Potassium fluoride
SIAL/NIST2203 - NIST® SRM® 2203, standard for ion-selective electrodes
CAS Number: 7789-23-3
Empirical Formula (Hill Notation): FK
Molecular Weight: 58.10
MDL Number: MFCD00011398
Linear Formula: KF
Product Type: Chemical
| application(s) | general analytical |
| form | crystals |
| grade | certified reference material |
| InChI | 1S/FH.K/h1H;/q;+1/p-1 |
| InChI key | NROKBHXJSPEDAR-UHFFFAOYSA |
| manufacturer/tradename | NIST® |
| mp | 858 °C (lit.) |
| packaging | pkg of 125 g |
| Quality Level | 100 ![]() |
| SMILES string | [F-].[K+] |
| 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. |
| General description: | SRM 2203_cert ![]() SRM 2203_SDS ![]() |
| 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 |
| 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. |
| Symbol | ![]() GHS05,GHS06 |
| Signal word | Danger |
| Hazard statements | H301 + H311 + H331 - H318 |
| Precautionary statements | P261 - P280 - P301 + P310 - P302 + P352 + P312 - P304 + P340 + P311 - P305 + P351 + P338 |
| RIDADR | UN 1812 6.1 / PGIII |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| mp | 858 °C (lit.) |
| UNSPSC | 41116107 |



