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Merck
CN

S9763

Sigma-Aldrich

磷酸钠 二元

ACS reagent, ≥99.0%

别名:

磷酸二钠, 磷酸二钠, 磷酸氢二钠, 磷酸氢钠

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关于此项目

线性分子式:
Na2HPO4
化学文摘社编号:
7558-79-4
分子量:
141.96
EC 号:
231-448-7
MDL编号:
MFCD00003496
UNSPSC代码:
12352302
eCl@ss:
38070211
PubChem化学物质编号:
329824633
NACRES:
NA.21

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等级

ACS reagent

质量水平

200

Agency

suitable for SM 5210

方案

≥99.0%

表单

powder

杂质

≤0.002% Chloride (Cl)
≤0.01% Insoluble matter

缺失

≤0.2% loss on drying, 105°C

pH值（酸碱度）

8.7-9.3 (25 °C, 5% in solution)

pKa (25 °C)

(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)

溶解性

water: 5% at 25 °C, clear

痕量阴离子

sulfate (SO42-): ≤0.005%

痕量阳离子

Fe: ≤0.002%
heavy metals: ≤0.001% (by ICP-OES)

SMILES字符串

[Na+].[Na+].[H]OP([O-])([O-])=O

InChI

1S/2Na.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2

InChI key

BNIILDVGGAEEIG-UHFFFAOYSA-L

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相关类别

一般描述

磷酸氢二钠和磷酸二氢钠可联合用于制备口服磷酸钠盐溶液(OSPS)，该溶液是在结肠镜检查前用于清洁肠道的泻药。

应用

磷酸氢二钠已用于：
  • 制备用于灌注的磷酸盐缓冲液
  • 蛋白免疫印迹分析
  • 间接酶联免疫吸附测定

其他说明

参见Redi-Dri™ 产品列表795410

法律信息

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

储存分类代码

13 - Non Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
0000482663
0000482663
0000468888
0000468888
BCCN5838

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