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NIST999C

Potassium Chloride Primary Standard

NIST®SRM®

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Synonym(s):
Potassium chloride
Linear Formula:
KCl
CAS Number:
7447-40-7
Molecular Weight:
74.55
MDL number:
MFCD00011360
UNSPSC Code:
41116107
NACRES:
NA.24

form

powder

packaging

pkg of 30 g

manufacturer/tradename

NIST®

mp

770 °C (lit.)

density

1.98 g/mL at 25 °C (lit.)

application(s)

general analytical

storage temp.

15-25°C

SMILES string

[Cl-].[K+]

InChI

1S/ClH.K/h1H;/q;+1/p-1

InChI key

WCUXLLCKKVVCTQ-UHFFFAOYSA-M

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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

SRM 999C_SDS

Application

May be used for the preparation of phosphate buffered saline, and for the extraction and solubilization of proteins.

Other Notes

Certified for the analytes listed below.
Potassium (K), Chlorine (Cl), Potassium chloride (KCl)

Reference/Informational value is provided for the following analytes.
Bromine (Br), Alkalinity (as KOH), Aluminum (Al), Calcium (Ca), Fluorine (F), Sodium (Na), Rubidium (Rb), Sulfur (S), Silicon (Si)

See certificate for values and more details at nist.gov/SRM.

Legal Information

NIST is a registered trademark of National Institute of Standards and Technology
SRM is a registered trademark of National Institute of Standards and Technology

related product

Product No.
Description
Pricing

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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