产品说明
应用
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.
基本信息
| 线性分子式 | CH3COOK |
| 分子量 | 98.14 |
| Beilstein | 3595449 |
| EC 号 | 204-822-2 |
| MDL编号 | MFCD00012458 |
| PubChem化学物质编号 | 57651714 |
产品性质
| 质量水平 | 200 |
| 等级 | for molecular biology |
| 产品线 | BioUltra |
| 测定 | ≥99.0% (NT) |
| 形式 | powder or crystals |
| 杂质 | DNases, none detected RNases, none detected insoluble matter, passes filter test phosphatases, none detected proteases, none detected |
| pH值(酸碱度) | 7.0-9.0 (25 ℃, 1 M in H2O) |
| 溶解性 | H2O: 1 M at 20 ℃, clear, colorless |
| 密度 | 1.57 g/cm3 at 25 ℃ (lit.) |
| 痕量阴离子 | chloride (Cl-): ≤50 mg/kg sulfate (SO42-): ≤50 mg/kg |
| 痕量阳离子 | 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 |
| λ | 1 M in H2O |
| 紫外吸收 | λ: 260 nm Amax: ≤0.040 λ: 280 nm Amax: ≤0.020 |
| SMILES string | [K+].CC([O-])=O |
| InChI | 1S/C2H4O2.K/c1-2(3)4;/h1H3,(H,3,4);/q;+1/p-1 |
| InChI key | SCVFZCLFOSHCOH-UHFFFAOYSA-M |
安全信息
| 储存分类代码 | 13 - Non Combustible Solids |
| WGK | WGK 1 |
| 闪点(F) | Not applicable |
| 闪点(C) | Not applicable |
| 个人防护装备 | Eyeshields, Gloves, type N95 (US) |
Sigma-Aldrich
m.cnreagent.com
