2(5H)-Furanone

Basic Information

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CAS Number

497-23-4

Molecular Formula

C4H4O2

Molecular Weight

84.07 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

Water Treatment Chemicals Coagulants and Flocculants Inorganic Coagulants

Basic Physical Properties

Melting Point

4-5 °C

Boiling Point

86-87 °C/12 mmHg

Water Solubility

Immiscible with water.

Refractive Index

n20/D 1.469(lit.)

SMILES

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O=C1OCC=C1

InChI

InChI=1S/C4H4O2/c5-4-2-1-3-6-4/h1-2H,3H2

InChIKey

VIHAEDVKXSOUAT-UHFFFAOYSA-N

LogP

0.09940000000000004

Topological Polar Surface Area

26.3 Å²

Hydrogen Bond Donor/Acceptor

0 / 2

Complexity

93.7

Safety Information

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Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

Sensitiveness

对热、光线和空气敏感

Synonyms & References

English

gamma-crotonolactone
g-Crotonolactone
2(5H)-Furanone
2-Buten-1,4-olide~gamma-Crotonolactone
2-(5H)-furanone
2-Furanone
2H-furan-5-one
Furan-2(5H)-one
2-Oxo-2,5-dihydrofuran
γ-Crotonolactone
2-Buten-1,4-olide
BUTENOLIDE
2-Butenolide
Isocrotonolactone
2-Buten-4-olide
Crotonolactone
gamma-Crotolactone
4-Hydroxy-2-butenoic acid lactone
alpha,beta-Crotonolactone
2,5-dihydrofuran-2-one
gamma-Hydroxycrotonic acid lactone
delta,alpha,beta-Butenolide
5H-furan-2-one
5-hydrofuran-2-one
2-Butenoic acid-gamma-lactone
2-Butenoic acid gamma-lactone
.gamma.-Crotonolactone
4-Hydroxycrotonic acid gamm

MDL Number

MFCD00005376

Customs Code

29322980

FAQ

What is 2(5H)-Furanone (CAS: 497-23-4)?

2(5H)-Furanone is a cyclic ketone compound with the chemical formula C4H4O2, commonly used in the fragrance and food industry. It has a sweet, caramel-like aroma and is known for its use as a flavor enhancer in food products.

What are the main uses of 2(5H)-Furanone (CAS: 497-23-4)?

2(5H)-Furanone is primarily used as a flavor and fragrance ingredient in the food and cosmetic industries. It is also used in research as a chemical intermediate and in analytical chemistry for its distinctive odor.

Is 2(5H)-Furanone (CAS: 497-23-4) safe?

2(5H)-Furanone is considered safe for use in food and cosmetics when used as directed. It is classified as safe by the Food and Drug Administration (FDA) and the European Food Safety Authority (EFSA) for food use. However, it is important to follow safety guidelines and use appropriate personal protective equipment when handling the compound.

How should 2(5H)-Furanone (CAS: 497-23-4) be stored?

2(5H)-Furanone should be stored in a cool, dry place away from direct sunlight and heat sources. It should be kept in a tightly sealed container to prevent contamination and degradation. The storage temperature should be between 15-25°C (59-77°F) to ensure stability. Avoid exposure to moisture and maintain a relative humidity below 50%.