Molecular Structure:

Molecular Formula: C₁₃H₁₃N
Molecular Weight: 183.249
IUPAC Name: N-Methyl-N-phenylaniline
Synonyms of N-Methyldiphenylamine (CAS NO.552-82-9): AI3-02479 ; Diphenylmethylamine ; EINECS 209-023-2 ; Methyldiphenylamine ; N,N-Diphenylmethylamine ; N-Methyl-N-phenylaniline ; NSC 3790 ; Benzenamine, N-methyl-N-phenyl- ; Diphenylamine, N-methyl- (8CI)
CAS NO: 552-82-9
Product Categories: Intermediates of Dyes and Pigments ; Amines ; C11 to C38 ; Nitrogen Compounds
Melting point: -7.6 °C 
Index of Refraction: 1.61
Molar Refractivity: 60.33 cm³
Molar Volume: 174 cm³
Surface Tension: 42.2 dyne/cm
Density: 1.053 g/cm³
Flash Point: 116.6 °C
Enthalpy of Vaporization: 53.63 kJ/mol
Boiling Point: 296.5 °C at 760 mmHg
Vapour Pressure of N-Methyldiphenylamine (CAS NO.552-82-9): 0.00143 mmHg at 25°C

Hazard Codes of N-Methyldiphenylamine (CAS NO.552-82-9): Xi
Risk Statements: 36/37/38 
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36-37/39 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
WGK Germany: 3