Synonyms: Acetic acid sodium salt trihydrate
C₂H₃NaO₂ • 3H₂O
CH₃COONa • 3H₂O
M_r 136.08
CAS Number [6131-90-4]
EC Number 204-823-8
Merck 14,8571
Beilstein Registry Number 3732037
RTECS AJ4580000
MDL Number MFCD00071557
PubChem Substance ID 24886015
Purity ≥ 99.5%
pKa = 4.8

The useful pH range of a Sodium acetate trihydrate buffer is pH 3.6 – 5.6.

Titrate HR2-569 to the desired pH using HCl
HR2-569 Measured pH Range: 8.7 – 9.3 at 25°C
HR2-569 Measured Conductivity Range: 48.0 – 51.7 mS/cm at 25°C
HR2-569 Measured Refractive Index Range: 1.34395 – 1.34415 at 20°C

HR2-789 has been titrated to pH 4.5 using HCl
HR2-789 Measured Conductivity Range: 60.8 – 67.7 mS/cm at 25°C
HR2-789 Measured Refractive Index Range: 1.34530 – 1.34579 at 20°C

HR2-731 has been titrated to pH 4.6 using HCl
HR2-731 Measured Conductivity Range: 59.3 – 64.5 mS/cm at 25°C
HR2-731 Measured Refractive Index Range: 1.34535 – 1.345745 at 20°C

Al  ≤0.0005%
As ≤0.00001%
Bi  ≤0.0005%
Ca ≤0.001%
Cd ≤0.0005%
Cl  ≤0.0005%
Co ≤0.0005%
Cr  ≤0.0005%
Cu ≤0.0005%
Fe  ≤0.0005%
K   ≤0.005%
Li   ≤0.0005%
Mg ≤0.0005%
Mn ≤0.0005%
Mo ≤0.0005%
Ni  ≤0.0005%
Pb  ≤0.0005%
PO₄ ≤0.0005%
SO₄ ≤0.002%
Sr  ≤0.0005%
Zn  ≤0.0005%

三水醋酸钠缓冲液
应用
结晶级三水醋酸钠缓冲液，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
由三水醋酸钠配制而成

别名：醋酸钠盐三水合物
C2H3NaO2 • 3H2O
CH3COONa • 3H2O
136.08 先生
CAS 编号 [6131-90-4]
EC 编号 204-823-8
默克 14,8571
贝尔斯坦注册号 3732037
RTECS AJ4580000
MDL 编号 MFCD00071557
PubChem 物质 ID 24886015
纯度≥ 99.5%
pKa = 4.8

三水合醋酸钠缓冲液的可用 pH 范围为 pH 3.6 – 5.6。

使用 HCl 将 HR2-569 滴定至所需的 pH
HR2-569 测量的 pH 值范围：8.7 – 9.3 在 25°C
HR2-569 测得的电导率范围：48.0 – 51.7 mS/cm at 25°C
HR2-569 测量的折射率范围：1.34395 – 1.34415 at 20°C

HR2-789 已使用 HCl 滴定至 pH 4.5
HR2-789 测量电导率范围：60.8 – 67.7 mS/cm at 25°C
HR2-789 测量的折射率范围：1.34530 – 1.34579 at 20°C

HR2-731 已使用 HCl 滴定至 pH 4.6
HR2-731 测量电导率范围：59.3 – 64.5 mS/cm at 25°C
HR2-731 测量的折射率范围：1.34535 – 1.345745 at 20°C

铝≤0.0005%
≤0.00001%
铋≤0.0005%
钙≤0.001%
镉≤0.0005%
氯≤0.0005%
钴≤0.0005%
铬≤0.0005%
铜≤0.0005%
铁≤0.0005%
钾≤0.005%
锂≤0.0005%
镁≤0.0005%
锰 ≤0.0005%
钼≤0.0005%
镍≤0.0005%
铅≤0.0005%
PO4 ≤0.0005%
SO4 ≤0.002%
锶≤0.0005%
锌≤0.0005%

1.0 M Sodium acetate trihydrate

1.0 M Sodium acetate trihydrate pH 4.5

1.0 M Sodium acetate trihydrate pH 4.6

 HR2-569 Sodium acetate trihydrate solution SDS HR2-789 Sodium acetate trihydrate pH 4.5 solution SDS HR2-731 Sodium acetate trihydrate pH 4.6 solution SDS Titration Table

1. Crystal structure of thioltransferase at 2.2 A resolution. Katti, SK; Robbins, AH; Yang, Y; Wells, WW. Protein Sci 4, 1998- 2005, 1995.