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硫氰酸钾

硫氰酸钾 [333-20-0]

  • Potassium thiocyanate
  • CAS:333-20-0      
  • 分子式:KSCN
  • 分子量:97.18
  • MDL:MFCD00011413
  • EINECS:206-370-1
  • 别名:硫氰化钾
下一个:硫氰酸钠
产品货号商品名称规格包装售价(RMB)库存量数量操作备注
H1144242硫氰酸钾 [333-20-0]AR500g87.00>10 C54 MG CH
H1144240硫氰酸钾 [333-20-0]GR500g105.00>10 C54 MG CH
H1144239硫氰酸钾 [333-20-0]ACS500g129.00>10 C54 MG CH
H1144243硫氰酸钾 [333-20-0]99.99% metals basis100g367.00>10
H1144244硫氰酸钾 [333-20-0]99.99% metals basis25g107.00>10
化学性质质量标准危险性质用途及储存
化学性质
无色结晶。易吸湿结块液化。熔融时变成棕色,以后渐变成绿色,冷却后仍变白色。1g溶于0.5ml丙酮、12ml乙醇、8ml沸乙醇。易溶于水。当溶于自身重量的水时,温度下降约30℃。水溶液呈中性。低毒,半数致死量(大鼠,经口)854mg/kg。 密度:1.89 熔点:1.73℃
质量标准
  

GB/T648-93
项目ltem                                    优级纯      分析纯     化学纯
                                             (GR)        (AR)      (CP)
含量(KSCN),%                               ≥99.0        98.5       98.0
pH(50g/L,25℃)                               5.3-8.5     5.3-8.5    5.3-8.5
澄清度试验Clarity                            合格        合格       合格
水不溶物lnsoluble matter in water,%        ≤0.003       0.005      0.01
氯化物(Cl)Chloride,%                       ≤0.003       0.005      0.01
硫化物(S)Sulfide,%                         ≤0.001       0.001      0.005
硫酸盐(SO4)Sulfale,%                       ≤0.002       0.005      0.02
铵盐(NH4)Ammornium,%                       ≤0.001      0.002      0.005
钠(Na)Sodium,%                             ≤0.01        0.02         --
铁(Fe)Iron,%                               ≤0.00005     0.0001     0.0002
铜(Cu)Copper,%                             ≤0.0002      0.0005       --
铅(Pb)Lead,%                               ≤0.0002      0.0005     0.001
还原碘的物质Substances reducing iodine,%     ≤0.02        0.025      0.06


项目名称                                                 ACS Grade
纯度Purity(Titration by AgNO3 )                             ≥99 %
水不溶物Insoluble matter                                   ≤0.005%
氯化物及氯酸盐(以Cl计)Chlorine and bromide(as Cl)          ≤0.005%
硫酸盐(SO4)Sulfate                                         ≤0.005%
铵盐(NH4)Ammonium                                          ≤0.003%
重金属(以Pb计)Heavy metals                                 ≤5ppm
铁(Fe)Iron                                                 ≤2ppm
钠(Na)Sodium                                               ≤0.005%
碘消耗物Iodine-consuming substances                        passes



99.99% metals basis:


外观Appearance                          Colorless to White Crystalline Powder or Crystals
X-射线衍射分析X-Ray Diffraction         Conforms to Structure
纯度Purity                              ≥99.99% Based on Trace Metals Impurities
ICP Major Analysis                      Confirms Hafnium component
总痕量金属杂质total metallic impurities   ≤200ppm by ICP Atomic emission

  
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