Molekula
2-Ketoglutaric acid monopotassium salt (EP)
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
2-Ketoglutaric acid monopotassium salt is a key intermediate in metabolic pathways and a widely used reagent in biochemical research, particularly in cell culture media and enzymatic assays. It supports Krebs cycle studies and serves as a nutrient supplement in media formulations. This product has a CAS number of 997-43-3, with a molecular formula of C5H5O5K and a molecular weight of 184.19. It should be stored between 2 to 8°C and carries no signal word for hazard classification. Molekula supplies 2-Ketoglutaric acid monopotassium salt 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.
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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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100 g — £105.30 per pack ex VAT · £126.36 inc. VAT
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250 g — £217.80 per pack ex VAT · £261.36 inc. VAT
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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 crystalline powder |
| Identification | Conforms to reference |
| Loss on Drying | ≤ 0.5% |
| Assay | ≥ 99.0% |
| Heavy Metals (Pb) | ≤ 10ppm |
| Arsenic trioxide (As2O3) | ≤ 3ppm |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 37634186 |
| CAS Number | 997-43-3 |
| IUPAC Name | potassium 5-hydroxy-2,5-dioxopentanoate |
| Molecular Formula | C5H5O5K |
| Molecular Weight | 184.19 |
| Exact Mass | 183.9774 |
| SMILES | C(CC(=O)O)C(=O)C(=O)[O-].[K+] |
| InChIKey | XTCZBVVKDHLWKU-UHFFFAOYSA-M |
| InChI | InChI=1S/C5H6O5.K/c6-3(5(9)10)1-2-4(7)8;/h1-2H2,(H,7,8)(H,9,10);/q;+1/p-1 |
| PubChem CID | 24802256 |
| REACH Code | Y113 |
| HTS Code | 29183090 |
| Tariff Code | 2918300090 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian.
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
No alternate names recorded for this product.
Frequently asked questions
What is 2-Ketoglutaric acid monopotassium salt used for?
It is commonly used as a nutrient supplement in cell culture media, a biochemical reagent in research, and as a precursor in organic synthesis.
What is the chemical formula and molecular weight of 2-Ketoglutaric acid monopotassium salt?
The chemical formula is **C₅H₅O₅K** with a molecular weight of **184.19 g/mol**.
How should 2-Ketoglutaric acid monopotassium salt be stored?
Store at **2–8°C** in a cool, dry place, protected from moisture and light.
What grades or purities of this product does Molekula supply?
Molekula supplies this product in **analytical and biochemical research grades**, with purity typically ≥98%.
Can Molekula supply 2-Ketoglutaric acid monopotassium salt in bulk?
Yes, Molekula can provide bulk quantities upon request, subject to availability and order specifications.
What documentation comes with an order of 2-Ketoglutaric acid monopotassium salt?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation.
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.