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63019-76-1

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Basic Information
CAS No.: 63019-76-1
Name: 1,1-dimethyl-3-{4-[(E)-phenyldiazenyl]phenyl}urea
Molecular Structure:
Molecular Structure of 63019-76-1 (1,1-dimethyl-3-{4-[(E)-phenyldiazenyl]phenyl}urea)
Formula: C15H16N4O
Molecular Weight: 268.35
Density: 1.12g/cm3
Boiling Point: 481.8°Cat760mmHg
Flash Point: 245.2°C
Safety: Questionable carcinogen with experimental neoplastigenic data. When heated to decomposition it emits toxic fumes of NOx.
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Chemistry

IUPAC Name: 1,1-dimethyl-3-(4-phenyldiazenylphenyl)urea
Empirical Formula: C15H16N4O
Molecular Weight: 268.3137g/mol
Index of Refraction: 1.59
Molar Refractivity: 80.17 cm3
Molar Volume: 237.5 cm3
Polarizability: 31.78×10-24cm3
Surface Tension: 42.8 dyne/cm
Density: 1.12 g/cm3
Flash Point: 245.2 °C
Enthalpy of Vaporization: 74.65 kJ/mol
Boiling Point: 481.8 °C at 760 mmHg
Vapour Pressure: 1.93E-09 mmHg at 25°C
Structure of p-N,N-Dimethylureidoazobenzene (CAS NO.63019-76-1):

Toxicity Data With Reference

1.    

scu-rat TDLo:2600 mg/kg/83D-I:NEO

     BJPCAL    British Journal of Pharmacology and Chemotherapy. 9 (1954),306.

Safety Profile

Questionable carcinogen with experimental neoplastigenic data. When heated to decomposition it emits toxic fumes of NOx.

Specification

  p-N,N-Dimethylureidoazobenzene , its cas register number is 63019-76-1. It also can be called Azobenzene, p-(N,N-dimethylureido)- ; Urea, N,N-dimethyl-N'-(p-(phenylazo)phenyl)- .When heated to decomposition it emits toxic fumes of NOx. And p-N,N-Dimethylureidoazobenzene (CAS NO.63019-76-1) is a kind of qestionable carcinogen.