Potassium chloride
SIGMA/P9541 - Molecular Biology, ≥99.0%
Synonym: KCl
CAS Number: 7447-40-7
Empirical Formula (Hill Notation): KCl
Molecular Weight: 74.55
EC Number: 231-211-8
MDL Number: MFCD00011360
Linear Formula: KCl
Product Type: Chemical
| assay | ≥99.0% |
| cation traces | Fe: ≤3 ppm |
| heavy metals (as Pb): ≤5 ppm | |
| density | 1.98 g/mL at 25 °C (lit.) |
| foreign activity | DNAse (exonuclease), NICKase (endonuclease), RNAse, and protease, none detected |
| form | powder |
| grade | Molecular Biology |
| InChI | 1S/ClH.K/h1H;/q;+1/p-1 |
| InChI key | WCUXLLCKKVVCTQ-UHFFFAOYSA |
| mp | 770 °C (lit.) |
| Quality Level | 200 ![]() |
| SMILES string | [Cl-].[K+] |
| solubility | water: soluble (355 g/l at 25 °C (77 °F)) |
| Application: | May be used for the preparation of phosphate buffered saline, and for the extraction and solubilization of proteins. |
| Application: | Potassium chloride has been used: • as a component of Danieau medium and also used in the preparation of phosphate buffer saline • in the preparation of electrolyte solution for electrochemical impedance spectroscopy and cyclic voltammetry measurements • as a component of HEPES (4-(2-hydroxyethyl)-1-pip |
| General description: | Potassium chloride (KCl) is useful in studies of ion transport and potassium channels. KCl is known to be used in the crystallization of histone core octamers. |
| Other Notes: | 2024 CiteAb Award Winner for Supplier Succeeding in Parkinson′s Research ![]() |
| Packaging: | 1 kg in poly bottle |
| Packaging: | 5 kg in poly drum |
| Packaging: | 500 g in poly bottle |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99.0% |
| mp | 770 °C (lit.) |
| Density | 1.98 g/mL at 25 °C (lit.) |
| UNSPSC | 12352302 |

