Nitrosobenzene
Synonym(s):NOB
- CAS NO.：586-96-9
- Empirical Formula: C6H5NO
- Molecular Weight: 107.11
- MDL number: MFCD00002059
- EINECS: 209-591-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-06-04 16:00:12
What is Nitrosobenzene?
Chemical properties
light yellow solid
The Uses of Nitrosobenzene
Spin trap reagent. Has been used in the study of oxidative DNA damage and nitroso-compound-induced respiratory burst in neutrophils3,4.
The Uses of Nitrosobenzene
Spin trap. Undergoes various addition, reduction, and oxidation reactions.
Definition
ChEBI: A nitroso compound that is the nitroso derivative of benzene; a diamagnetic hybrid of singlet O2 and azobenzene.
Purification Methods
Steam distil nitrosobenzene, then crystallise it from a small volume of EtOH with cooling below 0o, dry it over CaCl2 in a dessicator at atmospheric pressure, and store it under N2 at 0o. Alternatively it can be distilled onto a cold finger cooled with brine at ~-10o in a vacuum at 17mm (water pump), while heating in a water bath at 65-70o [Robertson & Vaughan J Chem Educ 27 605 1950]. [Beilstein 5 IV 702.]
Properties of Nitrosobenzene
| Melting point: | 65-69 °C (lit.) |
| Boiling point: | 59 °C/18 mmHg (lit.) |
| Density | 1.1697 (rough estimate) |
| refractive index | 1.5389 (estimate) |
| storage temp. | 2-8°C |
| solubility | Chloroform (Sparingly), Methanol (Slightly) |
| form | Solid |
| color | White to Brown |
| BRN | 605688 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| CAS DataBase Reference | 586-96-9 |
| NIST Chemistry Reference | Benzene, nitroso-(586-96-9) |
| EPA Substance Registry System | Nitrosobenzene (586-96-9) |
Safety information for Nitrosobenzene
| Signal word | Danger |
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H301:Acute toxicity,oral |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. |
Computed Descriptors for Nitrosobenzene
| InChIKey | NLRKCXQQSUWLCH-UHFFFAOYSA-N |
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