2-Methyl-2-cyclopentenone

Basic Information

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CAS Number

1120-73-6

Molecular Formula

C6H8O

Molecular Weight

96.13 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Ketones

Basic Physical Properties

Boiling Point

158-161 °C

Refractive Index

n20/D 1.479(lit.)

SMILES

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CC1=CCCC1=O

InChI

InChI=1S/C6H8O/c1-5-3-2-4-6(5)7/h3H,2,4H2,1H3

InChIKey

ZSBWUNDRDHVNJL-UHFFFAOYSA-N

LogP

1.29560

Complexity

122

Safety Information

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GHS Hazard Pictograms

H226

Hazard Statement

H226 Flammable liquid and vapor
Flammable liquids

Hazard Class

Class 3.2 Class 3.2

Synonyms & References

English

AKOS004907581
J-002703
EN300-62498
CS-0180943
2-Methyl-2-cyclopenten-1-one, 98%
Cyclopentenone, methyl-
2-Cyclopenten-1-one,2-methyl-
F77943
Methyl-Cyclopentenone
UNII-N5S7BLT3Q9
FT-0696531
2-Methyl-cyclopent-2-enone
2-Methyl-2-cyclopentenone
2-methyl-cyclopent-2-en-1-one
2-methylcyclopent-2-en-1-one
1120-73-6
CHEBI:179529
2-methyl cyclopent-2-en-1-one
InChI=1/C6H8O/c1-5-3-2-4-6(5)7/h3H,2,4H2,1H
GEO-03736
2-METHYL-2-CYCLOPENTEN-1-ONE
89911-17-1
Cyclopentenone, 2-methyl-
DTXSID00870846
2-Cyclopenten-1-one, 2-methyl-
N5S7BLT3Q9
2-Methylcyclopent-2-enone
SY102025
CHEMBL4097891
MFCD00012275
MCP

MDL Number

MFCD00012275

Customs Code

2914190090

FAQ

What regulatory guidelines apply to 2-Methyl-2-cyclopentenone (CAS: 1120-73-6)?

2-Methyl-2-cyclopentenone (CAS: 1120-73-6) falls under the classification for health hazards according to the Globally Harmonized System of Classification and Labelling of Chemicals (GHS). It is regulated under REACH in the European Union, requiring registration and assessment of substances if the tonnage threshold is exceeded. In the U.S., it is also subject to the Toxic Substances Control Act (TSCA) by the EPA. Proper labeling and safety data sheets are required for handling, storage, and transportation.

Are there alternatives to 2-Methyl-2-cyclopentenone (CAS: 1120-73-6) in synthesis?

Several alternatives can be used in the synthesis of different ketones. For example, 2-Methyl-2-cyclopentanone (CAS: 1120-73-6) can be replaced by 2,3-Dimethyl-2-cyclopentenone (CAS: 637-57-4) or 2-Methylcyclopentanone (CAS: 129-60-8), depending on the specific requirements of the reaction. Isomeric alternatives include 2-Ethylcyclopentanone (CAS: 129-59-9). These alternatives offer similar functionalities and can be chosen based on availability, cost, and reactivity.

What is the market or research trend for 2-Methyl-2-cyclopentenone (CAS: 1120-73-6)?

The market for 2-Methyl-2-cyclopentenone (CAS: 1120-73-6) shows a steady demand in industries such as pharmaceuticals, agrochemicals, and flavor and fragrance due to its versatile applications. Research trends are focusing on its use as a precursor in the synthesis of complex molecules and natural products. Additionally, there is growing interest in developing more sustainable and eco-friendly synthesis methods to meet the increasing demand for green chemistry approaches.

How should waste containing 2-Methyl-2-cyclopentenone (CAS: 1120-73-6) be handled?

Waste containing 2-Methyl-2-cyclopentenone (CAS: 1120-73-6) should be collected in appropriate containers and labeled with hazardous waste symbols. Proper disposal should follow local, state, and federal regulations. For smaller quantities, incineration can be a suitable method. For larger volumes, professional waste disposal services should be utilized to ensure compliance with environmental protection laws. Precautions include avoiding contact with water and ensuring proper ventilation to prevent inhalation of fumes.