1.05073
di-Potassium oxalate monohydrate
for analysis EMSURE® ACS
别名:
di-Potassium oxalate monohydrate, Oxalic acid dipotassium salt monohydrate
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关于此项目
经验公式（希尔记法）:
C2K2O4 · xH2O
化学文摘社编号:
分子量:
166.22 (anhydrous basis)
UNSPSC Code:
12352107
EC Index Number:
209-506-8
NACRES:
NA.21
MDL number:
Assay:
99.5-101.0% (oxidimetric)
Grade:
ACS reagent
Form:
solid
Solubility:
392 g/L (anhydrous substance)
SMILES string
[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
grade
ACS reagent
vapor pressure
<0.1 hPa ( 20 °C)
product line
EMSURE®
assay
99.5-101.0% (oxidimetric)
form
solid
potency
660 mg/kg LD50, oral (Rat)
impurities
≤0.01% Insoluble matter
pH
7.0-8.5 (20 °C, 50 g/L in H2O)
mp
>138 °C (decomposition)
solubility
392 g/L (anhydrous substance)
density
2.20 g/cm3 at 20.4 °C
bulk density
700‑1100 kg/m3
anion traces
chloride (Cl-): ≤0.001%, sulfate (SO42-): ≤0.01%
cation traces
Fe: ≤0.0005%, NH4+: ≤0.002%, Na: ≤0.02%, heavy metals (as Pb): ≤0.001%
storage temp.
2-30°C
Quality Level
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Analysis Note
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
Legal Information
EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany
signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Irrit. 2
存储类别
13 - Non Combustible Solids
wgk
WGK 1
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