5-Propyldihydro-2(3H)-furanone

Basic Information

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CAS Number

105-21-5

Molecular Formula

C7H12O2

Molecular Weight

128.17 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Esters

Basic Chemical Raw Materials Organic Chemicals Ethers

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Basic Physical Properties

Boiling Point

236°C

Flash Point

>110 ºC

Refractive Index

1.445

SMILES

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CCCC1CCC(=O)O1

InChI

InChI=1S/C7H12O2/c1-2-3-6-4-5-7(8)9-6/h6H,2-5H2,1H3

InChIKey

VLSVVMPLPMNWBH-UHFFFAOYSA-N

LogP

1.4921

Topological Polar Surface Area

26.3 Å²

Hydrogen Bond Donor/Acceptor

0 / 2

Complexity

110

Safety Information

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GHS Hazard Pictograms

H315

Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

Synonyms & References

English

γ-Oenantholacton
4-Hydroxyheptanoic acid gamma-lactone
4-n-Propyl-4-hydroxybutanoic acid lactone
4-Heptanolide
Gamma-Heptalactone
γ-Heptalactone
gamma-Heptanolactone
HEPTALACTONE, gamma-(AS)
(±)-4-Heptanolide
(±)-Dihydro-5-propyl-2(3H)-furanone
(±)-γ-Propyl-γ-butyrolactone
5-propyloxolan-2-one
γ-Enanthonolactone
γ-Heptanolactone
heptan-4-
FEMA 2539
Heptan-4-olid
heptan-4-olide
G-HEPTALACTONE
Heptanolide-4,1
gamma heptalatone
gamma-Heptalactone
4-HEPTANOLIDE

MDL Number

MFCD00036498

Customs Code

2932209090

FAQ

What are the physical and chemical properties of 5-Propyldihydro-2(3H)-furanone (CAS: 105-21-5)?

5-Propyldihydro-2(3H)-furanone (CAS: 105-21-5) is a colorless to yellowish liquid with a fruity odor. It has a molecular weight of approximately 128.18 g/mol and a density of 0.923 g/cm³. The compound is slightly soluble in water but miscible with organic solvents. It is relatively stable under normal conditions but can react with strong oxidizing agents. It is used as a fragrance and flavoring agent.

How is 5-Propyldihydro-2(3H)-furanone (CAS: 105-21-5) typically synthesized?

5-Propyldihydro-2(3H)-furanone is typically synthesized via a condensation reaction between propionaldehyde and benzylidene acetone. The reaction is catalyzed by acids such as sulfuric acid and proceeds with high selectivity and good yield. The process involves heating the reactants to a controlled temperature, followed by purification steps to isolate the desired product.

What industries use 5-Propyldihydro-2(3H)-furanone (CAS: 105-21-5)?

5-Propyldihydro-2(3H)-furanone (CAS: 105-21-5) is primarily used in the food and fragrance industries as a flavor and fragrance component. It is also utilized in the pharmaceutical industry for its potential as a terpenoid precursor and in the chemical industry for its reactivity in various synthetic pathways.

What precautions should be taken when handling 5-Propyldihydro-2(3H)-furanone (CAS: 105-21-5)?

When handling 5-Propyldihydro-2(3H)-furanone (CAS: 105-21-5), it is important to use appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat. It should be handled in a well-ventilated area or a fume hood to avoid inhalation of the vapor. Spills should be cleaned up promptly using appropriate absorbent materials. Always refer to the Safety Data Sheet (SDS) for detailed handling and emergency procedures.