9H-Xanthene-4-aceticacid, 5,6-dimethyl-9-oxo-

The Molecular Structure of  5,6-Dimethylxantheonone-4-acetic acid (CAS NO.117570-53-3) is

Cas Register Number: 117570-53-3
IUPAC Name:  2-(5,6-Dimethyl-9-oxoxanthen-4-yl)acetic acid
Synonyms:  5,6-Dimethyl xanthenone acetic acid ; 5,6-Dimethyl-9-oxo-9H-xanthene-4-acetic acid ; 5,6-Dimethylxanthenone-4-acetic acid ; 5,6-MeXAA ; Dimethyloxoxanthene acetic acid ; Vadimezan ; 9H-Xanthene-4-acetic acid, 5,6-dimethyl-9-oxo- ; 5,6-Dimethylxanthenoneacetic acid
Molecular Formula: C₁₇H₁₄O₄
Molecular Weight: 282.290660 g/mol 
Classification Code: Antineoplastic Agents 
H bond acceptors: 4
H bond donors: 1
#Freely Rotating Bonds: 2
Polar Surface Area: 52.6 Å²
Index of Refraction: 1.633
Molar Refractivity: 76.29 cm³
Molar Volume: 213.6 cm³
Surface Tension: 57 dyne/cm
Density: 1.321 g/cm³
Flash Point: 197.1 °C
Enthalpy of Vaporization: 83.59 kJ/mol
Boiling Point: 520.9 °C at 760 mmHg
Vapour Pressure of  5,6-Dimethylxantheonone-4-acetic acid (CAS NO.117570-53-3): 1.12E-11 mmHg at 25°C

 Hazard Codes: Xn,N
Risk Statements: 22-50/53 
R22:Harmful if swallowed. 
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements: 60-61 
S60:This material and its container must be disposed of as hazardous waste. 
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
RIDADR: UN 3077 9/PG 3
WGK Germany: 3
RTECS: ZD5536200