ChemicalBook > CAS DataBase List > 5-Chloro-2-pentanone

5-Chloro-2-pentanone

Product Name
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
Formula Weight
120.58
MOL File
5891-21-4.mol
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5-Chloro-2-pentanone Property

Boiling point:
71-72 °C/20 mmHg (lit.)
Density 
1.057 g/mL at 25 °C (lit.)
refractive index 
n20/D 1.438(lit.)
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
InChIKey
XVRIEWDDMODMGA-UHFFFAOYSA-N
SMILES
CC(=O)CCCCl
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)
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Safety

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 
Yes
HazardClass 
3
PackingGroup 
III
HS Code 
29147090
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
C62603
Product name
5-Chloro-2-pentanone
Purity
technical grade, 85%
Packaging
25g
Price
$53.7
Updated
2025/07/31
Sigma-Aldrich
Product number
C62603
Product name
5-Chloro-2-pentanone
Purity
technical grade, 85%
Packaging
100g
Price
$189
Updated
2025/07/31
TCI Chemical
Product number
C0867
Product name
5-Chloro-2-pentanone (stabilized with K2CO3)
Purity
>98.0%(GC)
Packaging
25mL
Price
$178
Updated
2025/07/31
TRC
Product number
C375090
Product name
5-Chloro-2-pentanone
Packaging
250g
Price
$220
Updated
2021/12/16
AK Scientific
Product number
J90807
Product name
5-Chloro-2-pentanone,stab.withpotassiumcarbonate
Packaging
500g
Price
$223
Updated
2021/12/16
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5-Chloro-2-pentanone Chemical Properties,Usage,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

Acetyl n-propanol

Preparation Products

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5-Chloro-2-pentanone Suppliers

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View Lastest Price from 5-Chloro-2-pentanone manufacturers

Qingdao RENAS Polymer Material Co., Ltd.
Product
5-Chloro-2-pentanone 5891-21-4
Price
US $0.00/kg
Min. Order
20kg
Purity
98.0%
Supply Ability
10 tons
Release date
2024-04-29
Hebei Chuanghai Biotechnology Co., Ltd
Product
5-Chloro-2-pentanone 5891-21-4
Price
US $10.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10 mt
Release date
2025-03-12
Hebei Chuanghai Biotechnology Co,.LTD
Product
5-Chloro-2-pentanone 5891-21-4
Price
US $5.00-2.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10000kg
Release date
2024-08-23

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