Potassium acetate
SIGMA/60035 - BioUltra, Molecular Biology, ≥99.0% (NT)
CAS Number: 127-08-2
Empirical Formula (Hill Notation): C2H3KO2
Molecular Weight: 98.14
EC Number: 204-822-2
MDL Number: MFCD00012458
Linear Formula: CH3COOK
Product Type: Chemical
| λ | 1 M in H2O |
| anion traces | chloride (Cl-): ≤50 mg/kg |
| sulfate (SO42-): ≤50 mg/kg | |
| assay | ≥99.0% (NT) |
| cation traces | Al: ≤5 mg/kg |
| As: ≤0.1 mg/kg | |
| Ba: ≤5 mg/kg | |
| Bi: ≤5 mg/kg | |
| Ca: ≤50 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: ≤10 mg/kg | |
| Mn: ≤5 mg/kg | |
| Mo: ≤5 mg/kg | |
| Na: ≤5000 mg/kg | |
| Ni: ≤5 mg/kg | |
| Pb: ≤5 mg/kg | |
| Sr: ≤5 mg/kg | |
| Zn: ≤5 mg/kg | |
| density | 1.57 g/cm3 at 25 °C (lit.) |
| form | powder or crystals |
| grade | Molecular Biology |
| impurities | DNases, none detected |
| insoluble matter, passes filter test | |
| phosphatases, none detected | |
| proteases, none detected | |
| RNases, none detected | |
| InChI | 1S/C2H4O2.K/c1-2(3)4;/h1H |
| InChI key | SCVFZCLFOSHCOH-UHFFFAOYSA |
| pH | 7.0-9.0 (25 °C, 1 M in H2O) |
| product line | BioUltra |
| Quality Level | 200  |
| SMILES string | [K+].CC([O-])=O |
| solubility | H2O: 1 M at 20 °C, clear, colorless |
| UV absorption | λ: 260 nm Amax: ≤0.040 |
| λ: 280 nm Amax: ≤0.020 |
| Application: | Potassium acetate is used in molecular biology to precipitate sodium dodecyl sulfate and SDS-bound proteins that result from SDS extraction protocols. Potassium acetate facilitates the purification of DNA when using SDS protocols and ethanol DNA precipitation protocols. |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99.0% (NT) |
| Density | 1.57 g/cm3 at 25 °C (lit.) |
| UNSPSC | 12161700 |