C85409

Coumalic acid

97%

• Synonym(s): 2-Oxo-2H-pyran-5-carboxylic acid, 2-Pyrone-5-carboxylic acid
• Empirical Formula (Hill Notation): C₆H₄O₄
• CAS Number: 500-05-0
• Molecular Weight: 140.09
• Beilstein/REAXYS Number: 119747
• EC Number: 207-899-0
• MDL number: MFCD00006644
• UNSPSC Code: 12352100
• PubChem Substance ID: 24893071
• NACRES: NA.22

Properties

• Quality Level: 100
• assay: 97%
• form: powder
• bp: 218 °C/120 mmHg (lit.)
• mp: 203-205 °C (dec.) (lit.)
• SMILES string: OC(=O)C1=COC(=O)C=C1
• InChI: 1S/C6H4O4/c7-5-2-1-4(3-10-5)6(8)9/h1-3H,(H,8,9)
• InChI key: ORGPJDKNYMVLFL-UHFFFAOYSA-N

Description

General description

Decarboxylates to α-pyrone, a Diels-Alder diene.

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type N95 (US)