等级
ACS reagent
质量水平
蒸汽压
<0.1 hPa ( 20 °C)
产品线
EMSURE®
方案
99.5-101.0% (oxidimetric)
表单
solid
效能
660 mg/kg LD50, oral (Rat)
杂质
≤0.01% Insoluble matter
pH值（酸碱度）
7.0-8.5 (20 °C, 50 g/L in H2O)
mp
>138 °C (decomposition)
溶解性
392 g/L (anhydrous substance)
密度
2.20 g/cm3 at 20.4 °C
堆积密度
700‑1100 kg/m3
痕量阴离子
chloride (Cl-): ≤0.001%
sulfate (SO42-): ≤0.01%
痕量阳离子
Fe: ≤0.0005%
NH4+: ≤0.002%
Na: ≤0.02%
heavy metals (as Pb): ≤0.001%
储存温度
2-30°C
SMILES字符串
[K+].[K+].[O-]C(=O)C(=O)[O-].O
InChI
1S/C2H2O4.2K.H2O/c3-1(4)2(5)6;;;/h(H,3,4)(H,5,6);;;1H2/q;2*+1;/p-2
InChI key
QCPTVXCMROGZOL-UHFFFAOYSA-L
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分析说明
Assay (oxidimetric): 99.5 - 101.0 %
Insoluble matter: ≤ 0.01 %
Neutrality: passes test
Chloride (Cl): ≤ 0.001 %
Sulfate (SO₄): ≤ 0.01 %
Heavy metals (as Pb): ≤ 0.001 %
NH₄ (Ammonium): ≤ 0.002 %
Fe (Iron): ≤ 0.0005 %
Na (Sodium): ≤ 0.02 %
Substances darkened by hot sulfric acid: passes test
Corresponds to ACS
Insoluble matter: ≤ 0.01 %
Neutrality: passes test
Chloride (Cl): ≤ 0.001 %
Sulfate (SO₄): ≤ 0.01 %
Heavy metals (as Pb): ≤ 0.001 %
NH₄ (Ammonium): ≤ 0.002 %
Fe (Iron): ≤ 0.0005 %
Na (Sodium): ≤ 0.02 %
Substances darkened by hot sulfric acid: passes test
Corresponds to ACS
法律信息
EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany
警示用语：
Warning
危险分类
Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Irrit. 2
储存分类代码
13 - Non Combustible Solids
WGK
WGK 1
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