Tetrahydro-2H-pyran-2-one

Basic Information

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CAS Number

542-28-9

Molecular Formula

C5H8O2

Molecular Weight

100.12 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

−13-−12 °C

Boiling Point

226-229 °C<br />58-60 °C/0.5 mmHg

Water Solubility

miscible

Refractive Index

n20/D 1.457(lit.)

SMILES

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O=C1CCCCO1

InChI

InChI=1S/C5H8O2/c6-5-3-1-2-4-7-5/h1-4H2

InChIKey

OZJPLYNZGCXSJM-UHFFFAOYSA-N

LogP

0.7135

Topological Polar Surface Area

26.3 Å²

Hydrogen Bond Donor/Acceptor

0 / 2

Complexity

78.1

Safety Information

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GHS Hazard Pictograms

H318

Hazard Statement

H318 Causes serious eye damage
Serious eye damage/eye irritation

Synonyms & References

English

Tetrahydro-2H-pyran-2-one
4-HYDROXYPENTANOIC ACID LACTONE
4-HYDROXYVALERIC ACID G-LACTONE
4-PENTANOLIDE
4-VALEROLACTONE
DELTA-VALEROLACTONE
D-VALEROLACTONE
FEMA 3103
GAMMA-METHYL-GAMMA-BUTYROLACTONE
GAMMA-PENTANOLACTONE
GAMMA-VALEROLACTONE
G-VALEROLACTONE
TETRAHYDRO-2H-2-PYRANONE
VALEROLACTONE, GAMMA-
1,2-pyrone,tetrahydro-
1-Oxacyclohexan-2-one
2H-pyran-2-one,tetrahydro-
5-Hydroxypentanoic acid delta-lactone
5-pentanolide
δ-Valerolactone
DVL delta-Valerolactone
delta-Valerolactone
Tetrahydro-2H-2-pyranone

MDL Number

MFCD00006645

Customs Code

2932999099

FAQ

What is Tetrahydro-2H-pyran-2-one (CAS: 542-28-9)?

Tetrahydro-2H-pyran-2-one is a cyclic ester compound with the chemical formula C5H10O3. It is a colorless liquid with a low boiling point and is commonly used as a building block in organic synthesis. This compound is known for its reactivity and versatility in forming various derivatives, making it valuable in chemical research and industrial applications.

What are the main uses of Tetrahydro-2H-pyran-2-one (CAS: 542-28-9)?

Tetrahydro-2H-pyran-2-one is widely used in pharmaceuticals for the synthesis of drugs and active ingredients. It also finds applications in the food industry as a flavor enhancer and in research for developing new materials and chemical compounds. Its utility extends to organic chemistry as a key intermediate in the production of other functional molecules.

Is Tetrahydro-2H-pyran-2-one (CAS: 542-28-9) safe?

Tetrahydro-2H-pyran-2-one is generally considered safe when handled properly. However, it should be treated with caution as it can be harmful if inhaled, ingested, or comes into contact with skin. Safety standards recommend using appropriate protective equipment, such as gloves and goggles, and working in a well-ventilated area to minimize exposure risks.

How should Tetrahydro-2H-pyran-2-one (CAS: 542-28-9) be stored?

Tetrahydro-2H-pyran-2-one should be stored in a cool, dry, and dark place, ideally at 2-8°C. It is sensitive to moisture and light, so it should be kept in tightly sealed containers made of inert materials like glass or stainless steel. Proper storage ensures stability and prevents degradation of the compound.