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Merck
CN
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文件

1.04854

Supelco

Potassium hydrogen carbonate

for analysis EMSURE® ACS

别名:

Potassium hydrogen carbonate, Potassium bicarbonate

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About This Item

经验公式(希尔记法):
CHKO3
CAS号:
分子量:
100.12
MDL编号:
UNSPSC代码:
12352302
EC索引号:
206-059-0
NACRES:
NA.21

等级

ACS reagent

质量水平

产品线

EMSURE®

检测方案

≥99.5% (acidimetric)
99.7-100.5% dry basis (acidimetric)

形式

powder or crystals

效能

>2000 mg/kg LD50, oral (Rat)

杂质

≤0.01% Insoluble matter

pH值(酸碱度)

8.4-8.6 (20 °C, 99 g/L in H2O)

溶解性

362 g/L

密度

2.17 g/cm3 at 20 °C

痕量阴离子

chloride (Cl-): ≤0.001%
phosphate (PO43-): ≤0.0005%
phosphate, silicate (as SiO2): ≤0.001%
sulfate (SO42-): ≤0.001%
sulfur compounds (as SO42-): ≤0.003%

痕量阳离子

Al: ≤0.0005%
Ca: ≤0.0005%
Fe: ≤0.0005%
Mg: ≤0.001%
N: ≤0.001%
NH4+: ≤0.0005%
Na: ≤0.02%
heavy metals (as Pb): ≤0.0005%

储存温度

15-25°C

InChI

1S/CH2O3.K/c2-1(3)4;/h(H2,2,3,4);/q;+1/p-1

InChI key

TYJJADVDDVDEDZ-UHFFFAOYSA-M

应用

  • Purines, pyrimidines, and imidazoles. XXXVI. Carboxylation of some 5-aminoimidazoles and related compounds, including nucleosides and nucleotides, with potassium hydrogen carbonate in aqueous solution.: This study explored the carboxylation reactions of 5-aminoimidazoles and related compounds using potassium hydrogen carbonate in aqueous solutions, highlighting its application in synthetic organic chemistry (Cusack NJ et al., 1971).

联系

Replaces: PX1345; PX1345-1; PX1345-30

分析说明

Assay (acidimetric; dried substance): 99.7 - 100.5 %
Assay (acidimetric): ≥ 99.5 %
Insoluble matter: ≤ 0.01 %
Chloride (Cl): ≤ 0.001 %
Phosphate (PO₄): ≤ 0.0005 %
Phosphate and Silicate (as SiO₂): ≤ 0.001 %
Sulfate (SO₄): ≤ 0.001 %
Total sulfur (as sulfate): ≤ 0.003 %
Total nitrogen (N): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.0005 %
Al (Aluminium): ≤ 0.0005 %
Ca (Calcium): ≤ 0.0005 %
Fe (Iron): ≤ 0.0005 %
Mg (Magnesium): ≤ 0.001 %
Na (Sodium): ≤ 0.02 %
NH₄ (Ammonium): ≤ 0.0005 %
Corresponds to ACS

法律信息

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

储存分类代码

11 - Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable


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