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N,N-(2-羟乙基)-2-氨基乙磺酸
Cas号:10191-18-1
分子式:C6H15NO5S 分子量:213.20
别名:N,N-双(2-羟乙基)-2-氨基乙磺酸,N,N-二(2-羟乙基)-2-氨基乙磺酸,2-(二乙醇氨基)乙磺酸
订货信息
产品编号 名称 规格 包装 售价(RMB) 促销价(RMB) 库存量 数量 在线订购
112284 N,N-(2-羟乙基)-2-氨基乙磺酸 ≥99% (T) 25g 79 55 >30 立即订购
112285 N,N-(2-羟乙基)-2-氨基乙磺酸 ≥99% (T) 100g 195 137 >30 立即订购
112286 N,N-(2-羟乙基)-2-氨基乙磺酸 ≥99% (T) 500g 695 486 >30 立即订购
112287 N,N-(2-羟乙基)-2-氨基乙磺酸 ≥99.5% (T) 25g 199 139 >30 立即订购
112288 N,N-(2-羟乙基)-2-氨基乙磺酸 ≥99.5% (T) 100g 697 >30 立即订购
112289 N,N-(2-羟乙基)-2-氨基乙磺酸 用于分子生物学, ≥99.5% (T) 25g 693 485 >30 立即订购
112290 N,N-(2-羟乙基)-2-氨基乙磺酸 用于分子生物学, ≥99.5% (T) 100g 2478 1735 >30 立即订购
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。
熔点:152-154℃
useful pH range 6.4 - 7.8 
pKa (25 °C) 7.1
质量标准
99%:

纯度assay                             ≥99.0%(T)
水分Moistrue                          ≤0.5%
氯Chloride                            ≤0.05%
重金属Heavy Metals (as Pb)           <5PPM 
灼烧残渣Residue On Ignition           ≤0.1%
pH(1%;H2O)                            4.1-4.5(20℃)
A260(1M,water):                       ≤0.095
A280(1M,water):                       ≤0.080


99.5%:


含量assay                              ≥99.5% (T) 
灼烧残渣Residue on ignition(900 °C)   ≤0.05% 
pH                                    2.5-5.0 (25 °C, 1 M in H2O) 
useful pH range                       6.4 - 7.8 
pKa (25 °C)                          7.1 
水溶性solubility H2O:                 soluble1 M at 20 °C, clear, colorless 
氯(Cl-):                              ≤50 ppm 
硫酸根sulfate (SO42-):                ≤100 ppm 
cation traces by ICP Atomic emission
  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 
UV absorption 
  λ: 260 nm A:                       ≤0.095 
  λ: 280 nm A:                       ≤0.080 



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(900 °C)   ≤0.05% 
pH                                    2.5-5.0 (25 °C, 1 M in H2O) 
useful pH range                       6.4 - 7.8 
pKa (25 °C)                          7.1 
水溶性solubility H2O:                 soluble1 M at 20 °C, clear, colorless 
氯(Cl-):                              ≤50 ppm 
硫酸根sulfate (SO42-):                ≤100 ppm 
cation traces by ICP Atomic emission
  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 
UV absorption 
  λ: 260 nm A:                       ≤0.095 
  λ: 280 nm A:                       ≤0.080
危险性质
用途
生物缓冲剂。
存储方式
密封干燥保存。
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