4-Nitrophenol [100-02-7] is applied in various analytical and synthetic procedures. It has a molecular formula of C6H5NO3 and a molecular weight of 139.11. This compound sublimates at a temperature range of 112.8 to 115.0 °C. Its Boiling Point is 278.9 °C, where it decomposes. The hazard signal word for this substance is Danger due to its toxicity. It may cause skin irritation and is harmful to aquatic life.

• CAS Number: 100-02-7
• Molecular Formula: C6H5NO3
• Melting Point: 112.8 to 115.0 °C (Sublimes)
• Boiling Point: 278.9 °C — decomposes
• Molecular Weight: 139.11
• Exact Mass: 139.026943022
• GHS Signal Word: Danger
• Vapour Density: 1.244 at 149 °F
• Hazard Statements:
• H301: Toxic if swallowed [Danger Acute toxicity, oral]
• H315: Causes skin irritation [Warning Skin corrosion/irritation]
• H401: Toxic to aquatic life [Hazardous to the aquatic environment, acute hazard]