2018/8/18 12:58:01打印记事本记算器
N-2-羟乙基哌嗪-N'-2-乙磺酸

N-2-羟乙基哌嗪-N'-2-乙磺酸 [7365-45-9]

  • HEPES
  • CAS:7365-45-9      
  • 分子式:C8H18N2O4S
  • 分子量:238.30
  • MDL:MFCD00006158
  • EINECS:230-907-9
  • 别名:羟乙基哌嗪乙磺酸;4-(2-羟乙基)-1-哌嗪乙磺酸;N-(2-羟乙基)哌嗪-N'-2-乙烷磺酸
产品货号商品名称规格包装售价(RMB)促销价(RMB)库存量数量操作备注
H1148775N-2-羟乙基哌嗪-N'-2-乙磺酸 [7365-45-9]用于分子生物学, ≥99.5% (T)50g550.00->10 T59 SA202
H1148777N-2-羟乙基哌嗪-N'-2-乙磺酸 [7365-45-9]用于分子生物学, ≥99.5% (T)250g1700.00->10 T59 SA202
H1148778N-2-羟乙基哌嗪-N'-2-乙磺酸 [7365-45-9]用于分子生物学, ≥99.5% (T)25g400.00->10 SA202
H1148788N-2-羟乙基哌嗪-N'-2-乙磺酸 [7365-45-9]99%25g44.00
促销价
30.00
>10 B22 A288
H1148789N-2-羟乙基哌嗪-N'-2-乙磺酸 [7365-45-9]99%100g78.00
促销价
54.00
>10 B22 A288
H1148792N-2-羟乙基哌嗪-N'-2-乙磺酸 [7365-45-9]99%500g357.00
促销价
249.00
>10 B22 A288
化学性质质量标准危险性质用途及储存
化学性质
白色结晶粉末。 密度:1.07 pH range 6.8 - 8.2 pKa (25 °C) 7.5
质量标准
  

 
  项目                                 生化试剂级
                                        BC
纯度assay                             ≥99%(T)
水分Moistrue                          ≤0.5%
重金属Heavy Metals                    <5PPM
pH(1% in H2O)                         4.7-6.0


项目                                  超纯级
纯度assay                             ≥99.5%(T)
红外光谱Infrared                      Complies
水分Moistrue                          ≤0.5%
钙Ca                                  <10PPM
铁Iron(Fe)                            <5PPM
氯Chloride                            ≤0.005%
硫酸根Sulfate                         ≤0.005%
重金属Heavy Metals (as Pb)           <3PPM
pH(1% in H2O)                         4.7-6.0
A260(1M,water):                       ≤0.05
A280(1M,water):                       ≤0.04



品级Grade                            分子生物学级  
                                 (for molecular biology, ≥99.5% (T))
含量assay                            ≥99.5% (T)
DNA酶DNases,                         none detected
RND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          ≤0.1% (as SO4)
干燥损失loss on drying               ≤0.5% , 110 °C    
pH                                   5.0-6.5 (25 °C, 1 M in H2O)
useful pH range                      6.8 - 8.2  
pKa (25 °C)                         7.5
水溶性solubility H2O:                soluble1 M at 20 °C, clear, colorless
氯chloride (Cl-):                    ≤50 ppm
硫酸根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 1 M in H2O
紫外吸收UV absorption
  λ: 260 nm A:                      ≤0.045
  λ: 280 nm A:                      ≤0.035
 

  
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