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NIST2203

Potassium fluoride

NIST® SRM® 2203, standard for ion-selective electrodes

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About This Item

Linear Formula:
KF
CAS Number:
7789-23-3
Molecular Weight:
58.10
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329818738
MDL number:
MFCD00011398
Beilstein/REAXYS Number:
3902818
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grade

certified reference material

Quality Level

100

form

crystals

packaging

pkg of 125 g

manufacturer/tradename

NIST®

mp

858 °C (lit.)

application(s)

general analytical

SMILES string

[F-].[K+]

InChI

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

InChI key

NROKBHXJSPEDAR-UHFFFAOYSA-M

General description

SRM 2203_cert

SRM 2203_SDS

Application

A versatile fluoride ion source used in a study of ion-specific swelling and de-swelling of ampholytic polymer gels, in the room temperature oxidation of noble metals in HF, and in the measurement of electronic polarizabilities of ions in polymers of alkali halides.

Other Notes

Example analytes are listed below as a reference. Please download a current certificate at nist.gov/SRM for current analytes and certified values.
Fluoride ion (F-)

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

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pictograms

Skull and crossbonesCorrosion
GHS06,GHS05

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Dam. 1

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

危险化学品

This item has

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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Global Trade Item Number

SKUGTIN
NIST220304061834141433