P-Nitro phenol
4-Nitrophenol
CAS: 100-02-7
Molecular Formula: C6H5NO3
P-Nitro phenol - Names and Identifiers
| Name | 4-Nitrophenol |
| Synonyms | 4-Nitrophenol P-Nitrophenol P-Nitro phenol Para-Nitrophenol |
| CAS | 100-02-7 |
| EINECS | 202-811-7 |
| InChI | InChI=1/C6H5NO3/c8-6-3-1-5(2-4-6)7(9)10/h1-4,8H/p-1 |
P-Nitro phenol - Physico-chemical Properties
| Molecular Formula | C6H5NO3 |
| Molar Mass | 138.101 |
| Melting Point | 112-114℃ |
| Boling Point | 279°C at 760 mmHg |
| Flash Point | 141.9°C |
| Water Solubility | 1.6 g/100 mL (25℃) |
| Vapor Presure | 0.00243mmHg at 25°C |
| Physical and Chemical Properties | trait light yellow crystals. |
| Use | Used as dye intermediates, raw materials for pharmaceuticals and pesticides |
P-Nitro phenol - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R33 - Danger of cumulative effects |
| UN IDs | 1663 |
P-Nitro phenol - Upstream Downstream Industry
| Raw Materials | 1-Chloro-4-nitrobenzene Sulfuric acid Sodium hydroxide |
P-Nitro phenol - Nature
Open Data Verified Data
light yellow crystal, tasteless. Slightly soluble in water at room temperature (1.6%,250 deg C). Soluble in ethanol, chlorophenol, ether. Dissolved in caustic and alkali metal carbonate solution and yellow. Flammable, in case of open flame, high heat or contact with oxidant, there is a risk of combustion explosion. Thermal decomposition of the emission of toxic ammonia oxidation flue gas.
Last Update：2025-06-10 22:55:16
P-Nitro phenol - Preparation Method
Open Data Verified Data
from phenol by nitration into O-nitrophenol and p-nitrophenol, and then by steam distillation to separate O-nitrophenol obtained, can also be obtained from p-chloronitrobenzene by hydrolysis.
Last Update：2025-06-10 22:55:16
P-Nitro phenol - Application
Open Data Verified Data
used as a leather preservative. It is also a raw material for the manufacture of dyes, drugs and the like, and can also be used as a monochromatic pH indicator, with a color change range of 5.6 to 7.4, from colorless to yellow.
Last Update：2025-08-19 16:24:40
P-Nitro phenol - Safety
Open Data Verified Data
mouse, rat oral LD50:467mg/kg, 616mg/kg. Toxic! Has a strong stimulating effect on the skin. Can be absorbed through the skin and respiratory tract. Animal experiments can cause elevated body temperature, liver and kidney damage. It should be stored separately from oxidant, reducing agent, alkali and edible chemicals, and mixed storage should not be avoided.
Last Update：2022-01-01 09:30:42
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View History
Raw Materials for P-Nitro phenol