2-Oxopentanoic acid
Synonym(s):α-Ketovaleric acid;2-Oxopentanoic acid
- CAS NO.：1821-02-9
- Empirical Formula: C5H8O3
- Molecular Weight: 116.12
- MDL number: MFCD00066435
- EINECS: 217-340-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-07-28 17:32:21
What is 2-Oxopentanoic acid?
Description
2-Oxovaleric acid, also known as 2-oxovalerate or a-ketovalerate, belongs to the class of organic compounds known as short-chain keto acids and derivatives. These are keto acids with an alkyl chain the contains less than 6 carbon atoms. 2-Oxovaleric acid has been detected, but not quantified in, several different foods, such as anatidaes (Anatidae), chickens (Gallus gallus), domestic pigs (Sus scrofa domestica), and herbs and spices. This could make 2-oxovaleric acid a potential biomarker for the consumption of these foods. 2-Oxovaleric acid is a secondary metabolite. Secondary metabolites are metabolically or physiologically non-essential metabolites that may serve a role as defense or signalling molecules. In some cases they are simply molecules that arise from the incomplete metabolism of other secondary metabolites.
The Uses of 2-Oxopentanoic acid
2-Oxovaleric Acid can be used as a carbon source for immobilized bacteria in micro-biosensors.
Definition
ChEBI: 2-oxopentanoic acid is an oxopentanoic acid carrying an oxo group at position 2. It has a role as a human metabolite. It is a 2-oxo monocarboxylic acid and an oxopentanoic acid. It is a conjugate acid of a 2-oxopentanoate.
Properties of 2-Oxopentanoic acid
| Melting point: | 7-9 °C(lit.) |
| Boiling point: | 88-90 °C12 mm Hg(lit.) |
| Density | 1.110 g/mL at 20 °C(lit.) |
| refractive index | n20/D 1.432 |
| Flash point: | 94°C |
| storage temp. | 2-8°C |
| solubility | DMSO: ≥ 250 mg/mL (2152.95 mM) |
| pka | 2.65±0.54(Predicted) |
| form | Liquid |
| color | Colorless to light yellow |
| BRN | 635884 |
| CAS DataBase Reference | 1821-02-9(CAS DataBase Reference) |
Safety information for 2-Oxopentanoic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 2-Oxopentanoic acid
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