3-Hydroxy-2H-Chromen-2-One
[CAS# 5818-89-3]

Identification

• Name: 3-Hydroxy-2H-Chromen-2-One
• Synonyms: 2H-1-Benzopyran-2-one, 3-hydroxy- (9CI); 3-hydroxy-2-benzopyrone; 3-Hydroxy-2H-1-benzopyran-2-one
• Molecular Formula: C₉H₆O₃
• Molecular Weight: 162.14
• CAS Registry Number: 5818-89-3
• SMILES: C1=CC=C2C(=C1)C=C(C(=O)O2)O
• InChI: 1S/C9H6O3/c10-7-5-6-3-1-2-4-8(6)12-9(7)11/h1-5,10H
• InChIKey: MJKVTPMWOKAVMS-UHFFFAOYSA-N

Properties

• Density: 1.4±0.1g/cm³ (Cal.)
• Boiling point: 369.9±42.0°C at 760 mmHg (Cal.)
• Flash point: 174.7±20.7°C (Cal.)

Safety Data

• Safety Description: IRRITANT

References

• (1): Ranjan Das, Andrey S. Klymchenko, Guy Duportail and Yves Mély. Unusually slow proton transfer dynamics of a 3-hydroxychromone dye in protic solvents, Photochem. Photobiol. Sci., 2009, 8, 1583.