商品名：N,N-(2-羟乙基)-2-氨基乙磺酸

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
N,N-Bis(2-hydroxyethyl)taurine
N,N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic acid

英文名：N,N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic acid

产 地：湖南

Cas号：10191-18-1

分子结构：

分子式：C6H15NO5S

分子量：213.2000

备注：

性状：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

存储：室温

用途：生物缓冲剂。

联合编码：

Risk：

Safety：

Hazard：