Basic

CAS No.	2669-94-5
Product Name	3,4-dihydro-6-hydroxy-2H-1-benzopyran-2-one
Synonyms	2H-1-Benzopyran-2-one, 3,4-dihydro-6-hydroxy-; 2,5-Dihydroxyhydrocinnamic acid lactone; 3,4-Dihydro-6-hydroxy-2H-1-benzopyran-2-one; 3,4-Dihydro-6-hydroxycoumarin; 6-Hydroxy-3,4-dihydrocoumarin; Hydrocoumarin, 6-hydroxy-; NSC 169992; 6-hydroxy-3,4-dihydro-2H-chromen-2-one
Molecular Formula	C9H8O3
Molecular Weight	164.158

Physical property

Density	1.343g/cm3
Boiling point	356.5°C at 760 mmHg
Flash point	166.2°C
Refractive index	1.604