2-Ethyl-3-hydroxy-4H-pyran-4-one

Basic Information

View in Editor

CAS Number

4940-11-8

Molecular Formula

C7H8O3

Molecular Weight

140.14 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Fine Chemicals Dyes and Pigments Organic Dyes

Basic Physical Properties

Melting Point

85-95 °C

Boiling Point

196.62°C (rough estimate)

Flash Point

124.8±20.8 °C

Solubility

Chloroform (Slightly), Methanol (Slightly)

Refractive Index

1.4850 (estimate)

Vapor Pressure

0.0±1.4 mmHg at 25°C

SMILES

View in Editor

CCc1occc(=O)c1O

InChI

InChI=1S/C7H8O3/c1-2-6-7(9)5(8)3-4-10-6/h3-4,9H,2H2,1H3

InChIKey

YIKYNHJUKRTCJL-UHFFFAOYSA-N

LogP

0.9077999999999999

Topological Polar Surface Area

50.44 Å²

Hydrogen Bond Donor/Acceptor

1 / 3

Complexity

213

Safety Information

View Safety Information

GHS Hazard Pictograms

H302

Hazard Statement

H302 Harmful if swallowed
Acute toxicity, oral

Toxicity

LD50 orally in male mice, male rats, female rats, chicks (mg/kg): 780, 1150, 1200, 1270 (Gralla)

Synonyms & References

English

2-Ethyl-3-hydroxy-4H-pyran-4-one
2-ethyl-3-hydroxy-4h-pyran-4-on
2-ethylpyromeconicacid
4H-Pyran-4-one,2-ethyl-3-hydroxy-
veltolplus
ETHYL MALTOL
FEMA 3487
2-ETHYL-3-HYDROXY-4-PYRONE
3-Hydroxy-2-ethyl-4-pyrone
ethylmaltol
Veltol plus
2-Ethylpyromeconic acid
4H-PYRAN-4-ONE, 2-ETHYL-3-HYDROXY-
3-Hydroxy-2-ethyl-1,4-pyrone
2-Ethyl pyromeconic acid
3-Hydroxy-2-ethyl-4H-pyran-4-one
2-ethyl-3-hydroxypyran-4-one
FEMA No. 3487
3-Hydroxy-2-ethyl-gamma-pyrone
2-Ethyl-3-hydroxy-pyran-4-one
YIKYNHJUKRTCJL-UHFFFAOYSA-N
L6Q8K29L05
NSC638851
E637
Maltol-ethyl
Ethy
Ethyl maltol

MDL Number

MFCD00059795

Customs Code

2932999099

FAQ

What is 2-Ethyl-3-hydroxy-4H-pyran-4-one (CAS: 4940-11-8)?

2-Ethyl-3-hydroxy-4H-pyran-4-one, with the CAS number 4940-11-8, is a cyclic ester compound commonly known as ethyl-3-hydroxy-4H-pyran-4-one. It has the chemical formula C6H10O3 and is characterized by its six-membered lactone ring structure. This compound is often used as an intermediate in organic synthesis and is known for its mild reactivity and stability under normal conditions.

What are the main uses of 2-Ethyl-3-hydroxy-4H-pyran-4-one (CAS: 4940-11-8)?

2-Ethyl-3-hydroxy-4H-pyran-4-one is widely utilized in pharmaceutical research for the synthesis of various bioactive compounds. It also serves as a building block in the production of flavor and fragrance chemicals. Additionally, it is used in the development of agrochemicals and as a precursor in polymer science. Its versatility makes it a valuable compound in multiple industrial applications.

Is 2-Ethyl-3-hydroxy-4H-pyran-4-one (CAS: 4940-11-8) safe?

2-Ethyl-3-hydroxy-4H-pyran-4-one is generally considered safe when handled properly. However, as with many organic compounds, it may cause irritation to the skin, eyes, or respiratory system. Safety data sheets (SDS) recommend using appropriate personal protective equipment (PPE) such as gloves and goggles. It is important to follow standard laboratory safety protocols to minimize exposure risks.

How should 2-Ethyl-3-hydroxy-4H-pyran-4-one (CAS: 4940-11-8) be stored?

2-Ethyl-3-hydroxy-4H-pyran-4-one should be stored in a cool, dry, and well-ventilated place, away from direct light. It is best kept in a sealed container made of glass or polyethylene to prevent moisture ingress. The recommended storage temperature is between 2-8°C, and it should be protected from humidity and potential contaminants to maintain its chemical stability.