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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
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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