disodium oxalate

• ChemBase ID: 105589
• Molecular Formular: C2Na2O4
• Molecular Mass: 133.99854
• Monoisotopic Mass: 133.95919704
• SMILES: [Na+].[Na+].[O-]C(=O)C(=O)[O-]
• Canonical SMILES: [O-]C(=O)C(=O)[O-].[Na+].[Na+]
• InChI: InChI=1S/C2H2O4.2Na/c3-1(4)2(5)6;;/h(H,3,4)(H,5,6);;/q;2*+1/p-2
• InChIKey: ZNCPFRVNHGOPAG-UHFFFAOYSA-L

NAMES AND DATABASE IDS

Names

• IUPAC name: disodium oxalate
• IUPAC Traditional name: disodium oxalate; dipotassium oxalate ion
• Synonyms: Oxalic acid sodium salt; Sodium oxalate, Acculute Standard Volumetric Solution, Final Concentration 0.1N; Oxalic acid, disodium salt; Sodium ethanedioate; Ethanedioic acid sodium salt; Sodium oxalate; Ethanedioic acid disodium salt; Oxalic acid disodium salt; SODIUM OXALATE ACS REAGENT GRADE; SODIUM OXALATE; Sodium oxalate solution; Sodium oxalate, ACS; Oxalate, Ion chromatography standard solution, Specpure®, C2O4-2 1000 μg/ml; 草酸钠, 可稀释标准标定液, 最终浓度 0.1N; 乙二酸 钠盐; 草酸 二钠盐; 草酸钠; 草酸钠 溶液; 草酸钠, ACS; 草酸盐, 离子色谱标准溶液, Specpure®, C2O4-2 1000 μg/ml

Database IDs

• CAS Number: 62-76-0
• EC Number: 200-550-3; 231-791-2
• MDL Number: MFCD00012465
• Beilstein Number: 3631622
• Merck Index: 148650
• PubChem SID: 24897932; 24861069; 24863683; 162092534; 24886305; 24897926; 24853382; 24886304; 24861776
• PubChem CID: 6125
• CHEMBL: 182928
• Wikipedia Title: Sodium_oxalate

CALCULATED PROPERTIES

• Acid pKa: 1.3639908
• H Acceptors: 4
• H Donor: 0
• LogD (pH = 5.5): -5.101814
• LogD (pH = 7.4): -6.8848467
• Log P: -0.26375157
• Molar Refractivity: 36.1128 cm^3
• Polarizability: 5.6277657 Å^3
• Polar Surface Area: 80.26 Å^2
• Rotatable Bonds: 1
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: 3.7 g/100 mL (20 °C) ; 6.25 g/100 mL (100 °C) in water; H2O: soluble0.1 M at 20 °C, clear, colorless; insoluble in alcohol; Soluble in water. Insoluble in alcohol
• Apperance: Liquid; powder; Powder
• Melting Point: 250°C; 250-252 °C (482-486 °F); decomposes; 250-270°C dec.; ca 250-270°C dec.
• Density: 1.016 g/mL at 20 °C; 2.34 (water = 1); 2.34 g cm^-3; 2.340
• Vapor Pressure: Zero
• pH: 6.5-8.5 (20 °C, 2.5%); 7.0-8.5 (20 °C, 2.5%); 7-8.5 (25 °C, 0.1 M in H2O); 7-8.5 (25 °C, 2.5% in H2O)

Safety Information

• Storage Condition: Room Temperature (15-30°C), Desiccate
• Storage Warning: Hygroscopic
• RTECS: K11750000; KI1750000
• European Hazard Symbols: X; Irritant (Xi); Harmful (Xn)
• UN Number: 2811
• German water hazard class: 1; nwg
• Hazard Class: 6.1
• Packing Group: II
• Australian Hazchem: 2XE
• Risk Statements: 21/22; R:36/37/38
• Safety Statements: 24/25; 36; S:20-25-26-37/39
• EU Classification: T2
• EU Hazard Identification Number: 6.1B
• Emergency Response Guidebook(ERG) Number: 154
• TSCA Listed: 是
• GHS Pictograms: GHS07
• GHS Signal Word: Warning
• NFPA704:
  

  0

  3

  0
• GHS Hazard statements: H302-H312
• GHS Precautionary statements: P280; P280-P302+P352-P322-P301+P312-P312-P501A
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves; Eyeshields, Gloves, half-mask respirator (US), multi-purpose combination respirator cartridge (US)

Product Information

• Purity: ≥99%; ≥99% (titration); ≥99.0% (RT); ≥99.5%; ≥99.5% (RT); ≥99.99% trace metals basis; 99%; 99.5+%
• Concentration: 0.0125 M; 0.05 M; 0.05 M (COO)2Na2; 0.25 M; 1/10 N; 1/100 N; 1/2 N; 1/40 N; 25 g/L; 5 mM
• Grade: ACS; ACS reagent; certified reference material (as reductometric standard); JIS special grade; puriss.; puriss. p.a.; purum p.a.; REAGENT
• Impurities: ≤0.0005% Phosphorus (P); ≤0.0005% total nitrogen (N); ≤0.001% heavy metals (as Pb); ≤0.002% ammonium (NH4); ≤0.002% heavy metals (as Pb); ≤0.005% insolubles; ≤0.1% Insoluble matter; hot H2SO4, passes test(darkened); insoluble matter, passes filter test
• Cation Traces: Al: ≤0.0005%; Al: ≤5 mg/kg; As: ≤0.1 mg/kg; Ba: ≤5 mg/kg; Bi: ≤5 mg/kg; Ca: ≤0.001%; Ca: ≤100 mg/kg; Cd: ≤10 mg/kg; Cd: ≤50 mg/kg; Co: ≤5 mg/kg; Co: ≤50 mg/kg; Cr: ≤5 mg/kg; Cu: ≤0.0005%; Cu: ≤5 mg/kg; Cu: ≤50 mg/kg; Fe: ≤0.0005%; Fe: ≤0.001%; Fe: ≤10 mg/kg; Fe: ≤20 mg/kg; Fe: ≤5 mg/kg; Fe: ≤50 mg/kg; heavy metals (as Pb): ≤0.002%; K: ≤0.005%; K: ≤100 mg/kg; K: ≤50 mg/kg; Li: ≤5 mg/kg; Mg: ≤0.0005%; Mg: ≤10 mg/kg; Mn: ≤5 mg/kg; Mo: ≤5 mg/kg; NH4+: ≤0.002%; Ni: ≤5 mg/kg; Ni: ≤50 mg/kg; Pb: ≤0.001%; Pb: ≤5 mg/kg; Pb: ≤50 mg/kg; Sr: ≤5 mg/kg; Zn: ≤0.0005%; Zn: ≤5 mg/kg; Zn: ≤50 mg/kg
• Antion Traces: chloride (Cl-): ≤0.002%; chloride (Cl-): ≤20 mg/kg; chloride (Cl-): ≤50 mg/kg; sulfate (SO42-): ≤0.002%; sulfate (SO42-): ≤100 mg/kg; sulfate (SO42-): ≤20 mg/kg; sulfate (SO42-): ≤200 mg/kg; sulfate (SO42-): ≤500 mg/kg
• Loss on Drying: ≤0.01% loss on drying; ≤0.01% loss on drying, 105 °C; ≤0.05% loss on drying, 105 °C
• Quality: certified by BAM, according to ISO 17025; volumetric
• Factor: 0.098-1.002
• Product Line: BioUltra; BioXtra
• abs.: absorption0.1M/270 nm, H2O cut-off
• Linear Formula: NaOOCCOONa
• Neutrality: passes test

DETAILS

MP Biomedicals - 02191439

ACS Reagent Grade
Crystalline

MP Biomedicals - 05218060

MP Biomedicals Rare Chemical collection

Sigma Aldrich - 379735

Packaging
5, 25 g in poly bottle

Sigma Aldrich - 71799

Other Notes
Component in a selective media for Yersinia enterocolitica to suppress the growth of gram negative rods1

Sigma Aldrich - 35240

General description
Visit our Titration Center to learn more.

Sigma Aldrich - 71804

Analysis Note
Exact concentration, expiry date, traceability and detailed information on certification can be found on the certificate and certification report, included in each package. Content and expiry date on label.

Sigma Aldrich - O0626

Packaging
500 g in glass bottle

Sigma Aldrich - 34246

General description
Visit our Titration Center to learn more.
Packaging
The suffix -VP or -VOLPAC in the product number indicates packaging in 5 or 10 L VOLPAC containers.

Sigma Aldrich - 223433

Packaging
100, 500 g in poly bottle