Basic

CAS No.	1043-21-6
Product Name	pirenoxine
Synonyms	1043-21-6; 1-Hydroxy-5H-pyrido-[3,2-a]phenoxazin-5-one-3-carboxylic Acid; 1-Hydroxy-5-oxo-5H-pyrido[3,2-a]phenoxazine-3-carboxylic acid; 257-181-6; Pirfenoxone; 1,5-dioxo-1,5-dihydro-4H-pyrido[3,2-a]phenoxazine-3-carboxylic acid
Molecular Formula	C16H8N2O5
Molecular Weight	308.2451

Physical property

Density	1.7g/cm3
Melting point	247-248℃
Boiling point	515.8°C at 760 mmHg
Flash point	265.7°C
Refractive index	1.793