3,4,7,8-Tetramethyl-1,10-phenanthroline

The Molecular Structure of 1,10-Phenanthroline, 3,4,7,8-tetramethyl- (CAS NO.1660-93-1):

Empirical Formula: C₁₆H₁₆N₂
Molecular Weight: 236.3116 
IUPAC: 3,4,7,8-tetramethyl-1,10-phenanthroline 
Product Categories: Electronic Chemicals;Heterocyclic Building Blocks;N-Containing;Others
Appearance: light beige fine crystalline powder
Nominal Mass: 236 Da
Average Mass: 236.3116 Da
Monoisotopic Mass: 236.131349 Da 
Index of Refraction: 1.662
Molar Refractivity: 77.42 cm³
Molar Volume: 209.2 cm³
Surface Tension: 49.1 dyne/cm
Density: 1.129 g/cm³
Flash Point: 192.6 °C
Enthalpy of Vaporization: 66.48 kJ/mol
Boiling Point: 435.2 °C at 760 mmHg
Vapour Pressure: 2.27E-07 mmHg at 25°C 
Melting Point 278.5 °C 
log P (octanol-water): 4.480 (none) at 25°C 
Water Solubility: 1.51 mg/L at 25°C 
Atmospheric OH Rate Constant 2.10E-11 cm3/molecule-sec 25 EST
InChI
InChI=1/C16H16N2/c1-9-7-17-15-13(11(9)3)5-6-14-12(4)10(2)8-18-16(14)15/h5-8H,1-4H3
Smiles
n1c2c(c(c(C)c1)C)ccc1c(c(cnc21)C)C

Hazard Codes: Xn
Risk Statements: 36/37/38-20/21/22-40 
R36/37/38:Irritating to eyes, respiratory system and skin
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed
R40:Limited evidence of a carcinogenic effect
Safety Statements: 36/37/39-26-36-22 
S36/37/39:Wear suitable protective clothing, 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
S22:Do not breathe dust
WGK Germany: 3

 1,10-Phenanthroline, 3,4,7,8-tetramethyl- (CAS NO.1660-93-1) is also called as 3,4,7,8-Tetramethyl-1,10-phenanthroline ; 3,4,7,8-Tetramethyl-1,10-phenanthroline ; 3,4,7,8-Tetramethylphenanthroline ; EINECS 216-762-4 ; 3,4,7,8-Tetramethyl-1,10-phenanthroline .