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Merck
CN

71635

Sigma-Aldrich

柠檬酸钠二盐酸盐 倍半水合物

purum p.a., ≥99.0% (T)

别名:

枸橼酸氢二钠 倍半水合物, 柠檬酸 二钠盐

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About This Item

线性分子式:
HOC(COOH)(CH2COONa)2 · 1.5H2O
CAS号:
分子量:
263.11
Beilstein:
3770069
EC 号:
UNSPSC代码:
12352100
PubChem化学物质编号:
NACRES:
NA.21

等级

purum p.a.

质量水平

检测方案

≥99.0% (T)

形式

crystals

pH值(酸碱度)

4.6-5.2 (25 °C, 50 mg/mL in H2O)

溶解性

water: soluble 263.1 g/L

痕量阴离子

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤50 mg/kg

痕量阳离子

Ca: ≤50 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤50 mg/kg
K: ≤100 mg/kg
Ni: ≤50 mg/kg
Pb: ≤50 mg/kg
Zn: ≤50 mg/kg

SMILES字符串

O.O.O.[Na+].[Na+].[Na+].[Na+].OC(=O)CC(O)(CC([O-])=O)C([O-])=O.OC(=O)CC(O)(CC([O-])=O)C([O-])=O

InChI

1S/C6H8O7.2Na.H2O/c7-3(8)1-6(13,5(11)12)2-4(9)10;;;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);;;1H2/q;2*+1;/p-2

InChI key

XNZQCYSOYHAYII-UHFFFAOYSA-L

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一般描述

倍半水合枸橼酸钠是一种无色结晶钠盐。

应用

可在以下研究中使用枸橼酸钠倍半水合物:
  • 在 Supel Que 柠檬酸盐 (EN) 管中,通过三重四极杆 GC-QqQ-MS/MS [气相色谱串联质谱法 (GC-MS/MS) 与三重四极杆 (QqQ) 分析仪] 方法定量测定黑加仑中的农药。
  • 分散固相萃取 (dSPE) 法,通常称为 QuEChERS。2
  • RNA 沉淀液的制备。

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)


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