60589
Fluka
Potassium tetraoxalate dihydrate
BioUltra, ≥99.5% (RT)
| Synonym: | Oxalic acid hemipotassium salt |
| CAS Number: | 6100-20-5 |
| Linear Formula: | KH3(C2O4)2 · 2H2O |
| Molecular Weight: | 254.19 |
| Beilstein Registry Number: | 3854419 |
| EC Number: | 204-874-6 |
| MDL number: | MFCD00150443 |
| PubChem Substance ID: | 24881922 |
Description
| Other Notes | Secondary standard buffer1 |
Properties
| product line | BioUltra |
| assay | ≥99.5% (RT) |
| total 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 (SO42-): ≤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 | |
| abs. | absorption |
Safety
| Personal Protective Equipment | dust mask type N95 (US), Eyeshields, Gloves |
| Hazard Codes | Xn |
| Risk Statements | 21/22 |
| Safety Statements | 24/25 |
| WGK Germany | 1 |
References
| Cited Reference | 1. Data for Biochemical Research Oxford , (1986), 423 |
