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Cas Database |
| Name |
4-Nitroazobenzene |
EINECS | N/A |
| CAS No. | 2491-52-3 | Density | 1.23g/cm3 |
| PSA | 70.54000 | LogP | 4.53340 |
| Solubility | 636.2ug/L(25 oC) | Melting Point |
132-134 °C(lit.) |
| Formula | C12H9 N3 O2 | Boiling Point | 392.9°Cat760mmHg |
| Molecular Weight | 227.222 | Flash Point | 191.4°C |
| Transport Information | N/A | Appearance | N/A |
| Safety | Mutation data reported. When heated to decomposition it emits toxic fumes of NOx. See also NITRO COMPOUNDS of AROMATIC HYDROCARBONS. | Risk Codes | 20/21/22-36/37/38-40 |
| Molecular Structure |
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Hazard Symbols |
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| Synonyms |
Azobenzene,4-nitro- (6CI,7CI,8CI); Diazene, (4-nitrophenyl)phenyl- (9CI);4-Nitroazobenzene; NSC 16043; p-Nitroazobenzene |
Article Data | 32 |
4-Nitroazobenzene Chemical Properties
Product Name: 4-Nitroazobenzene
CAS Registry Number: 2491-52-3
Synonyms: (4-Nitrophenyl)phenyldiazene ; 4-Nitroazobenzene ; AI3-08892 ; EINECS 219-656-6 ; NSC 16043 ; p-Nitroazobenzene ; Azobenzene, 4-nitro- ; Diazene, (4-nitrophenyl)phenyl- (9CI)
IUPAC Name: (4-nitrophenyl)-phenyldiazene
Molecular Weight: 227.21876 [g/mol]
Molecular Formula: C12H9N3O2
XLogP3: 3.9
H-Bond Acceptor: 4
Surface Tension: 52 dyne/cm
Density: 1.23 g/cm3
Flash Point: 191.4 °C
Melting Point: 132-134 °C(lit.)
Enthalpy of Vaporization: 61.76 kJ/mol
Boiling Point: 392.9 °C at 760 mmHg
Vapour Pressure: 5.02E-06 mmHg at 25°C
Product Categories: N;Stains and Dyes;Stains&Dyes, A to
Following is the molecular structure of 4-Nitroazobenzene (CAS NO.2491-52-3) is:
4-Nitroazobenzene Toxicity Data With Reference
| 1. | mmo-sat 100 nmol/plate | GANNA2 Gann. Japanese Journal of Cancer Research. 68 (1977),373. |
4-Nitroazobenzene Safety Profile
Safty information about 4-Nitroazobenzene (CAS NO.2491-52-3) is:
Mutation data reported. When heated to decomposition it emits toxic fumes of NOx.
Hazard Codes:
Xn
Risk Statements:
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin.
R40:Limited evidence of a carcinogenic effect.
Safety Statements:
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S27:Take off immediately all contaminated clothing.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
RTECS: CN2710000
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