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3-methylcyclopent-2-en-1-one

3-methylcyclopent-2-en-1-one structure

CAS No.: 2758-18-1

Chemical Name:: 3-methylcyclopent-2-en-1-one

Synonyms: 2-Cyclopenten-1-one, 3-methyl-;3-methylcyclopent-2-enone;Methylcyclopentenone;1-Methyl-1-cyclopenten-3-one;3-METHYL-2-CYCLOPENTENE-1-ONE;3-MCP;3-Methylcyclopent-2-enon;3-METHYL-2-CYCLOPENTENONE;3-Methyl-cyclopent-2-enone;1-Methylcyclopentene-3-one

CBNumber:: CB9246368

Molecular Formula:: C6H8O

Molecular Weight:: 96.13

MDL Number:: MFCD00001403

MOL File:: 2758-18-1.mol

MSDS File:: SDS

Last updated:2024-11-17 16:00:36

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3-methylcyclopent-2-en-1-one Properties

Melting point	3-5 °C (lit.)
Boiling point	74 °C/15 mmHg (lit.)
Density	0.980 g/mL at 20 °C 0.971 g/mL at 25 °C (lit.)
FEMA	3435 \| 1-METHYL-1-CYCLOPENTEN-3-ONE
refractive index	n20/D 1.488(lit.)
Flash point	150 °F
storage temp.	2-8°C
solubility	Soluble in DMSO
form	Liquid
color	Clear light yellow to yellow-brown
PH	4.9 (10g/l, H2O, 20℃)
Odor	at 1.00 % in dipropylene glycol. sweet fruity fatty
Odor Type	fruity
Water Solubility	miscible
JECFA Number	1105
BRN	1280476
LogP	0.54
CAS DataBase Reference	2758-18-1(CAS DataBase Reference)
Substances Added to Food (formerly EAFUS)	1-METHYL-1-CYCLOPENTEN-3-ONE
FDA UNII	6V7RSW7273
NIST Chemistry Reference	2-Cyclopenten-1-one, 3-methyl-(2758-18-1)
EPA Substance Registry System	3-Methyl-2-cyclopenten-1-one (2758-18-1)

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H227

Precautionary statements

P210e-P280a-P370+P378a-P403+P235-P501a

Risk Statements

36/38

Safety Statements

24/25

RIDADR

1224

WGK Germany

TSCA

Yes

PackingGroup

III

HS Code

29142900

NFPA 704

	2
1		0

3-methylcyclopent-2-en-1-one price More Price(35)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	W343502	3-Methyl-2-cyclopenten-1-one 97%, FG	2758-18-1	SAMPLE	$59.8	2024-03-01	Buy
Sigma-Aldrich	145777	3-Methyl-2-cyclopentenone 97%	2758-18-1	5g	$93	2024-03-01	Buy
Sigma-Aldrich	145777	3-Methyl-2-cyclopentenone 97%	2758-18-1	25g	$707	2024-03-01	Buy
TCI Chemical	M0956	3-Methyl-2-cyclopentenone >98.0%(GC)	2758-18-1	25mL	$144	2024-03-01	Buy
TCI Chemical	M0956	3-Methyl-2-cyclopentenone >98.0%(GC)	2758-18-1	100mL	$436	2024-03-01	Buy

Product number	Packaging	Price	Buy
W343502	SAMPLE	$59.8	Buy
145777	5g	$93	Buy
145777	25g	$707	Buy
M0956	25mL	$144	Buy
M0956	100mL	$436	Buy

3-methylcyclopent-2-en-1-one Chemical Properties,Uses,Production

Description

May be prepared by dehydrohalogenation of 2-chloro-l-methylcyclopentan-3-one.

Chemical Properties

clear light yellow to yellow-brownish liquid

Chemical Properties

1-Methyl-1-cyclopenten-3-one has a sweet-floral, warm-spicy and diffusive yet quite tenacious odor.

Occurrence

Reported found in roasted onion, cooked pork, black tea, soybean and dried bonito

Uses

3-Methyl-2-cyclopentenone was used in the synthesis of 2-hydroxy-3-methyl-2-cyclopentenone.

Uses

It is an important raw material and intermediate used in Organic Synthesis, Pharmaceuticals, Agrochemicals.

Definition

ChEBI: 3-Methyl-2-cyclopenten-1-one is a cyclic ketone.

Preparation

By dehydrohalogenation of 2-chloro-1-methyl-cyclopentan-3-one.

Synthesis Reference(s)

Journal of the American Chemical Society, 101, p. 494, 1979 DOI: 10.1021/ja00496a044
The Journal of Organic Chemistry, 55, p. 371, 1990

General Description

3-Methyl-2-cyclopenten-1-one is a component of smoke flavoring.

3-methylcyclopent-2-en-1-one synthesis

Synthesis of 3-methylcyclopent-2-en-1-one from 2,5-Hexanedione

3-methylcyclopent-2-en-1-one Preparation Products And Raw materials

Raw materials

1-methylcyclopent-2-en-1-ol 6-Oxabicyclo[3.1.0]hexan-2-one,5-methyl- Acetic acid 5-oxohexyl ester 2-Hexanone, 5-hydroxy- (6CI,9CI) 1-Methylcyclopentene

4-acetylbutyric acid Acetic acid

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Preparation Products

6-Bromo-7-methyl-1,4-dioxaspiro[4.4]non-6-ene METHYL 4-METHYL-2-OXOCYCLOPENTANECARBOXYLATE

3-methylcyclopent-2-en-1-one Suppliers

Global( 256)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Dayang Chem (Hangzhou) Co.,Ltd.	571-88938639 +8617705817739	info@dycnchem.com	China	52849	58
Hebei Yanxi Chemical Co., Ltd.	+8617531190177	peter@yan-xi.com	China	5857	58
Hebei Chuanghai Biotechnology Co,.LTD	+86-13131129325	sales1@chuanghaibio.com	China	5892	58
Henan Fengda Chemical Co., Ltd	+86-371-86557731 +86-13613820652	info@fdachem.com	China	20287	58
JINING XINHE CHEMICAL CO., LTD	+8615318402391	sales@xinhepharma.com	China	809	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
career henan chemical co	+86-0371-86658258 +8613203830695	sales@coreychem.com	China	29882	58
Hubei Jusheng Technology Co.,Ltd.	18871490254	linda@hubeijusheng.com	CHINA	28172	58
Jinan Finer Chemical Co., Ltd	+86-531-88989536 +86-15508631887	sales@finerchem.com	China	2964	58

Supplier	Advantage
Dayang Chem (Hangzhou) Co.,Ltd.	58
Hebei Yanxi Chemical Co., Ltd.	58
Hebei Chuanghai Biotechnology Co,.LTD	58
Henan Fengda Chemical Co., Ltd	58
JINING XINHE CHEMICAL CO., LTD	58
Capot Chemical Co.,Ltd.	60
Henan Tianfu Chemical Co.,Ltd.	55
career henan chemical co	58
Hubei Jusheng Technology Co.,Ltd.	58
Jinan Finer Chemical Co., Ltd	58

View Lastest Price from 3-methylcyclopent-2-en-1-one manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2024-11-25	3-Methyl-2-cyclopenten-1-one 2758-18-1	US $5.00 / KG	1KG	99%	200mt/year	Jinan Finer Chemical Co., Ltd
2024-11-17	3-Methyl-2-cyclopenten-1-one 2758-18-1	US $41.00 / mg		98.92%	10g	TargetMol Chemicals Inc.
2024-10-25	3-Methyl-2-cyclopenten-1-one 2758-18-1	US $25.00-9.00 / kg	1kg	0.99	10 tons	Hebei Yanxi Chemical Co., Ltd.

3-Methyl-2-cyclopenten-1-one
2758-18-1
US $5.00 / KG
99%
Jinan Finer Chemical Co., Ltd

3-Methyl-2-cyclopenten-1-one
2758-18-1
US $41.00 / mg
98.92%
TargetMol Chemicals Inc.

3-Methyl-2-cyclopenten-1-one
2758-18-1
US $25.00-9.00 / kg
0.99
Hebei Yanxi Chemical Co., Ltd.

3-methylcyclopent-2-en-1-one Spectrum

3-Methyl-2-cyclopenten-1-one(2758-18-1)MS 3-Methyl-2-cyclopenten-1-one(2758-18-1)¹HNMR 3-Methyl-2-cyclopenten-1-one(2758-18-1)IR1 3-Methyl-2-cyclopenten-1-one(2758-18-1)Raman

2758-18-1(3-methylcyclopent-2-en-1-one)Related Search:

Acetonitrile Mesotrione Kresoxim-methyl Methanol Methyl acetate

Paraquat dichloride Methylparaben N-Methyl-2-pyrrolidone 2-Cyclopenten-1-one 4-Methyl-2-pentanone

Methyl acrylate Basic Violet 1 Methyl PIPERONYL METHYL KETONE METHYL-2-PYRROLIDONE

Methyl bromide 2,3,4,5-TETRAMETHYL-2-CYCLOPENTENONE Pyrethrins

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3-METHYL-2-CYCLOPENTEN-1-ONE FOR SYNTHES 3-methyl-2-cyclopenten-1-on 3-Methyl-cyclopent-2-enone 3-Methyl-2-cyclopentenone 97% 3-Methyl-2-cyclopenten-1-one, 97%+ 3-Methyl-2-cyclopenten-1-one, GC 98% 3-Methyl-2-cyclopenten-1-one, stabilised 3-Methyl-2-cyclopenten-1-one, stabilized, 98% 10GR 3-Methyl-2-cyclopenten-1-one, stabilized, 98% 50GR 3-Methyl-2-cyclopenten-1-one, stabilized with 0.1% hydroquinone 3-METHYL-2-CYCLOPENTEN-1-ONE 3-METHYL-2-CYCLOPENTENONE 3-Methyl-2-cyclopenten-1-one, stabilized, 98% 3-METHYL-2-CYCLOPENTEN-1-ONE, 98+% 3-Methyl-2-cyclopenten-1-one, 98%, stab. with 0.1% hydroquinone 3-MCP 3-Methyl-1-oxocyclopent-2-ene 3-Methyl-2-cyclopenten-1-one, 98%, stabilized 1-Methylcyclopentene-3-one 3-acetylthio-2,5-hexanedione 3-methyl-1-cyclopent-2-enone 3-Methylcyclopent-2-enon 3-Methyl-2-cyclopentenone> -Methyl-2-cyclopenten-1-one 1-Methyl-1-cyclopenten-3-one 3-methylcyclopent-2-enone Methylcyclopentenone 3-METHYL-2-CYCLOPENTENE-1-ONE 2-Cyclopenten-1-one, 3-methyl- 3-Methyl-2-cyclopenten-1-one CAS NO.2758-18-1 3-methylcyclopent-2-en-1-one 3-Methyl-2-cyclopenten-1-one(3-MCP) 3-Methyl-2-cyclopenten-1-one,with0.1%hydroquinone 2758-18-1 CH3C5H5O Building Blocks C3 to C6 Carbonyl Compounds Organic Building Blocks Ketones C3 to C6 Carbonyl Compounds Ketones ketone Building Blocks C3 to C6 Carbonyl Compounds Chemical Synthesis Organic Building Blocks Pyridines