5-Chloro-2-pentanone
Synonym(s):Methyl 3-chloropropyl ketone
- CAS NO.：5891-21-4
- Empirical Formula: C5H9ClO
- Molecular Weight: 120.58
- MDL number: MFCD00001008
- EINECS: 227-565-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-09-25 17:15:13
What is 5-Chloro-2-pentanone?
Description
5-Chloro-2-pentanone (5C2P) is an important organic reagent used as a pharmaceutical intermediate for the preparation of therapeutic anti-COVID-19 drugs. 5C2P is also used as a raw material for the synthesis of octamethol and related compounds. In chemical reactions, 5C2P can be cyclised with hydrazine. In conclusion, 5C2P and its derivatives have a wide range of applications in the pharmaceutical and agrochemical industries.
Chemical properties
Brown to black liquid
The Uses of 5-Chloro-2-pentanone
5-Chloro-2-pentanone used in the preparation of destructible surfactants.
Properties of 5-Chloro-2-pentanone
| Boiling point: | 71-72 °C/20 mmHg (lit.) |
| Density | 1.057 g/mL at 25 °C (lit.) |
| refractive index | n |
| Flash point: | 96 °F |
| storage temp. | Inert atmosphere,2-8°C |
| solubility | Soluble in chloroform and methanol. |
| form | Liquid |
| Specific Gravity | 1.057 |
| color | Brown to black |
| BRN | 1098490 |
| Stability: | Volatile |
| InChI | InChI=1S/C5H9ClO/c1-5(7)3-2-4-6/h2-4H2,1H3 |
| CAS DataBase Reference | 5891-21-4(CAS DataBase Reference) |
| NIST Chemistry Reference | 2-Pentanone, 5-chloro-(5891-21-4) |
| EPA Substance Registry System | 2-Pentanone, 5-chloro- (5891-21-4) |
Safety information for 5-Chloro-2-pentanone
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P501:Dispose of contents/container to..… |
Computed Descriptors for 5-Chloro-2-pentanone
| InChIKey | XVRIEWDDMODMGA-UHFFFAOYSA-N |
| SMILES | CC(=O)CCCCl |
5-Chloro-2-pentanone manufacturer
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