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 1999 · 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.
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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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
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.