Molekula
Potassium Chloride 99.5%
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 chloride 99.5% is a white crystalline solid used in fertilizers, food processing, and laboratory applications. It is a source of potassium ions in chemical and biological systems. CAS: 7447-40-7, Molecular formula: KCl, Molecular weight: 74.55 g/mol, Storage: Ambient, Signal word: None. Molekula supplies Potassium Chloride 99.5% 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.
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White to Off-white crystalline powder |
| Loss on Drying | ≤ 1.0% (3hrs, 105°C) |
| Specification | Conforms to Ph. Eur., USP specifications |
| Solubility | Freely soluble in water, practically insoluble in anhydrous ethanol. |
| Acidity / Alkalinity | Pink colour is produced following the test in the USP monograph |
| Iron (Fe) | ≤ 20mg/kg (ICP-AES) |
| Identity to Pharmacopeias | Identity confirmed in line with Ph.Eur. & USP (ICP-AES) |
| Assay (dried basis) | 99.0 - 100.5% |
| Sodium (Na) | ≤ 1000mg/kg (ICP-AES) |
| Aluminium (Al) | ≤ 1mg/kg (ICP-AES) |
| Sulphates (SO4)(2-) | ≤ 300mg/kg (ICP-AES) |
| Bromide and iodide | ≤ 1000mg/kg (ICP-AES) |
| Alkaline Earth metals (Ca) | ≤ 200mg/kg (ICP-AES) |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White crystals or crystalline powder |
| Odour | Odorless |
| Melting Point | 770 °C |
| Density | 1.988 g/cm³ |
| Solubility (other solvents) | Freely soluble in water. Insoluble in ethanol |
Source: PubChem CID 4873 (HSDB, DrugBank, EU Food Improvement Agents)
Identification
| Property | Value |
|---|---|
| SKU | 90024525 |
| CAS Number | 7447-40-7 |
| IUPAC Name | potassium chloride |
| EC Number | 231-211-8 |
| Molecular Formula | KCl |
| Molecular Weight | 74.55 |
| Exact Mass | 73.9326 |
| SMILES | [Cl-].[K+] |
| InChIKey | WCUXLLCKKVVCTQ-UHFFFAOYSA-M |
| InChI | InChI=1S/ClH.K/h1H;/q;+1/p-1 |
| PubChem CID | 4873 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| Tariff Code | 3105100090 |
Safety & GHS
Detailed safety information available in the SDS — see Documents below.
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
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
- Acronitol
- Chlorvescent
- Enseal
- Klor-Con
- Klotrix
- Muriate of potash
- Neobakasal
- Potavescent
- Slow-K
- Sylvite
Frequently asked questions
What is Potassium Chloride 99.5% used for?
It is commonly used in fertilizers, food additives, and laboratory applications as a source of potassium ions.
What is the chemical formula and molecular weight of Potassium Chloride 99.5%?
The formula is KCl and the molecular weight is 74.55 g/mol.
How should Potassium Chloride 99.5% be stored?
It should be stored at ambient temperature, protected from moisture and contamination.
What grade of Potassium Chloride 99.5% is available?
This product is available as 99.5% purity, suitable for laboratory and industrial use.
Can Molekula supply Potassium Chloride 99.5% in bulk?
Yes, Molekula can supply Potassium Chloride 99.5% in bulk quantities—please contact sales for details.
What documentation comes with a purchase of Potassium Chloride 99.5%?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
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.