-
Name
Triphenylformazan
- EINECS 208-509-1
- CAS No. 531-52-2
- Article Data44
- CAS DataBase
- Density 1.1 g/cm3
- 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
- PSA 49.11000
- LogP 5.31720
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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