• 2-环己胺基乙磺酸 [103-47-9]

  • 英文名:CHES
  • 别名:2-(N-环己氨基)乙磺酸,N-环己基-2-氨基乙磺酸
  • CAS号:103-47-9 分子式:C8H17NO3S 分子量:207.30
P153901-500g 2-环己胺基乙磺酸 [103-47-9] ≥99.0% (T) 500g 620.00
P153900-100g 2-环己胺基乙磺酸 [103-47-9] ≥99.0% (T) 100g 180.00
P153909-25g 2-环己胺基乙磺酸 [103-47-9] ≥99.0% (T) 25g 80.00
P153908-100g 2-环己胺基乙磺酸 [103-47-9] ≥99.5% (T) 100g 688.00
P153907-25g 2-环己胺基乙磺酸 [103-47-9] ≥99.5% (T) 25g 196.00
订货编号 商品名称 规格 包装 单价 促销价 会员价 数量
P153901-500g 2-环己胺基乙磺酸 [103-47-9] ≥99.0% (T) 500g 620.00 620.00 登录可见
P153901-500g 2-环己胺基乙磺酸 [103-47-9] ≥99.0% (T) 500g 620.00
P153900-100g 2-环己胺基乙磺酸 [103-47-9] ≥99.0% (T) 100g 180.00 180.00 登录可见
P153900-100g 2-环己胺基乙磺酸 [103-47-9] ≥99.0% (T) 100g 180.00
P153909-25g 2-环己胺基乙磺酸 [103-47-9] ≥99.0% (T) 25g 80.00 80.00 登录可见
P153909-25g 2-环己胺基乙磺酸 [103-47-9] ≥99.0% (T) 25g 80.00
P153908-100g 2-环己胺基乙磺酸 [103-47-9] ≥99.5% (T) 100g 688.00 688.00 登录可见
P153908-100g 2-环己胺基乙磺酸 [103-47-9] ≥99.5% (T) 100g 688.00
P153907-25g 2-环己胺基乙磺酸 [103-47-9] ≥99.5% (T) 25g 196.00 196.00 登录可见
P153907-25g 2-环己胺基乙磺酸 [103-47-9] ≥99.5% (T) 25g 196.00
  •  订货编号
  •  商品名称
  •  规格
  •  包装
  •  单价
  •  促销价
  •  会员价
  •  数量

化学性质

白色结晶粉末。 熔点:≥300℃ pH range 8.6 - 10.0 pKa (25 °C) 9.3

质量标准

  

≥99.0% (T):

外观appearance                         white crystalline powder
水溶性solubility                       clear colorless solution at 15g plus 85ml of water
红外光谱Infrared spectrometry          Conforms to Structure
水分water by karl fischer              ≤ 1%
紫外吸收uv absorbance                  ≤ 0.05 at 290nm (15% w/w)
重金属heavy metals                     ≤ 5 ppm (as lead)
纯度purity by NaOH titration           ≥ 99%
note * (anhydrous basis)


≥99.5% (T):


外观appearance                         white crystalline powder
红外光谱Infrared spectrometry          Conforms to Structure
纯度Purity                             ≥99.5% (T)
insoluble matter,                      passes filter test
ign. residue                           ≤0.05%
loss on drying, 110 °C                ≤0.5%  
pH                                     3.0-5.0 (25 °C, 0.5 M in H2O)
useful pH range                        8.6 - 10.0
pKa (25 °C)                           9.3
水溶性solubility H2O:                  soluble0.5 M at 20 °C, clear, colorless
氯chloride (Cl-):                      ≤50 ppm
  sulfate (SO42-):                     ≤500 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                                0.5 M in H2O
UV absorption λ: 260 nm A:             ≤0.08
  λ: 280 nm A:                        ≤0.05

  

危险性质

  

用途及存储

生物研究用Good's缓冲液中的成分

  密封干燥保存。