3-Acetyl-2H-1-benzopyran-2-one
[CAS# 3949-36-8]

Identification

• Classification: Chemical reagent >> Organic reagent >> Bicyclic compound
• Name: 3-Acetyl-2H-1-benzopyran-2-one
• Synonyms: 3-Acetyl-2H-chromen-2-one; 3-Acetylbenzopyran-2-one; 3-Acetylcoumarin; NSC 31678
• Molecular Formula: C₁₁H₈O₃
• Molecular Weight: 188.18
• CAS Registry Number: 3949-36-8
• EC Number: 223-541-6

Properties

• Solubility: Slightly soluble (1.3 g/L) (25 ºC), Calc.^*
• Density: 1.285±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 278 ºC^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2017 ACD/Labs)

^** Trenknerowna, M.; Roczniki Chemii 1936, V16, P6-10(in German 10-11).