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盐酸胍
Guanidine Hydrochloride
CAS号: 50-01-1
分子式: CH5N3·HCl
分子量: 95.53
别名: 盐酸亚氨脲;胍盐酸盐;氨基甲脒盐酸盐;胍单盐酸盐
分子结构式:
  货号   品名   产品规格   包装   单价(RMB)   促销价(RMB) 可用库存 备注 数量
151909 盐酸胍 蛋白变性专用,99.5% 500g 1120.00 1064 >10 c-d
117445 盐酸胍 分子生物学级,99.5% 500g 2585.00 2455.75 >10 c-d
117444 盐酸胍 分子生物学级,99.5% 100g 684.00 649.8 >10 c-d
117443 盐酸胍 分子生物学级,99.5% 25g 196.00 186.2 >10 c-d
117442 盐酸胍 99.5% 500g 399.00 379.05 >10 c-d
117441 盐酸胍 99.5% 100g 89.00 84.55 >10 c-d
117440 盐酸胍 AR 25g 15.00 14.25 >10 促销
117439 盐酸胍 蛋白变性专用,99.5% 100g 370.00 351.5 >10 c-d
117438 盐酸胍 蛋白变性专用,99.5% 25g 157.00 149.15 >10 c-d
117437 盐酸胍 AR 500g 145.00 137.75 >10 c-d
117436 盐酸胍 AR 100g 45.00 42.75 >10 c-d
117435 盐酸胍 CP 100g 27.00 25.65 >10 c-d
117434 盐酸胍 CP 500g 67.00 63.65 >10 c-d
性状
质量标准
用途
危险性质
贮存

白色结晶性粉末。易溶于水和乙醇,水溶液呈中性。有毒,半数致死量(小鼠,腹腔)500mg/kg。有刺激性。
密度:1.354
熔点:187℃-190℃

项目                                      分析纯    
                                          (AR)      
铵盐ammonium salt                         ≤0.05%  
含量Assay                                 ≥99.0%  
水分Water                                 ≤0.2%  
水溶解试验Solubility(in water)            合格
灼烧残渣Residue ignition                  ≤0.1%


项目                                      化学纯  
                                           (CP)
铵ammonium salt                           ≤0.1%  
含量Assay                                 ≥98.0%  
水分Water                                 ≤0.5%  
水溶解试验Solubility(in water)            合格  
灼烧残渣Residue ignition                  ≤0.2%


品级Grade                                蛋白变性专用  
                                        (for Protein Research)
外观Appearance                          白色结晶性粉末
红外光谱鉴别Infrared spectrometry       和对照匹配
纯度Purity                              ≥99.5% (银量滴定)  
熔点Melting point                       185°C - 189°C
蛋白分析测试protein-analysis            pass test
蛋白变性试验Protein denaturation test   pass test
不溶物insoluble matter                  passes filter test
灼烧残渣ign. residue                    ≤0.05% (as SO4)
干燥损失loss on drying                  ≤0.05% , 20 °C (HV)
pH                                      4.5-6.0 (25 °C, 6 M in H2O)  
λ 6 M in H2O (6mol/L, H2O)
紫外吸光度UV absorption
  λ: 260 nm A:                          ≤0.03
  λ: 280 nm A:                          ≤0.02



品级Grade                               分子生物学级  
                                 (for molecular biology, ≥99.5% (AT))
外观Appearance                          白色粉末
红外光谱鉴别Infrared spectrometry       Conforms
纯度Purity                              ≥99.5% (银量滴定)
DNA酶DNases,                            none detected
RNA酶RNases,                            none detected
不溶物insoluble matter,                 passes filter test
磷酸酶phosphatases,                     none detected
蛋白酶proteases,                        none detected
灼烧残渣Residue on ignition            ≤0.05% (as SO4)
干燥损失loss on drying                 ≤0.05%, 20 °C (HV)
pH                                     4.5-6.0 (25 °C, 6 M in H2O)
熔点Melting point                      187°C - 190°C
水溶性solubility H2O:                  无色透明
sulfate (SO42-):                       ≤50 ppm
  Al:                                  ≤5 ppm
  As:                                  ≤0.1 ppm
  Ba:                                  ≤5 ppm  
  Bi:                                  ≤5 ppm
  Ca:                                  ≤10 ppm  
  Cd:                                  ≤5 ppm  
  Co:                                  ≤5 ppm
  Cr:                                  ≤5 ppm  
  Cu:                                  ≤5 ppm
  Fe:                                  ≤5 ppm  
  K:                                   ≤50 ppm  
  Li:                                  ≤5 ppm  
  Mg:                                  ≤5 ppm  
  Mn:                                  ≤5 ppm  
  Mo:                                  ≤5 ppm
  Na:                                  ≤50 ppm
  Ni:                                  ≤5 ppm  
  Pb:                                  ≤5 ppm  
  Sr:                                  ≤5 ppm  
  Zn:                                  ≤5 ppm  
λ 6 M in H2O (6mol/L, H2O)
紫外吸光度UV absorption
  λ: 260 nm A:                         ≤0.03
  λ: 280 nm A:                         ≤0.02


品级Grade                                  99.5%

外观Appearance                          White powder
纯度Purity(titration)                   ≥99.5 %
溶解试验Solubility                      Colorless and clear(6 M in H2O)
干燥失重Loss on Drying                  ≤0.05 %
灼烧残渣Residue on ignition (Ash)       ≤0.05 %
不溶物Insoluble Matter                  Passes filter test

检定金、铱、锇、铂和钌。变性,RNA分离。
强离液剂,用以变性和复性蛋白质。这种强劲的变性剂可以溶解不溶或变性的蛋白,如包涵体。这被用来作为复性到蛋白质或酶复性到活性状态的第一步。尿素和二硫苏糖醇(DTT)可能也是必要的。

WGK Germany  1
RTECS号 MF4300000
F  3-10
危险品标志  Xn,Xi
危险类别码  22-36/38
安全说明  26-36-22

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