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Cas Database |
| Name |
Triphenylformazan |
EINECS | 208-509-1 |
| CAS No. | 531-52-2 | Density | 1.1 g/cm3 |
| PSA | 49.11000 | LogP | 5.31720 |
| Solubility | dioxane: 50 mg/mL, clear | Melting Point |
169-170 °C |
| Formula | C19H16 N4 | Boiling Point | 443.2 °C at 760 mmHg |
| Molecular Weight | 300.363 | Flash Point | 221.8 °C |
| Transport Information | UN 3077 9/PG 3 | Appearance | Very dark brown. |
| Safety | 60-61-24/25-22 | Risk Codes | 22-50/53 |
| Molecular Structure |
|
Hazard Symbols |
 Xn N
|
| Synonyms |
Diazene,phenyl[phenyl(phenylhydrazono)methyl]- (9CI); Formazan, 1,3,5-triphenyl- (8CI);Toluene, a-(phenylazo)-a-(phenylhydrazono)- (7CI);1,3,5-Triphenylformazan; NSC 2931; NSC 56467 |
Article Data | 44 |
Triphenylformazan Chemical Properties
Molecular Structure:
Molecular Formula: C19H16N4
Molecular Weight: 300.3571
IUPAC Name: N'-Anilino-N-phenyliminobenzenecarboximidamide
Synonyms of Methanone,phenyl(2-phenyldiazenyl)-, 2-phenylhydrazone (CAS NO.531-52-2): Benzaldehyde, alpha-(phenylazo)-, phenylhydrazone ; Diazene, benzoylphenyl-, phenylhydrazone ; Diimide, benzoylphenyl-, phenylhydrazone ; EINECS 208-509-1 ; Formazan, C,N,N'-triphenyl- ; NSC 2931 ; Toluene, alpha-(phenylazo)-alpha-(phenylhydrazono)- ; 1,3,5-Triphenylformazan ; Diazene, phenyl(phenyl(phenylhydrazono)methyl)- ; Formazan, 1,3,5-triphenyl- (8CI)(9CI)
CAS NO: 531-52-2
Classification Code: Formazans ; Tetrazolium Salts & Formazans
Index of Refraction: 1.613
Molar Refractivity: 94.68 cm3
Molar Volume: 271.7 cm3
Surface Tension: 44.6 dyne/cm
Density: 1.1 g/cm3
Flash Point: 221.8 °C
Enthalpy of Vaporization: 70.08 kJ/mol
Boiling Point: 443.2 °C at 760 mmHg
Vapour Pressure: 4.73E-08 mmHg at 25°C
Triphenylformazan Uses
Methanone,phenyl(2-phenyldiazenyl)-, 2-phenylhydrazone (CAS NO.531-52-2) is used in the pesticide residue weighing out analyzing.
Triphenylformazan Safety Profile
Hazard Codes of Methanone,phenyl(2-phenyldiazenyl)-, 2-phenylhydrazone (CAS NO.531-52-2): 
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: 60-61-24/25-22
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.
S24/25: Avoid contact with skin and eyes.
S22: Do not breathe dust.
RIDADR: UN 3077 9/PG 3
WGK Germany: 3
F: 8-10-23
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