2-Oxo-2H-pyran-5-carboxylic acid

Basic Information

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CAS Number

500-05-0

Molecular Formula

C6H4O4

Molecular Weight

140.09 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

203-205 °C (dec.)

Boiling Point

218°C/120mmHg

Water Solubility

Very soluble in water.

Flash Point

218°C/120mm

Solubility

N/A

Refractive Index

1.4434 (estimate)

SMILES

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OC(=O)c1ccc(=O)oc1

InChI

InChI=1S/C6H4O4/c7-5-2-1-4(3-10-5)6(8)9/h1-3H,(H,8,9)

InChIKey

ORGPJDKNYMVLFL-UHFFFAOYSA-N

LogP

0.338

Topological Polar Surface Area

67.50999999999999 Å²

Hydrogen Bond Donor/Acceptor

1 / 4

Complexity

236

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

Storage Conditions

2-8℃

Synonyms & References

English

Coumalic acid
2-oxo-2H-pyran-5-carboxylic acid
2-Pyrone-5-carboxylic acid
Coumalic acid, (2-Pyrone-5-carboxylic acid)
Cumalic Acid
6-oxopyran-3-carboxylic acid
Coumalicacidmonohydrate
2-Pyrone-5-carboxylic acid,2-Oxo-2H-pyran-5-carboxylic acid
α-Pyrone-5-carboxylic Acid
2H-Pyran-5-carboxylic acid, 2-oxo-
2-Oxopyran-5-carboxylic acid
alpha-Pyrone-5-carboxylic acid
.alpha.-Pyrone-5-carboxylic acid
OB1JPY343G
ORGPJDKNYMVLFL-UHFFFAOYSA-N
2-Oxo-1,2H-pyran-5-carboxylic acid
zlchem 364
5-Carboxy-2-pyrone
Coumalic acid, 97%
a-Pyrone-5-carboxylic acid
6-oxo-pyran-3-carboxylic acid
ZLC0208
2-Pentenedi
2-Oxo-2H-pyran-5-carboxylic acid
Glutaconic acid, 4-(hydroxymethylene)-, δ-lactone,2-Oxo-2H-pyran-5-carboxylic acid,2-Oxo-1(2H)-pyran...

MDL Number

MFCD00006644

FAQ

What is 2-Oxo-2H-pyran-5-carboxylic acid (CAS: 500-05-0)?

2-Oxo-2H-pyran-5-carboxylic acid (CAS: 500-05-0) is a chemical compound with a molecular formula of C6H4O5. It is a derivative of pyran and has a carboxylic acid functional group. This compound is commonly used as an intermediate in organic synthesis and research.

What are the main uses of 2-Oxo-2H-pyran-5-carboxylic acid (CAS: 500-05-0)?

2-Oxo-2H-pyran-5-carboxylic acid (CAS: 500-05-0) is primarily used as an intermediate in the synthesis of other organic compounds. It also finds applications in the pharmaceutical and research industries for developing new chemical entities.

Is 2-Oxo-2H-pyran-5-carboxylic acid (CAS: 500-05-0) safe?

2-Oxo-2H-pyran-5-carboxylic acid (CAS: 500-05-0) is generally considered safe for laboratory use when handled with appropriate precautions. It is not considered toxic, but it can cause eye and skin irritation if not handled properly. Protective eyewear and gloves should be worn when working with this compound. Storage in a well-ventilated area is recommended.

How should 2-Oxo-2H-pyran-5-carboxylic acid (CAS: 500-05-0) be stored?

2-Oxo-2H-pyran-5-carboxylic acid (CAS: 500-05-0) should be stored in a cool, dry place away from direct sunlight and heat sources. It is best kept in a tightly sealed container to protect against moisture. Storing it between 15-25°C is recommended to maintain its stability.