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3-methylcyclopent-2-en-1-one

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:2024-04-25 17:59:01

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)  GHS hazard pictograms
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  3
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.

110-13-4
2758-18-1
Synthesis of 3-methylcyclopent-2-en-1-one from 2,5-Hexanedione
Global( 245)Suppliers
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Dayang Chem (Hangzhou) Co.,Ltd.
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+8617531190177 peter@yan-xi.com China 6011 58
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View Lastest Price from 3-methylcyclopent-2-en-1-one manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
3-Methyl-2-cyclopenten-1-one pictures 2024-05-24 3-Methyl-2-cyclopenten-1-one
2758-18-1
US $5.00 / KG 1KG 99% 200mt/year Jinan Finer Chemical Co., Ltd
3-methylcyclopent-2-en-1-one pictures 2024-04-25 3-methylcyclopent-2-en-1-one
2758-18-1
US $34.00-1.10 / kg 1kg 99% g-kg-tons, free sample is available Henan Fengda Chemical Co., Ltd
3-Methyl-2-cyclopenten-1-one pictures 2024-04-24 3-Methyl-2-cyclopenten-1-one
2758-18-1
US $10.00 / kg 1kg 99.6% 100000 Ouhuang Engineering Materials (Hubei) Co., Ltd
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) 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