Chinese Japanese Germany Korea
ChemicalBook >> CAS DataBase List >>2-methylcyclopentenone

2-methylcyclopentenone

2-methylcyclopentenone Structure
2-methylcyclopentenone structure
CAS No.
1120-73-6
Chemical Name:
2-methylcyclopentenone
Synonyms
2-Methylcyclopent-2-en-1-one;2-Methyl-2-cyclopentenone;2-METHYL-2-CYCLOPENTEN-1-ONE;2-Methyl-2-cyclopentene-1-one;2-Cyclopenten-1-one,2-methyl-;2-methylcyclopentenone;methylcyclopentyleneone;2-Methyl-2-cyclopentenon;2-Cyclopenten-1-one,2-meth;2-Methyl-cyclopent-2-enone
CBNumber:
CB1490686
Molecular Formula:
C6H8O
Molecular Weight:
96.13
MDL Number:
MFCD00012275
MOL File:
1120-73-6.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-27 23:49:32
Request For Quotation

2-methylcyclopentenone Properties

Boiling point 158-161 °C(lit.)
Density 0.979 g/mL at 25 °C(lit.)
refractive index n20/D 1.479(lit.)
Flash point 120 °F
storage temp. 2-8°C
solubility Chloroform (Sparingly), Methanol (Slightly)
form Liquid
color Clear yellow
InChI InChI=1S/C6H8O/c1-5-3-2-4-6(5)7/h3H,2,4H2,1H3
InChIKey ZSBWUNDRDHVNJL-UHFFFAOYSA-N
SMILES C1(=O)CCC=C1C
LogP 0.301 (est)
CAS DataBase Reference 1120-73-6
FDA UNII N5S7BLT3Q9
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Flame (GHS02)
GHS02
Signal word  Warning
Hazard statements  H226
Precautionary statements  P210
PPE Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Risk Statements  10
Safety Statements  16-27-36/37/39
RIDADR  UN 1224 3/PG 3
WGK Germany  3
HazardClass  3.2
PackingGroup  III
HS Code  29142990
Storage Class 3 - Flammable liquids
Hazard Classifications Flam. Liq. 3

2-methylcyclopentenone price More Price(23)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 304190 2-Methyl-2-cyclopenten-1-one 98% 1120-73-6 1g $94.4 2026-04-30 Buy
Sigma-Aldrich 304190 2-Methyl-2-cyclopenten-1-one 98% 1120-73-6 5g $243 2026-04-30 Buy
TRC TRC-M338293-5G 2-Methyl-2-cyclopentenone 1120-73-6 5g $618 2026-06-03 Buy
TRC TRC-M338293-2.5G 2-Methyl-2-cyclopentenone 1120-73-6 2.5g $347 2026-06-03 Buy
TRC TRC-M338293-1G 2-Methyl-2-cyclopentenone 1120-73-6 1g $167 2026-06-03 Buy
Product number Packaging Price Buy
304190 1g $94.4 Buy
304190 5g $243 Buy
TRC-M338293-5G 5g $618 Buy
TRC-M338293-2.5G 2.5g $347 Buy
TRC-M338293-1G 1g $167 Buy

2-methylcyclopentenone Chemical Properties, Uses, Production

Chemical Properties

CLEAR YELLOW LIQUID

Uses

2-Methyl-2-cyclopentenone is used in preparation for molecular characterization of the pyrolysis of biomass.

Definition

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

Synthesis Reference(s)

The Journal of Organic Chemistry, 49, p. 950, 1984 DOI: 10.1021/jo00179a044
Synthesis, p. 1009, 1984 DOI: 10.1055/s-1984-31052

General Description

Diels-Alder reactions of 2-methyl-2-cyclopenten-1-one with 1-ethenylhydronaphthalenes were studied.

2-methylcyclopentenone Preparation Products And Raw materials

Raw materials

Preparation Products

Methyl cyclopentenolone Methyl-5-norbornene-2,3-dicarboxylic anhydride 2-Methylcyclopentanone 3-(But-3-en-1-yl)-2-Methylcyclopentanone

2-methylcyclopentenone Suppliers

Global Suppliers ( 119)
Supplier Tel Email Country ProdList Advantage
Chongqing Botao Biotechnology Co., LTD 15223382610 danny@chemdad.com China 2034 58
Suzhou Chirui Zhihe Biotechnology Co., Ltd. 0512-13626191578 13626191578 1286165382@qq.com China 435 58
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
Beijing Donghualituo Techonlogy Development Co.,Ltd. 010-88425576 sales@dhltchem.com China 793 59
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Adamas Reagent, Ltd. 400-6009262 15618770481 yhx@titansci.com China 14098 59
Nanjing Chemlin Chemical Co., Ltd 025-83697070 13770331960 info@chemlin.com.cn China 16305 64
Syntechem Co.,Ltd info@syntechem.com China 12973 57
Hangzhou Sage Chemical Co., Ltd. +86057186818502 13588463833 info@sagechem.com China 10265 58
Supplier Advantage
Chongqing Botao Biotechnology Co., LTD 58
Suzhou Chirui Zhihe Biotechnology Co., Ltd. 58
J & K SCIENTIFIC LTD. 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 62
Beijing Donghualituo Techonlogy Development Co.,Ltd. 59
Energy Chemical 61
Adamas Reagent, Ltd. 59
Nanjing Chemlin Chemical Co., Ltd 64
Syntechem Co.,Ltd 57
Hangzhou Sage Chemical Co., Ltd. 58

View Latest Price from 2-methylcyclopentenone manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
2-Methyl-2-cyclopenten-1-one pictures 2020-02-26 2-Methyl-2-cyclopenten-1-one
1120-73-6
 100g 99.0%+ 100 tons Shaanxi Dideu Medichem Co. Ltd
2-METHYL-2-CYCLOPENTEN-1-ONE pictures 2020-01-10 2-METHYL-2-CYCLOPENTEN-1-ONE
1120-73-6
 $7.00 1KG 99% 100KG Career Henan Chemical Co

2-methylcyclopentenone Spectrum

2-METHYL-2-CYCLOPENTEN-1-ONE(1120-73-6)1HNMR2-METHYL-2-CYCLOPENTEN-1-ONE(1120-73-6)FT-IR2-METHYL-2-CYCLOPENTEN-1-ONE(1120-73-6)IR2-METHYL-2-CYCLOPENTEN-1-ONE(1120-73-6)Raman

1120-73-6 (2-methylcyclopentenone) Related Search:

3-Methyl-1,2-cyclopentanedione 5-Ethyl-2-hydroxy-3-methyl-2-cyclopenten-1-one 2-Allyl-4-hydroxy-3-methyl-2-cyclopenten-1-one,2-ALLYL-4-HYDROXY-3-METHYL-2-CYCLOPENTEN-1-ONE (R,S) PROSTAGLANDIN B1 2-methylcyclopentenone
2-Pentyl-3-methyl-2-cyclopenten-1-one ISOJASMONE Jasmone Allethrin 2-Cyclopenten-1-one
S-Bioallethrin Methyl cyclopentenolone 3-Methyl-2-cyclopentenone Phorbol 12-myristate 13-acetate Dihydrojasmone
2-Pentyl-2-cyclopenten-1-one 2,3,4,5-Tetramethyl-2-cyclopentenone 4ALPHA-PHORBOL

1of4

2-Cyclopenten-1-one,2-methyl- 2-Methyl-2-cyclopentene-1-one 2-Methyl-cyclopent-2-enone 2-Cyclopenten-1-one,2-meth 2-METHYL-2-CYCLOPENTEN-1-ONE 98% 2-Methyl-1-cyclopenten-3-one 2-Methylcyclopentene-3-one 2-Methyl-2-cyclopenten-1-one,97% 2-Methyl-2-cyclopenten-1-one 2-methylcyclopentenone 2-Methyl-2-cyclopentenon methylcyclopentyleneone 2-METHYL-2-CYCLOPENTEN-1-ONE 2-Methyl-2-cyclopentenone 2-Methylcyclopent-2-en-1-one 2-Methyl-2-cyclopenten-1-one 98% 1120-73-6 Organic Building Blocks Ketones Building Blocks Carbonyl Compounds C3 to C6 C3 to C6 Carbonyl Compounds Ketones