60589

Potassium tetraoxalate dihydrate

BioUltra, ≥99.5% (RT)

• Synonym(s): Oxalic acid hemipotassium salt
• Linear Formula: KH₃(C₂O₄)₂ · 2H₂O
• CAS Number: 6100-20-5
• Molecular Weight: 254.19
• Beilstein: 3854419
• EC Number: 204-874-6
• MDL number: MFCD00150443
• UNSPSC Code: 12000000
• PubChem Substance ID: 24881922

Properties

• product line: BioUltra
• Assay: ≥99.5% (RT)
• impurities: insoluble matter, passes filter test
• pH: 1.0-2.5 (25 °C, 0.1 M in H₂O)
• solubility: H₂O: 0.1 M at 20 °C, clear, colorless
• anion traces: chloride (Cl^-): ≤10 mg/kg; sulfate (SO₄^2-): ≤100 mg/kg
• cation traces: Al: ≤10 mg/kg; As: ≤0.1 mg/kg; Ba: ≤5 mg/kg; Bi: ≤5 mg/kg; Ca: ≤10 mg/kg; Cd: ≤5 mg/kg; Co: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: ≤5 mg/kg; Fe: ≤5 mg/kg; Li: ≤5 mg/kg; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Mo: ≤5 mg/kg; NH₄⁺: ≤50 mg/kg; Na: ≤50 mg/kg; Ni: ≤5 mg/kg; Pb: ≤5 mg/kg; Sr: ≤5 mg/kg; Zn: ≤5 mg/kg
• absorption: cut-off at 289 nm in H₂O at 0.1 M
• SMILES string: O.O.[K+].OC(=O)C(O)=O.OC(=O)C([O-])=O
• InChI: 1S/2C2H2O4.K.2H2O/c2*3-1(4)2(5)6;;;/h2*(H,3,4)(H,5,6);;2*1H2/q;;+1;;/p-1
• InChI key: KPFHSTZUXXJAES-UHFFFAOYSA-M

Description

Other Notes

Secondary standard buffer[1]

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H302 + H312,H319
• Precautionary Statements: P264 - P280 - P301 + P312 - P302 + P352 + P312 - P305 + P351 + P338 - P337 + P313
• Hazard Classifications: Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Irrit. 2
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves