Molekula
Potassium fluoride dihydrate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Potassium fluoride dihydrate is a water-soluble inorganic compound used in chemical synthesis, analytical reagents, and industrial processes. It appears as colorless crystals and is stable under ambient storage conditions. CAS: 13455-21-5, Molecular formula: KF • 2H2O, Molecular weight: 94.13 g/mol. Signal word: None. Molekula supplies Potassium fluoride dihydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Specifications
| Property | Value |
|---|---|
| Appearance | White crystalline powder |
| Heavy metals | <0.001% |
| Assay | >99% |
| Free Alkali | <0.05% |
| Free acid | <0.05% |
| Iron (Fe) | <0.0005% |
| Sulphates (SO4)(2-) | <0.01% |
| Fluorosilicate | <0.05% |
| Chlorine (Cl) | <0.002% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 41 °C |
| Boiling Point | 156 °C at 760 mmHg |
Source: PubChem CID 23708904 (PAC Chemical Database)
Identification
| Property | Value |
|---|---|
| SKU | 45738344 |
| CAS Number | 13455-21-5 |
| IUPAC Name | potassium;fluoride;dihydrate |
| Molecular Formula | KF • 2H2O |
| Molecular Weight | 94.13 |
| Exact Mass | 93.9832 |
| SMILES | O.O.[F-].[K+] |
| InChIKey | MZFXHSQFQLKKFD-UHFFFAOYSA-M |
| InChI | InChI=1S/FH.K.2H2O/h1H;;2*1H2/q;+1;;/p-1 |
| PubChem CID | 23708904 |
| UN Number | UN1812 |
| REACH Code | Y110 |
| HTS Code | 28261990 |
| Tariff Code | 2826199090 |
Safety & GHS
-
Corrosive
GHS05
-
Toxic
GHS06
Hazard statements
- H301 Toxic if swallowed
- H311 Toxic in contact with skin
- H318 Causes serious eye damage
- H331 Toxic if inhaled
Precautionary statements
- P234 Keep only in original container
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- FKO2
- K F (H2 O)2
- potassium fluorid dihydrate
- Potassium fluoride--water (1/1/2)
Frequently asked questions
What is potassium fluoride dihydrate used for?
It is used in organic synthesis, as a fluorinating agent, and in the production of specialty ceramics and glass.
What is the chemical formula and molecular weight of potassium fluoride dihydrate?
The formula is KF • 2H2O with a molecular weight of 94.13 g/mol.
How should potassium fluoride dihydrate be stored?
It should be stored at ambient temperature, protected from moisture and heat.
What grade is available for potassium fluoride dihydrate?
Available in reagent grade; other grades may be available upon request.
Can Molekula supply potassium fluoride dihydrate in bulk?
Yes, bulk quantities are available—please contact our sales team for pricing and availability.
What documentation comes with an order of potassium fluoride dihydrate?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS); additional documentation can be provided upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.