CAS 7789-23-3 · Potassium Fluoride

Potassium Fluoride: direct from source to Europe

Potassium Fluoride (CAS 7789-23-3) is a white, hygroscopic crystalline salt used as a fluoride source in Halex fluorination of aromatic chlorides, in agrochemical and pharmaceutical intermediates, and in glass and metal treatment.

  • COA, SDS & TDS with every batch
  • REACH status confirmed before quote
  • Samples available for qualification
Purityup to 99.5%+KF assay, spray-dried premium
Lead time3 – 6 weeksOrigin to European port
FormSolid25 kg bags to bulk
Response1 business dayQuotation after receiving your spec
Product identification

Potassium Fluoride: names, synonyms and identifiers

Buyers search for this material under several names. Whichever one appears on your specification, purchase order or REACH dossier, it is the same compound: Potassium Fluoride, CAS 7789-23-3.

  • Confirmed CAS number on every COA
  • Premium grade with KF assay 99.5%+ available
  • TDS and SDS supplied with every shipment
Common name
Potassium Fluoride
Synonyms
KF · Potassium monofluoride · Anhydrous potassium fluoride
CAS number
7789-23-3
Formula / MW
KF  /  58.10 g/mol
Chemical family
Inorganic fluoride salt
HS code
2826 (fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts). Confirm the full code with your broker.

⚠ Specify anhydrous or spray-dried grade for Halex fluorination. Always match CAS 7789-23-3.

Technical data

Potassium Fluoride physical and chemical properties

Key parameters for process engineering, safety planning and storage design. Values are typical; always verify against the current TDS for your lot.

Appearance
White crystalline powder
Hygroscopic
Melting point
Approx. 858 °C
Typical value
Boiling point
Approx. 1,502 °C
Typical value
Molecular weight
58.10
g/mol
Molecular formula
KF
Inorganic fluoride salt
Solubility
Very soluble in water
Poor in most organic solvents
Physical form
Hygroscopic solid
Anhydrous or spray-dried
Storage
Dry & sealed
Airtight container, away from moisture and acids
Quality & specification

Potassium Fluoride grade specifications: standard vs premium

Two grades are offered so your process chemist or quality team can pick what suits downstream requirements. COA parameters are confirmed before every shipment.

Parameter
Standard grade
Premium grade
Test method / note
KF assay
≥ 99.0%
≥ 99.5%
Titration or ion chromatography
Water content
≤ 0.5%
≤ 0.1%
Karl Fischer titration
Water-insoluble matter
≤ 0.10%
≤ 0.05%
Gravimetric
Chloride (Cl)
≤ 0.10%
≤ 0.05%
Ion chromatography
Appearance
White crystalline powder
White free-flowing powder
Visual check

All values are specification limits, not guaranteed minima. Actual COA figures for your lot are provided before dispatch. Non-standard specifications are available on enquiry.

Applications

Where Potassium Fluoride is used

Typical end uses and synthesis routes for European manufacturers, toll processors and laboratories.

Halex fluorination

Nucleophilic fluoride for converting aryl chlorides and nitro-aromatics to fluoro-aromatics.

Agrochemical and pharma intermediates

Fluoride source for fluorinated building blocks.

Glass and metal treatment

Etching, brazing and welding flux components.

Laboratory and analytical use

Reagent for fluoride standards and general laboratory work.

Packaging & logistics

Packed to your site, documented for customs

Potassium Fluoride is handled as a dangerous good. Every shipment leaves with UN-approved packaging, CLP labelling and the full document set for European import.

Bags

25 kg bags

UN-approved moisture-proof bags or lined fibre packs on pallets, suitable for FCL and LCL.

25 kg net
Drums

200 kg drums

UN-approved sealed steel or fibre drums for higher volume users.

200 kg net
Bulk

Jumbo bags

Moisture-proof bulk bags on request for suitable receiving sites.

On request
Document set included: Bill of lading · Commercial invoice · Packing list · Certificate of analysis (COA) · Safety data sheet (SDS) · Dangerous goods declaration (IMDG/ADR) · Certificate of origin · Other certificates on request
Common questions

Potassium Fluoride: frequently asked questions

Quick answers for European buyers. For anything else, email source@cheloragroup.com.

It is also sold as KF, Potassium monofluoride, Anhydrous potassium fluoride. All refer to CAS 7789-23-3. Confirm the CAS number with any supplier before ordering.

Price depends on grade, volume, packing, Incoterm and destination port, and moves with raw material markets. Send us your requirement and we will quote in EUR or USD with a landed-cost breakdown, usually within one business day.

Potassium Fluoride (CAS 7789-23-3) is a white, hygroscopic crystalline salt used as a fluoride source in Halex fluorination of aromatic chlorides, in agrochemical and pharmaceutical intermediates, and in glass and metal treatment.

Standard grade offers 99.0% minimum KF assay. Premium grade is a spray-dried anhydrous product with 99.5% minimum assay, lower water content and moisture-tight packaging. Premium is recommended for Halex and other moisture-sensitive fluorinations.

Water lowers the nucleophilicity of fluoride and promotes hydrolysis side reactions, so Halex users normally specify anhydrous or spray-dried KF with low water and fine particle size. Our premium grade is intended for this use.

Fluoride salts are toxic and can face REACH, CLP and workplace-exposure obligations depending on use. We confirm the current status for your application before quoting.

Store in airtight, moisture-proof containers in a cool, dry place, away from acids, which release hydrogen fluoride. Reseal after opening and use within the shelf life stated on the COA and TDS.

It is treated as a toxic dangerous good (typically Class 6.1, UN 1812; always confirm on the current SDS). We pack it in UN-approved containers, apply CLP labels and ship through licensed forwarders under IMDG for sea and ADR for European road.

Yes. Laboratory and pilot samples are supplied with a COA and SDS so your team can qualify the grade. Mention sample needs in your enquiry.

REACH status is confirmed before we quote. We advise on importer-of-record arrangements and whether the substance is registered for your use. Send your use descriptor and we will confirm.

Ready to source?

Get your Potassium Fluoride quotation today

Send us the grade, volume, destination and Incoterm. You will receive a clear price, packaging options and a full document checklist, usually within one business day.

  • Samples to full containers
  • COA, SDS and DG documents included as standard
  • Quote in EUR or USD, your choice of Incoterm