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2-Cyclopenten-1-one

2-Cyclopenten-1-one structure

CAS No.: 930-30-3

Chemical Name:: 2-Cyclopenten-1-one

Synonyms: 2-CYCLOPENTEN-1-ONE;Cyclopentenone;CYCLOPENT-2-ENONE;2-CYCLOPENTENE-1-ONE;CPEO;2-CycL;NSC 73117;openten-1-one;2-CYCLOPENTENONE;cyclopenten-2-one

CBNumber:: CB3744099

Molecular Formula:: C5H6O

Molecular Weight:: 82.1

MDL Number:: MFCD00001401

MOL File:: 930-30-3.mol

MSDS File:: SDS

Last updated:2024-08-02 09:53:02

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2-Cyclopenten-1-one Properties

Boiling point	64-65 °C19 mm Hg(lit.)
Density	0.98 g/mL at 25 °C(lit.)
refractive index	n20/D 1.481(lit.)
Flash point	108 °F
storage temp.	2-8°C
solubility	soluble in Chloroform, Methanol
form	Liquid
color	Clear yellow
Specific Gravity	0.980
Water Solubility	almost insoluble
BRN	1446054
InChI	InChI=1S/C5H6O/c6-5-3-1-2-4-5/h1,3H,2,4H2
InChIKey	BZKFMUIJRXWWQK-UHFFFAOYSA-N
SMILES	C1(=O)CCC=C1
LogP	-0.114 (est)
CAS DataBase Reference	930-30-3(CAS DataBase Reference)
EWG's Food Scores	1
FDA UNII	Q0U2IGF9CK
NIST Chemistry Reference	2-Cyclopenten-1-one(930-30-3)

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS02,GHS07

Signal word

Warning

Hazard statements

H335-H226

Precautionary statements

P261-P280a-P405-P501a-P210-P233-P240-P241+P242+P243-P280-P303+P361+P353-P370+P378-P403+P235-P501

Hazard Codes

Xi,Xn

Risk Statements

10-37-36/37/38-22

Safety Statements

16-36-36/37/39

RIDADR

UN 1224 3/PG 3

WGK Germany

Hazard Note

Irritant

HazardClass

PackingGroup

III

HS Code

29142990

NFPA 704

	2
2		0

2-Cyclopenten-1-one price More Price(35)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	C112909	2-Cyclopenten-1-one 98%	930-30-3	5g	$82.1	2024-03-01	Buy
Sigma-Aldrich	C112909	2-Cyclopenten-1-one 98%	930-30-3	25g	$195	2024-03-01	Buy
TCI Chemical	C0794	2-Cyclopenten-1-one >96.0%(GC)	930-30-3	5mL	$57	2024-03-01	Buy
TCI Chemical	C0794	2-Cyclopenten-1-one >96.0%(GC)	930-30-3	25mL	$198	2024-03-01	Buy
Alfa Aesar	B23408	2-Cyclopenten-1-one, 98%	930-30-3	5g	$74.5	2024-03-01	Buy

Product number	Packaging	Price	Buy
C112909	5g	$82.1	Buy
C112909	25g	$195	Buy
C0794	5mL	$57	Buy
C0794	25mL	$198	Buy
B23408	5g	$74.5	Buy

2-Cyclopenten-1-one Chemical Properties,Uses,Production

Description

2-Cyclopentenone contains two functional groups, a ketone and an alkene. It is a colourless liquid. 2-cyclopenten-1-one selectively induces the expression of the 70-kDa HSP (HSP70) in human cells through cycloheximide-sensitive activation of heat shock transcription factor 1 (HSF1). It is a natural product found in Perilla frutescens[1].

Chemical Properties

clear yellow liquid

Uses

2-Cyclopenten-1-one is a versatile electrophile employed in various addition reactions including conjugate addition of organocopper nucleophiles, Michael reaction with silyl enol ethers and siloxanes. It is also used in Diels-Alder cycloadditions and phosphoniosilylations.

Definition

ChEBI: 2-cyclopenten-1-one is an enone that is cyclopentanone having a C=C double bond at position 2. It has a role as a Hsp70 inducer. It is an enone and an alicyclic ketone.

Preparation

2-Cyclopentenones can be synthesized in a number of ways. One of the routes involves elimination of α-bromo-cyclopentanone using lithium carbonate and Claisen condensation-decarboxylation-isomerization cascades of unsaturated diesters as shown below.
Synthesis of 2-Cyclopenten-1-one
The acid-catalyzed dehydration of cyclopentanediols affords cyclopentenone.
As a functional group, the synthesis of 2-cyclopentenones is accomplished in a variety of other ways, including the Nazarov cyclization reaction from divinyl ketones, Saegusa–Ito oxidation from cyclopentanones, ring-closing metathesis from the corresponding dienes, oxidation of the corresponding cyclic allylic alcohols, and the Pauson–Khand reaction from alkenes, alkynes, and carbon monoxide.
en.wikipedia.org

References

[1] A Rossi, M G Santoro, G Elia. “2-Cyclopenten-1-one, a new inducer of heat shock protein 70 with antiviral activity.” The Journal of Biological Chemistry 271 50 (1996): 32192–6.

2-Cyclopenten-1-one Preparation Products And Raw materials

Raw materials

Calcium carbonate 4-PENTENOYL CHLORIDE Carbon tetrachloride Aluminum chloride Carbon disulfide

2,4,6-Collidine Diethyl ether Government regulation Dichloromethane Cyclopentanone

Calcium hypochlorite Cyclopentene, 4-(methylsulfinyl)-4-(methylthio)- 3-CYCLOPENTEN-1-ONE

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Preparation Products

2,3-dihydro-1H-cyclopenta[b]naphthalen-1-one 3-Hydroxy-3-methylcyclopentanamine hydrochloride 7-METHYL-1-INDANONE Carbamic acid, N-?(3-?oxocyclopentyl)?-?, 1,?1-?dimethylethyl ester Furfuryl alcohol

2-Cyclopenten-1-one Suppliers

Global( 302)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Chongqing Chemdad Co., Ltd	+86-023-6139-8061 +86-86-13650506873	sales@chemdad.com	China	39894	58
Capot Chemical Co.,Ltd.	+86-（0）57185586718 +86-13336195806	sales@capot.com	China	29791	60
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21634	55
Speranza Chemical Co., Ltd.	+86-86-075521030354 +8618688942810	sophieliu@speranzachem.com	China	802	55
career henan chemical co	+86-0371-86658258 +8613203830695	sales@coreychem.com	China	29880	58
Jinan Carbotang Biotech Co.,Ltd.	+8615866703830	figo.gao@foxmail.com	China	8497	58
Nanjing jinheyou Trading Co., Ltd.	15705188088	admin@jheyou.com	CHINA	1268	58
CONIER CHEM AND PHARMA LIMITED	+8618523575427	sales@conier.com	China	49374	58
Guangzhou Yuheng Pharmaceutical Technology Co., Ltd	+8613580539051	joe@yuhengpharm.com	CHINA	21142	58
SIMAGCHEM CORP	+86-13806087780	sale@simagchem.com	China	17365	58

Supplier	Advantage
Chongqing Chemdad Co., Ltd	58
Capot Chemical Co.,Ltd.	60
Henan Tianfu Chemical Co.,Ltd.	55
Speranza Chemical Co., Ltd.	55
career henan chemical co	58
Jinan Carbotang Biotech Co.,Ltd.	58
Nanjing jinheyou Trading Co., Ltd.	58
CONIER CHEM AND PHARMA LIMITED	58
Guangzhou Yuheng Pharmaceutical Technology Co., Ltd	58
SIMAGCHEM CORP	58

View Lastest Price from 2-Cyclopenten-1-one manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2023-12-04	2-Cyclopentenone 930-30-3	US $0.00-0.00 / kg	0.10000000149011612kg	98%	100kg	Huida Pharmaceutical Technology (Shanghai) Co., Ltd.
2023-12-04	2-Cyclopentenone 930-30-3	US $0.00-0.00 / kg	0.10000000149011612kg	98%	100kg	Huida Pharmaceutical Technology (Shanghai) Co., Ltd.
2022-02-22	2-Cyclopentenone 930-30-3	US $0.00 / KG	1KG	97.9%	100 tons	Honest Joy Holdings Limited

2-Cyclopentenone
930-30-3
US $0.00-0.00 / kg
98%
Huida Pharmaceutical Technology (Shanghai) Co., Ltd.

2-Cyclopentenone
930-30-3
US $0.00-0.00 / kg
98%
Huida Pharmaceutical Technology (Shanghai) Co., Ltd.

2-Cyclopentenone
930-30-3
US $0.00 / KG
97.9%
Honest Joy Holdings Limited

2-Cyclopenten-1-one Spectrum

2-Cyclopentenone(930-30-3)MS 2-Cyclopentenone(930-30-3)¹HNMR 2-Cyclopentenone(930-30-3)¹³CNMR 2-Cyclopentenone(930-30-3)IR1 2-Cyclopentenone(930-30-3)IR2 2-Cyclopentenone(930-30-3)Raman

930-30-3(2-Cyclopenten-1-one)Related Search:

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PROSTAGLANDIN B1 AMYL CYCLOPENTENONE,2-Pentyl-2-cyclopentenone Cyclopentanone

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2-CYCLOPENTENONE CPEO 2_cyclopenten-1-0ne 2-cyclopenten-1-0ne 2-Cyclopentenone-1 3-Cyclopenten-2-one Cyclopenten-3-one cyclopenten-2-one 2-Cyclopentenone, pure, 98% Cyclopent-2-en-1-one 97% 1-Cyclopenten-3-one 2-Cyclopentenone, 98%, pure Cyclopent-2-en-3-one 2-Cyclopenten-1-one ,96% 1-Oxocyclopent-2-ene, Cyclopent-1-en-3-one 2-Cyclopentenone, pure, 98% 25GR 2-Cyclopentenone, pure, 98% 5GR 2-Cyclopenten-1-one, 97+% 3-Oxocyclopent-1-ene, Cyclopent-1-en-3-one Cyclopent-2-en-1-one 98+% 2-CycL openten-1-one 2-Cyclopenten-1-one > 2-Cyclopenten-1-one, 96%, for synthesis 2-Cyclopenten-1-One,>98% 1-CYCLOPENTEN-5-ONE NSC 73117 2-CYCLOPENTEN-1-ONE 2-CYCLOPENTENE-1-ONE CYCLOPENT-2-ENONE Cyclopentenone 2-Cyclopenten-1-one (6CI, 7CI, 8CI, 9CI, ACI) 930-30-3 C5H6O Building Blocks Carbonyl Compounds C3 to C6 Organic Building Blocks Ketones Ring Systems C3 to C6 Carbonyl Compounds Ketones Pyridines