Basic

CAS No.	52671-72-4
Product Name	1,4,5,8-Naphthalenetetracarboxylic acid 1,8-monoanhydride
Synonyms	1H,3H-naphtho[1,8-cd]pyran-6,7-dicarboxylic acid, 1,3-dioxo-; 1,3-dioxo-1H,3H-benzo[de]isochromene-6,7-dicarboxylic acid
Molecular Formula	C14H6O7
Molecular Weight	286.1932

Physical property

Density	1.769g/cm3
Melting point	>300℃
Boiling point	692.8°C at 760 mmHg
Flash point	272.2°C
Refractive index	1.772

Hazard Symbols	Xi:Irritant; N:Dangerous for the environment;
Risk Codes	R36:; R50:;
Safety Description	S26:; S36/37:; S61:;