ChemicalBook >> CAS DataBase List >>5-Chloro-2-pentanone
5-Chloro-2-pentanone
- CAS No.
- 5891-21-4
- Chemical Name:
- 5-Chloro-2-pentanone
- Synonyms
- 5-Chloropentan-2-one;oro-2-pentanone;Chloro-2-pentan;5-chloro -2-ketone;5-chloro-2-pentanon;Chloropentanonetech;5-CHLORO-2-PENTANONE;1-CHLORO-4-PENTANONE;ACETYLPROPYL CHLORIDE;2-Pentanone, 5-chloro-
- CBNumber:
- CB1288429
- Molecular Formula:
- C5H9ClO
- Molecular Weight:
- 120.58
- MDL Number:
- MFCD00001008
- MOL File:
- 5891-21-4.mol
- MSDS File:
- SDS
- TDS File:
- TDS
Last updated:2026-04-24 14:58:42
| Product description | Number | Pack Size | Price |
| 5-Chloro-2-pentanone technical grade, 85% | C62603 | 25g | $57.2 |
| 5-Chloro-2-pentanone technical grade, 85% | C62603 | 100g | $201 |
| 5-Chloro-2-pentanone (stabilized with K2CO3) >98.0%(GC) | C0867 | 25mL | $142 |
| 5-Chloro-2-pentanone | C375090 | 250g | $220 |
| 5-Chloro-2-pentanone,stab.withpotassiumcarbonate | J90807 | 500g | $223 |
| More product size | |||
| 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 |
| color | Brown to black |
| Specific Gravity | 1.057 |
| BRN | 1098490 |
| Stability | Volatile |
| InChI | InChI=1S/C5H9ClO/c1-5(7)3-2-4-6/h2-4H2,1H3 |
| InChIKey | XVRIEWDDMODMGA-UHFFFAOYSA-N |
| SMILES | CC(=O)CCCCl |
| CAS DataBase Reference | 5891-21-4(CAS DataBase Reference) |
| EWG's Food Scores | 1 |
| FDA UNII | V4XZG82VP5 |
| NIST Chemistry Reference | 2-Pentanone, 5-chloro-(5891-21-4) |
| EPA Substance Registry System | 2-Pentanone, 5-chloro- (5891-21-4) |
| UNSPSC Code | 12352100 |
| NACRES | NA.22 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H302 | |||||||||
| Precautionary statements | P264-P270-P301+P312-P501 | |||||||||
| PPE | Eyeshields, Gloves, multi-purpose combination respirator cartridge (US) | |||||||||
| Hazard Codes | Xn,F | |||||||||
| Risk Statements | 36/37/38-22-10 | |||||||||
| Safety Statements | 23-24/25-37/39-26-16 | |||||||||
| RIDADR | UN 1224 3/PG 3 | |||||||||
| WGK Germany | 3 | |||||||||
| RTECS | SA8143500 | |||||||||
| F | 8-10 | |||||||||
| TSCA | TSCA listed | |||||||||
| HazardClass | 3 | |||||||||
| PackingGroup | III | |||||||||
| HS Code | 29147090 | |||||||||
| Storage Class | 10 - Combustible liquids | |||||||||
| Hazard Classifications | Acute Tox. 4 Oral | |||||||||
| Limited Quantities | 5.0 L (1.3 gallons) (liquid) | |||||||||
| Excepted Quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L) | |||||||||
| NFPA 704 |
|
5-Chloro-2-pentanone price More Price(30)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | C62603 | 5-Chloro-2-pentanone technical grade, 85% | 5891-21-4 | 25g | $57.2 | 2026-04-30 | Buy |
| Sigma-Aldrich | C62603 | 5-Chloro-2-pentanone technical grade, 85% | 5891-21-4 | 100g | $201 | 2026-04-30 | Buy |
| TCI Chemical | C0867 | 5-Chloro-2-pentanone (stabilized with K2CO3) >98.0%(GC) | 5891-21-4 | 25mL | $142 | 2026-04-30 | Buy |
| TRC | C375090 | 5-Chloro-2-pentanone | 5891-21-4 | 250g | $220 | 2021-12-16 | Buy |
| AK Scientific | J90807 | 5-Chloro-2-pentanone,stab.withpotassiumcarbonate | 5891-21-4 | 500g | $223 | 2021-12-16 | Buy |
5-Chloro-2-pentanone Chemical Properties,Uses,Production
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
Uses
5-Chloro-2-pentanone used in the preparation of destructible surfactants.
5-Chloro-2-pentanone Preparation Products And Raw materials
Raw materials
Preparation Products
Global( 440)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Finetech Industry Limited | +86-27-8746-5837 +8619945049750 | info@finetechnology-ind.com | China | 9540 | 58 |
| Qingdao RENAS Polymer Material Co., Ltd. | +86-0532-86867058 +86-18562606086 | sales@qdrenas.com | China | 1066 | 58 |
| Hebei Chuanghai Biotechnology Co., Ltd | +8615350571055 | Sibel@chuanghaibio.com | China | 8738 | 58 |
| Hebei Chuanghai Biotechnology Co,.LTD | +86-86-13131129325 +8613131129325 | sales1@chuanghaibio.com | China | 5235 | 58 |
| Henan Fengda Chemical Co., Ltd | +86-371-86557731 +86-13613820652 | info@fdachem.com | China | 20124 | 58 |
| Capot Chemical Co.,Ltd. | +86-（0）57185586718; +8613336195806 | sales@capot.com | China | 29640 | 60 |
| Shanghai Daken Advanced Materials Co.,Ltd | +86-2158073036 | info@dakenam.com | China | 13843 | 58 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21590 | 55 |
| Jiangsu Qingquan Chemical Co., Ltd. | +86-571-86589381,86589382,86589383 | sales1@qqpharm.com | CHINA | 154 | 55 |
| Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418679 +8618949832763 | info@tnjchem.com | China | 2988 | 55 |
View Lastest Price from 5-Chloro-2-pentanone manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2026-04-22 | 5-Chloro-2-pentanone
5891-21-4
|
US $0.00 / kg | 20kg | 98.0% | 10 tons | Qingdao RENAS Polymer Material Co., Ltd. | |
 |
2026-03-20 | 5-Chloro-2-pentanone
5891-21-4
|
US $10.00 / KG | 1KG | 99% | 10 mt | Hebei Chuanghai Biotechnology Co., Ltd | |
 |
2025-09-25 | 5-Chloro-2-pentanone
5891-21-4
|
US $100.00-1.00 / KG | 1KG | 99% | g-kg-tons, free sample is available | Henan Fengda Chemical Co., Ltd |
-
- 5-Chloro-2-pentanone
5891-21-4
- US $0.00 / kg
- 98.0%
- Qingdao RENAS Polymer Material Co., Ltd.
-
- 5-Chloro-2-pentanone
5891-21-4
- US $10.00 / KG
- 99%
- Hebei Chuanghai Biotechnology Co., Ltd
-
- 5-Chloro-2-pentanone
5891-21-4
- US $100.00-1.00 / KG
- 99%
- Henan Fengda Chemical Co., Ltd
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