Potassium Chloride Primary Standard
SIAL/NIST999C - NIST®SRM®
Synonym: Potassium chloride
CAS Number: 7447-40-7
Empirical Formula (Hill Notation): ClK
Molecular Weight: 74.55
MDL Number: MFCD00011360
Linear Formula: KCl
Product Type: Chemical
density | 1.98 g/mL at 25 °C (lit.) |
form | powder |
InChI | 1S/ClH.K/h1H;/q;+1/p-1 |
InChI key | WCUXLLCKKVVCTQ-UHFFFAOYSA |
manufacturer/tradename | NIST® |
mp | 770 °C (lit.) |
packaging | pkg of 30 g |
SMILES string | [Cl-].[K+] |
storage temp. | 15-25°C |
Application: | May be used for the preparation of phosphate buffered saline, and for the extraction and solubilization of proteins. |
General description: | This Standard Reference Material (SRM) is intended for use as an analytical standard of known potassium (K) and chloride (Cl-) content. This lot of potassium chloride (KCl) was prepared to ensure a material of high purity and homogeneity and has been assayed after drying at 500 °C. A unit of SRM 999c consists of a single glass bottle containing 30 g of the material. SRM 999C_cert ![]() ![]() ![]() ![]() |
Legal Information: | NIST is a registered trademark of National Institute of Standards and Technology |
Legal Information: | SRM is a registered trademark of National Institute of Standards and Technology |
WGK Germany | WGK 1 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
mp | 770 °C (lit.) |
Density | 1.98 g/mL at 25 °C (lit.) |
Storage Temp. | 15-25°C |
UNSPSC | 41116107 |