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
Last updated:2025-08-27 13:38:01

5-Chloro-2-pentanone Properties

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)
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)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H302
Precautionary statements  P264-P270-P301+P312-P501
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
8-10
TSCA  Yes
HazardClass  3
PackingGroup  III
HS Code  29147090
NFPA 704
3
2 0

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 $53.7 2025-07-31 Buy
Sigma-Aldrich C62603 5-Chloro-2-pentanone technical grade, 85% 5891-21-4 100g $189 2025-07-31 Buy
TCI Chemical C0867 5-Chloro-2-pentanone (stabilized with K2CO3) >98.0%(GC) 5891-21-4 25mL $178 2025-07-31 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
Product number Packaging Price Buy
C62603 25g $53.7 Buy
C62603 100g $189 Buy
C0867 25mL $178 Buy
C375090 250g $220 Buy
J90807 500g $223 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.

1487-15-6
5891-21-4
Synthesis of 5-Chloro-2-pentanone from 4,5-DIHYDRO-2-METHYLFURAN

5-Chloro-2-pentanone Preparation Products And Raw materials

Global( 440)Suppliers
Supplier Tel Email Country ProdList Advantage
Finetech Industry Limited
+86-27-8746-5837 +8619945049750 info@finetechnology-ind.com China 9629 58
Qingdao RENAS Polymer Material Co., Ltd.
+86-0532-86867058 +86-18562606086 sales@qdrenas.com China 1066 58
Hebei Chuanghai Biotechnology Co., Ltd
+8617732866630 abby@chuanghaibio.com China 8773 58
Hebei Mujin Biotechnology Co.,Ltd
+8613288715578 sales@hbmojin.com China 12401 58
Hebei Chuanghai Biotechnology Co,.LTD
+86-13131129325 sales1@chuanghaibio.com China 5251 58
Henan Fengda Chemical Co., Ltd
+86-371-86557731 +86-13613820652 info@fdachem.com China 20193 58
Capot Chemical Co.,Ltd.
+8613336195806 sales@capot.com China 29733 60
Shanghai Daken Advanced Materials Co.,Ltd
+86-2158073036 info@dakenam.com China 12933 58
Henan Tianfu Chemical Co.,Ltd.
+86-0371-55170693 +86-19937530512 info@tianfuchem.com China 21622 55
Jiangsu Qingquan Chemical Co., Ltd.
+86-571-86589381,86589382,86589383 sales1@qqpharm.com CHINA 154 55

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

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
5-Chloro-2-pentanone pictures 2025-08-27 5-Chloro-2-pentanone
5891-21-4
US $0.00 / KG 1KG 99% 50000KG/month Hebei Mujin Biotechnology Co.,Ltd
5-Chloro-2-pentanone pictures 2025-08-25 5-Chloro-2-pentanone
5891-21-4
US $0.00 / kg 20kg 98.0% 10 tons Qingdao RENAS Polymer Material Co., Ltd.
5-Chloro-2-pentanone pictures 2025-06-24 5-Chloro-2-pentanone
5891-21-4
US $10.00 / KG 1KG 99% 10 mt Hebei Chuanghai Biotechnology Co., Ltd
5-Chloro-2-pentanone, 90% 100GR 5-Chloro-2-pentanone,90% Hydroxychloroquine sulfate Impurity 2 5-chloro -2-ketone Chloro-2-pentan 1-Chloro-4-oxopentane, 3-Chloroprop-1-yl methyl ketone oro-2-pentanone 5-Chloro-2-pentanone,97% 3-Acetylpropyl chloride 5-chloro-2-pentanon 5-CHLORO-2-PENTANONE 5-Chloropentan-2-one 3-CHLOROPROPYL METHYL KETONE 3-ACETYL-1-CHLOROPROPANE ACETYLPROPYL CHLORIDE 1-CHLORO-4-PENTANONE METHYL 3-CHLOROPROPYL KETONE Chloropentanonetech 5-CHLORO-2-PENTANONE, TECH., 85% 2-Pentanone, 5-chloro- (6CI,7CI,8CI,9CI) 5-Chloro-2-pentanone,tech.90% 2-Pentanone, 5-chloro- 5-CHLORO-2-PENTANONE 98+% 5-Chloro-2-pentanone (stabilized with K2CO3) 5-Chloro-2-pentanone (stabilized with K2CO3)> Hydroxychloroquine Sulfate Impurity 29 5891-21-4 ClCH23COCH3 Carbonyl Compounds C3 to C6 Building Blocks KETONE Ketones Organic Building Blocks Antiparasitic Agents API Intermediate ACETYLGROUP Miscellaneous