3-Hydroxy-2-methyl-4H-pyran-4-one

Basic Information

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CAS Number

118-71-8

Molecular Formula

C6H6O3

Molecular Weight

126.11 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

Physical State

Powder

Melting Point

161.0 to 165.0 deg-C

Boiling Point

170 ºC (10 mmHg)

Water Solubility

1.2 g/100 mL (25 ºC)

Flash Point

198 °F

Solubility

methanol: 50 mg/mL, clear

Refractive Index

n20/D 1.541

SMILES

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Cc1occc(=O)c1O

InChI

InChI=1S/C6H6O3/c1-4-6(8)5(7)2-3-9-4/h2-3,8H,1H3

InChIKey

XPCTZQVDEJYUGT-UHFFFAOYSA-N

LogP

0.6538199999999998

Topological Polar Surface Area

50.44 Å²

Hydrogen Bond Donor/Acceptor

1 / 3

Complexity

200

Safety Information

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GHS Hazard Pictograms

H302

H315

H319

H335

Hazard Statement

H302 Harmful if swallowed
Acute toxicity, oral

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Storage Conditions

2-8℃

Explosive Limit

25%

Synonyms & References

English

3-Hydroxy-2-methyl-4H-pyran-4-one
2-hydroxy-3-methyl-4H-pyran-4-one (maltol)
2-Methyl pyromeconic acid
2-Methyl-3-hydroxy-.gamma.-pyranone
2-Methyl-3-hydroxy-4-pyrone
2-Methyl-3-hydroxy-gamma.-pyranone
2-Methyl-3-hydroxypyrone
2-Methyl-3-oxy-gamma-pyrone
2-Methylpromeconicacid
3-Hydroxy-2-methyl-4-pyrone
Maltol
Maltol FCC IV
MALTOL(RG)
2-methyl-3-hydroxy-4H-pyran-4-one
2-methyl-3-hydroxy-4-pyranone
2-methyl-3-oxy-4H-pyran-4-one
3-Hydroxy-2-methyl-4-pyrone,Maltol
FEMA 2656
Laricin
MALTENE
MALTOL FCC
Palatone
Talmon
Veltol
Vetol
Larixinic acid
[ "" ]
NSC 2829
Methyl maltol
甲基麦芽酚
Larixic acid

MDL Number

MFCD00006578

Customs Code

2932999099

FAQ

What is 3-Hydroxy-2-methyl-4H-pyran-4-one (CAS: 118-71-8)?

3-Hydroxy-2-methyl-4H-pyran-4-one, with the CAS number 118-71-8, is a cyclic ester known as a pyranone. It has the chemical formula C5H8O3 and is commonly used in organic synthesis. This compound is characterized by its aromatic ring structure and hydroxyl group, making it a versatile intermediate in the development of pharmaceuticals and fine chemicals.

What are the main uses of 3-Hydroxy-2-methyl-4H-pyran-4-one (CAS: 118-71-8)?

3-Hydroxy-2-methyl-4H-pyran-4-one (CAS: 118-71-8) is widely used in pharmaceutical research for the synthesis of bioactive compounds. It also finds applications in the fragrance industry as a component in perfumes and flavoring agents. Additionally, it is used in the production of certain polymers and as a building block in organic chemistry for creating more complex molecules.

Is 3-Hydroxy-2-methyl-4H-pyran-4-one (CAS: 118-71-8) safe?

3-Hydroxy-2-methyl-4H-pyran-4-one (CAS: 118-71-8) is generally considered safe when handled properly. However, it should be treated with caution as it may cause skin and eye irritation. Safety standards recommend using personal protective equipment (PPE) such as gloves and goggles. Proper ventilation and handling in a well-ventilated area are also advised to minimize exposure risks.

How should 3-Hydroxy-2-methyl-4H-pyran-4-one (CAS: 118-71-8) be stored?

3-Hydroxy-2-methyl-4H-pyran-4-one (CAS: 118-71-8) should be stored in a cool, dry place away from direct light. It is best kept in airtight containers to prevent moisture absorption. Maintaining a storage temperature below 25°C and ensuring low humidity levels will help preserve its stability and prevent degradation.