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6657-32-5

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Basic Information
CAS No.: 6657-32-5
Name: 3-[(2-hydroxyethyl)[4-[(4-nitrophenyl)azo]phenyl]amino]propiononitrile
Molecular Structure:
Molecular Structure of 6657-32-5 (3-[(2-hydroxyethyl)[4-[(4-nitrophenyl)azo]phenyl]amino]propiononitrile)
Formula: C17H17 N5 O3
Molecular Weight: 339.354
Synonyms: Propanenitrile,3-[(2-hydroxyethyl)[4-[(4-nitrophenyl)azo]phenyl]amino]- (9CI); Propionitrile,3-[N-(2-hydroxyethyl)-p-[(p-nitrophenyl)azo]anilino]- (6CI,7CI,8CI);4-[(2-Cyanoethyl)(2-hydroxyethyl)amino]-4'-nitroazobenzene
EINECS: 229-690-3
Density: 1.26g/cm3
Boiling Point: 609.6ºC at 760 mmHg
Flash Point: 322.5ºC
PSA: 117.80000
LogP: 4.24578
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Chemistry

Molecular Structure:

Molecular Formula: C17H17N5O3
Molecular Weight: 339.3486
IUPAC Name: 3-[N-(2-Hydroxyethyl)-4-[(4-nitrophenyl)diazenyl]anilino]propanenitrile
Synonyms of Disperse Orange A (CAS NO.6657-32-5): EINECS 229-690-3 ; 3-((2-Hydroxyethyl)(4-((4-nitrophenyl)azo)phenyl)amino)propiononitrile ; Propanenitrile, 3-((2-hydroxyethyl)(4-((4-nitrophenyl)azo)phenyl)amino)- ; Propanenitrile, 3-((2-hydroxyethyl)(4-(2-(4-nitrophenyl)diazenyl)phenyl)amino)-
CAS NO: 6657-32-5 
Index of Refraction: 1.618
Molar Refractivity: 94.28 cm3
Molar Volume: 268.8 cm3
Surface Tension: 55.2 dyne/cm
Density: 1.26 g/cm3
Flash Point: 322.5 °C
Enthalpy of Vaporization: 95.2 kJ/mol
Boiling Point: 609.6 °C at 760 mmHg
Vapour Pressure of Disperse Orange A (CAS NO.6657-32-5): 1.03E-15 mmHg at 25°C