Molekula
Potassium acetate
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 acetate (CH3COOK) is an organic salt, the potassium salt of acetic acid, widely used as a de-icing agent, food additive (E261), and buffer in pharmaceuticals and chemical synthesis. It appears as a white, deliquescent crystalline solid with a mild acetic acid odor. Key specifications include a CAS number of 127-08-2, molecular weight of 98.14 g/mol, and storage stability at ambient conditions with no signal word classification. Molekula supplies Potassium acetate 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
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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500 g — $58.90 per pack
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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 powder |
| Loss on Drying | ≤ 1.0% (150°C, 2 hours) |
| Chloride (Cl-) | ≤ 0.005% |
| Assay | ⩾ 98.5% |
| Heavy Metals (Pb) | ≤ 0.005% |
| Identification (IR) | Conforms to reference |
| Sulphates (SO4)(2-) | ≤ 0.005% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 292 °C |
Source: PubChem CID 517044 (ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 90036101 |
| CAS Number | 127-08-2 |
| IUPAC Name | potassium acetate |
| EC Number | 204-822-2 |
| Molecular Formula | CH3COOK |
| Molecular Weight | 98.14 |
| Exact Mass | 97.977 |
| SMILES | CC(=O)[O-].[K+] |
| InChIKey | SCVFZCLFOSHCOH-UHFFFAOYSA-M |
| InChI | InChI=1S/C2H4O2.K/c1-2(3)4;/h1H3,(H,3,4);/q;+1/p-1 |
| PubChem CID | 517044 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29152100 |
| Tariff Code | 2915290000 |
Safety & GHS
Hazard statements
- H303 May be harmful if swallowed
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P403+233 Store in a well ventilated place. Keep container tightly closed
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, 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
- ACETIC ACID, POTASSIUM SALT
- Acetic acid, potassium salt (1:1)
- Diuretic salt
- FEMA No. 2920
- INS NO.261
- Kali aceticum
- Octan draselny
- Potassium acetate in plastic container
- Potassium acetates
- Potassium ethanoate
Frequently asked questions
What is potassium acetate commonly used for?
Potassium acetate is primarily used as a food additive (E261), in buffering solutions, as a de-icing agent, and in chemical synthesis for producing other potassium salts.
What is the chemical formula and molecular weight of potassium acetate?
The chemical formula is CH₃COOK, and the molecular weight is 98.14 g/mol.
How should potassium acetate be stored?
Store potassium acetate in a tightly sealed container at ambient temperature, away from moisture and incompatible substances.
What grades of potassium acetate does Molekula supply?
Molekula supplies ACS reagent grade and technical grade potassium acetate; purity varies by grade—contact us for specifications.
Can Molekula supply potassium acetate in bulk quantities?
Yes, we offer bulk quantities of potassium acetate; minimum order quantities and packaging options vary—inquire for details.
What documentation comes with a potassium acetate order?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and a packing list; additional documentation may 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.