IUPAC Name: 10H-Acridin-9-one
Molecular Formula: C₁₃H₉NO
Molecular Weight: 195.22 g/mol
SMILES: O=C1c3ccccc3Nc2ccccc12 Copy 
InChI: InChI=1/C13H9NO/c15-13-9-5-1-3-7-11(9)14-12-8-4-2-6-10(12)13/h1-8H,(H,14,15)
EINECS: 209-434-7
Classification Code: Mutation data
Product Categories: Heterocycles; Piperazine derivates 
Melting Point: >300 °C(lit.)
Index of Refraction: 1.642 
Molar Refractivity: 57.274 cm³ 
Molar Volume: 158.602 cm³ 
Surface Tension: 48.18 dyne/cm 
Density: 1.231 g/cm³ 
Flash Point: 155.049 °C 
Enthalpy of Vaporization: 60.01 kJ/mol 
Boiling Point: 355.004 °C at 760 mmHg 
Vapour Pressure of 9-Acridone (CAS NO.578-95-0): 0 mmHg at 25 °C

It is reported in EPA TSCA Inventory.

Hazard Codes: Xn
Risk Statements: 36/37/38-22-40 
R36/37/38:Irritating to eyes, respiratory system and skin. 
R22:Harmful if swallowed. 
R40:Limited evidence of a carcinogenic effect.
Safety Statements: 22-24/25-37/39-26-36 
S22:Do not breathe dust. 
S24/25:Avoid contact with skin and eyes. 
S37/39:Wear suitable gloves and eye/face protection. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing.
WGK Germany: 3
RTECS of 9-Acridone (CAS NO.578-95-0): AR6976000

  9-Acridone (CAS NO.578-95-0), its Synonyms are Acridone ; Acridanone ; Acridin-9-one ; Acridine, 9,10-dihydro-9-oxo- ; 7H-Dibenz(a,j)acrid-14-one ; 9(10H)-Acridinone . It is yellow crystalline powder.