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6487-48-5 molecular structure
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dipotassium hydrate oxalate

ChemBase ID: 130817
Molecular Formular: C2H2K2O5
Molecular Mass: 184.23088
Monoisotopic Mass: 183.91763652
SMILES and InChIs

SMILES:
C(=O)(C(=O)[O-])[O-].O.[K+].[K+]
Canonical SMILES:
[O-]C(=O)C(=O)[O-].O.[K+].[K+]
InChI:
InChI=1S/C2H2O4.2K.H2O/c3-1(4)2(5)6;;;/h(H,3,4)(H,5,6);;;1H2/q;2*+1;/p-2
InChIKey:
QCPTVXCMROGZOL-UHFFFAOYSA-L

Cite this record

CBID:130817 http://www.chembase.cn/molecule-130817.html

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NAMES AND DATABASE IDS

NAMES AND DATABASE IDS

Names Database IDs
IUPAC name
dipotassium hydrate oxalate
IUPAC Traditional name
dipotassium hydrate oxalate
Synonyms
Potassium oxalate monohydrate, ACS
Ethanedioic acid
Oxalic acid potassium salt
Potassium oxalate monohydrate
Oxalic acid potassium salt monohydrate
Potassium oxalate hydrate
草酸钾单水合物, ACS
乙二酸
草酸 钾盐
草酸二钾 一水合物
草酸钾水合物
CAS Number
6487-48-5
EC Number
209-506-8
MDL Number
MFCD00150033
Beilstein Number
3752576
Merck Index
147651
PubChem SID
24898140
24881879
24853381
162225095
24855358
24859216
24863682
PubChem CID
2724193

CALCULATED PROPERTIES

CALCULATED PROPERTIES

JChem
Acid pKa 1.3639908  H Acceptors
H Donor LogD (pH = 5.5) -5.101814 
LogD (pH = 7.4) -6.8848467  Log P -0.26375157 
Molar Refractivity 36.1128 cm3 Polarizability 5.6277657 Å3
Polar Surface Area 80.26 Å2 Rotatable Bonds
Lipinski's Rule of Five true 

PROPERTIES

PROPERTIES

Physical Property Safety Information Product Information Bioassay(PubChem)
Solubility
H2O: soluble0.1 M, clear, colorless expand Show data source
H2O: soluble1 M at 20 °C, clear, colorless expand Show data source
Soluble in water expand Show data source
Apperance
Granular/powder expand Show data source
Melting Point
>300°C expand Show data source
Density
2.13 expand Show data source
pH
7.0-8.5 (20 °C, 5%) expand Show data source
7.0-8.5 (25 °C, 1 M in H2O) expand Show data source
7.0-8.5 (25 °C, 50 mg/mL in H2O) expand Show data source
7-8.5 (20 °C, 5%) expand Show data source
Storage Warning
Hygroscopic expand Show data source
RTECS
RO2885000 expand Show data source
European Hazard Symbols
X expand Show data source
Harmful Harmful (Xn) expand Show data source
UN Number
2928 expand Show data source
MSDS Link
Download expand Show data source
Download expand Show data source
Download expand Show data source
Download expand Show data source
Download expand Show data source
Download expand Show data source
Download expand Show data source
German water hazard class
1 expand Show data source
Hazard Class
6.1 expand Show data source
Packing Group
1 expand Show data source
Risk Statements
21/22 expand Show data source
Safety Statements
24/25 expand Show data source
TSCA Listed
expand Show data source
GHS Pictograms
GHS07 expand Show data source
GHS Signal Word
Warning expand Show data source
GHS Hazard statements
H302-H312 expand Show data source
GHS Precautionary statements
P280 expand Show data source
P280-P302+P352-P322-P301+P312-P312-P501A expand Show data source
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves expand Show data source
RID/ADR
UN 2928 6.1/PG 1 expand Show data source
Purity
≥98% expand Show data source
≥98.5% expand Show data source
≥99% expand Show data source
≥99.0% expand Show data source
≥99.0% (RT) expand Show data source
≥99.5% (RT) expand Show data source
98.5-101.0% (ACS specification) expand Show data source
98.8-101.0% expand Show data source
99% expand Show data source
99.5-101.0% expand Show data source
99.98% trace metals basis expand Show data source
Grade
ACS reagent expand Show data source
JIS special grade expand Show data source
puriss. expand Show data source
puriss. p.a. expand Show data source
purum p.a. expand Show data source
SAJ first grade expand Show data source
Suitability
passes test for reaction against H2SO4 expand Show data source
Impurities
≤0.0005% Phosphorus (P) expand Show data source
≤0.001% heavy metals (as Pb) expand Show data source
≤0.001% total nitrogen (N) expand Show data source
≤0.002% ammonium (NH4) expand Show data source
≤0.002% heavy metals (as Pb) expand Show data source
≤0.01% Insoluble matter expand Show data source
≤0.01% insolubles expand Show data source
H2SO4, passes test(darkened) expand Show data source
insoluble matter, passes filter test expand Show data source
Cation Traces
Al: ≤0.0005% expand Show data source
Al: ≤5 mg/kg expand Show data source
As: ≤0.1 mg/kg expand Show data source
Ba: ≤5 mg/kg expand Show data source
Bi: ≤5 mg/kg expand Show data source
Ca: ≤0.001% expand Show data source
Ca: ≤10 mg/kg expand Show data source
Ca: ≤50 mg/kg expand Show data source
Cd: ≤5 mg/kg expand Show data source
Cd: ≤50 mg/kg expand Show data source
Co: ≤5 mg/kg expand Show data source
Co: ≤50 mg/kg expand Show data source
Cr: ≤5 mg/kg expand Show data source
Cu: ≤0.0005% expand Show data source
Cu: ≤5 mg/kg expand Show data source
Cu: ≤50 mg/kg expand Show data source
Fe: ≤0.0005% expand Show data source
Fe: ≤0.001% expand Show data source
Fe: ≤10 mg/kg expand Show data source
Fe: ≤5 mg/kg expand Show data source
Fe: ≤50 mg/kg expand Show data source
heavy metals (as Pb): ≤0.002% expand Show data source
Li: ≤5 mg/kg expand Show data source
Mg: ≤0.001% expand Show data source
Mg: ≤10 mg/kg expand Show data source
Mg: ≤5 mg/kg expand Show data source
Mn: ≤5 mg/kg expand Show data source
Mo: ≤5 mg/kg expand Show data source
Na: ≤0.02% expand Show data source
Na: ≤200 mg/kg expand Show data source
Na: ≤5000 mg/kg expand Show data source
NH4+: ≤0.002% expand Show data source
Ni: ≤5 mg/kg expand Show data source
Ni: ≤50 mg/kg expand Show data source
Pb: ≤0.001% expand Show data source
Pb: ≤5 mg/kg expand Show data source
Pb: ≤50 mg/kg expand Show data source
Sr: ≤5 mg/kg expand Show data source
Zn: ≤0.0005% expand Show data source
Zn: ≤5 mg/kg expand Show data source
Zn: ≤50 mg/kg expand Show data source
Antion Traces
chloride (Cl-): ≤0.002% expand Show data source
chloride (Cl-): ≤10 mg/kg expand Show data source
chloride (Cl-): ≤20 mg/kg expand Show data source
chloride (Cl-): ≤50 mg/kg expand Show data source
phosphate (PO43-): ≤10 mg/kg expand Show data source
sulfate (SO42-): ≤0.01% expand Show data source
sulfate (SO42-): ≤100 mg/kg expand Show data source
sulfate (SO42-): ≤200 mg/kg expand Show data source
sulfate (SO42-): ≤50 mg/kg expand Show data source
Product Line
BioUltra expand Show data source
abs.
absorption1M/286 nm, H2O cut-off expand Show data source
Linear Formula
(COOK)2 · H2O expand Show data source
Neutrality
passes test expand Show data source

DETAILS

DETAILS

Sigma Aldrich Sigma Aldrich
Sigma Aldrich - 60424 external link
Other Notes
Anti-coagulant for venous blood samples1
Sigma Aldrich - 379727 external link
Packaging
5 g in poly bottle
Sigma Aldrich - 223425 external link
Packaging
12 kg in fiber drum
500 g in poly bottle
2.5 kg in poly bottle

REFERENCES

REFERENCES

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PATENTS

PATENTS

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INTERNET

INTERNET

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