Synonyms: Citric acid trisodium salt dihydrate or Trisodium citrate dihydrate
C₆H₅Na₃O₇ • 2H₂O
HOC(COONa)(CH₂COONa)₂ • 2H₂O
M_r 294.10
CAS Number [6132-04-3]
EC Number 200-675-3
Merck 14,8602
Beilstein Registry Number 6104939
MDL Number MFCD00150031
Purity ≥ 99.0%

Useful pH range of a Sodium citrate tribasic dihydrate buffer: 2.2 – 6.5

Titrate HR2-571 to the desired pH using HCl
HR2-571 Measured pH Range: 8.1 – 8.6 at 25°C
HR2-571 Measured Conductivity Range: 60.0 – 69.8 mS/cm at 25°C
HR2-571 Measured Refractive Index Range: 1.37345 – 1.37370 at 20°C

HR2-735 is titrated to pH 5.6 using HCl
HR2-735 Measured Conductivity Range: 67.4 – 78.5 mS/cm at 25°C
HR2-735 Measured Refractive Index Range: 1.37400 – 1.37502 at 20°C

Al  ≤0.0005%
As ≤0.00001%
Ba ≤0.0005%
Bi  ≤0.0005%
Ca ≤0.005%
Cd ≤0.0005%
Cl  ≤0.001%
Co ≤0.0005%
Cr ≤0.0005%
Cu ≤0.0005%
Fe ≤0.0005%
K   ≤0.01%
Li   ≤0.0005%
Mg ≤0.0005%
Mn ≤0.0005%
Mo ≤0.0005%
NH₄⁺ ≤0.001%
Ni  ≤0.0005%
Pb ≤0.0005%
SO₄ ≤0.005%
Zn ≤0.0005%

二水柠檬酸三钠缓冲液
应用
结晶级柠檬酸三钠二水合物缓冲液，用于配制筛选或优化
特征
无菌过滤
在 1+ 型超纯水中配制：25°C 时电阻率为 18.2 兆欧厘米，< 5 ppb 总有机碳，无细菌（<1 细菌（CFU/ml）），无热原（<0.03 内毒素（EU/ml）） , 无 RNase (< 0.01 ng/mL) 和无 DNase (< 4 pg/µL)
描述
柠檬酸三钠二水合物

别名：柠檬酸三钠盐二水合物或柠檬酸三钠二水合物
C6H5Na3O7 • 2H2O
HOC(COONa)(CH2COONa)2 • 2H2O
294.10 先生
CAS号 [6132-04-3]
EC 编号 200-675-3
默克 14,8602
贝尔斯坦注册号 6104939
MDL 编号 MFCD00150031
纯度≥ 99.0%

柠檬酸三钠二水合物缓冲液的有用 pH 范围：2.2 – 6.5

使用 HCl 将 HR2-571 滴定至所需的 pH
HR2-571 测量的 pH 值范围：8.1 – 8.6 在 25°C
HR2-571 测量电导率范围：60.0 – 69.8 mS/cm at 25°C
HR2-571 测量的折射率范围：1.37345 – 1.37370 at 20°C

HR2-735 使用 HCl 滴定至 pH 5.6
HR2-735 测量电导率范围：67.4 – 78.5 mS/cm at 25°C
HR2-735 测量的折射率范围：1.37400 – 1.37502 at 20°C

铝≤0.0005%
≤0.00001%
钡≤0.0005%
铋≤0.0005%
钙≤0.005%
镉≤0.0005%
氯≤0.001%
钴≤0.0005%
铬≤0.0005%
铜≤0.0005%
铁≤0.0005%
钾≤0.01%
锂≤0.0005%
镁≤0.0005%
锰 ≤0.0005%
钼≤0.0005%
NH4+ ≤0.001%
镍≤0.0005%
铅≤0.0005%
SO4 ≤0.005%
锌≤0.0005%

1.0 M Sodium citrate tribasic dihydrate

1.0 M Sodium citrate tribasic dihydrate pH 5.6

 HR2-571 Sodium citrate tribasic dihydrate SDS HR2-735 Sodium citrate tribasic dihydrate pH 5.6 SDS Titration Table

1. Crystallization and preliminary X-ray diffraction studies on ADP-ribosylation factor 1. Greasley, S; Jhoti, H; Fensome, AC; Cockcroft, S; Thomas, GM; Bax, B. J Mol Biol 244, 651- 653, 1994.