   (for molecular biology, ≥99.5%)
外观Appearance                          白色粉末
红外光谱鉴别Infrared spectrometry       Conforms
纯度Purity                              ≥99.5%
重金属(以Pb计)Heavy metals(as Pb)       ≤0.0005%
铁(Fe)Iron(Fe)                          ≤0.0002%
磷酸盐Phosphate                         ≤0.0002%
硫酸盐Sulfate                           ≤0.002%
水溶解试验solubility in water           合格
DNase, RNase, protease,                 none detected


品级Grade                               细胞培养专用  
                                   (cell culture tested, ≥99.5%)
外观Appearance                          白色粉末
红外光谱鉴别Infrared spectrometry       Conforms
纯度Purity                              ≥99.5%
重金属(以Pb计)Heavy metals(as Pb)       ≤0.0005%
铁(Fe)Iron(Fe)                          ≤0.0002%
磷酸盐Phosphate                         ≤0.0002%
硫酸盐Sulfate                           ≤0.002%
水溶解试验solubility in water           合格
细胞培养测试cell culture test           Pass


品级Grade                               药典注射级  
                              (Ph. Eur., BP, USP, FCC )
含量assay                               99.5-100.5% (以干基计)
酸度和碱度acidity or alkalinity,        complies
残留溶剂residual solvents,              complies
硫氰酸thiocyanate (SCN),                complies
灼烧残渣ign. residue                    ≤0.1% (as SO4)
干燥损失loss on drying                  ≤0.5% loss on drying, 105 °C
pH                                      4.6-6.0 (20 °C, 5%)
痕量阴离子anion traces by ICP Atomic emission AND AAS
溴bromide (Br-):                       in accordance
碘iodide (I-):                         in accordance
硫酸根sulfate (SO42-):                 ≤100 ppm
痕量阳离子cation traces by ICP Atomic emission
  As:                                  ≤3 ppm  
  Ca:                                  ≤100 ppm
  Cu:                                  ≤20 ppm
  Fe:                                  ≤20 ppm
  Mg:                                  ≤10 ppm
  Pb:                                  ≤4 ppm
  Zn: ≤20 mg/kg
溶解性suitability                      complies for appearance of solution


99.999%:

外观Appearance                          白色结晶粉末
红外光谱鉴别Infrared spectrometry       Conforms
X-射线衍射分析X-Ray Diffraction         Conforms to standard
纯度Purity                              ≥99.999% Based On Trace Metals Analysis
痕量金属杂质Trace Metal Analysis        20ppm by ICP Atomic emission
(Li、Na、K、Ni、Cs、Mg、Ca、Ba、Zn、Al、Cr、Mn、As、Fe)


99.99%:

外观Appearance                          白色结晶粉末
X-射线衍射分析X-Ray Diffraction         Conforms to standard
纯度Purity                              ≥99.99% Based On Trace Metals Analysis
痕量金属杂质Trace Metal Analysis        200ppm by ICP Atomic emission
(Ba、Ca、Mg、Na)

Storage:
密封,在干燥处保存。
用途  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。
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