2-hydroxy-4-nitroaniline
5-Nitro-2-aminophenol
CAS: 121-88-0
Molecular Formula: C6H6N2O3
2-hydroxy-4-nitroaniline - Names and Identifiers
| Name | 5-Nitro-2-aminophenol |
| Synonyms | 5NAP rodol yba C.I. 76535 ursol yellow brown a 5-Nitro-2-aminophenol 2-Amino-5-nitrophenol 2-Amino-5-Nitro Phenol 2-hydroxy-4-nitroaniline |
| CAS | 121-88-0 |
| EINECS | 204-503-8 |
| InChI | InChI=1/C6H6N2O3/c7-5-2-1-4(8(10)11)3-6(5)9/h1-3,9H,7H2 |
2-hydroxy-4-nitroaniline - Physico-chemical Properties
| Molecular Formula | C6H6N2O3 |
| Molar Mass | 154.123 |
| Density | 1.511g/cm3 |
| Melting Point | 198-202℃ (dec.) |
| Boling Point | 364°C at 760 mmHg |
| Flash Point | 173.9°C |
| Water Solubility | insoluble |
| Vapor Presure | 8.29E-06mmHg at 25°C |
| Refractive Index | 1.688 |
| Physical and Chemical Properties | Yellow-brown needle-like crystals. Melting point 207-208 °c. Soluble in ethanol. |
| Use | For the manufacture of metal complex dyes and reactive Black |
2-hydroxy-4-nitroaniline - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R68 - Possible risk of irreversible effects |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
2-hydroxy-4-nitroaniline - Upstream Downstream Industry
| Raw Materials | 4-Nitroaniline |
2-hydroxy-4-nitroaniline - Introduction
5-Nitro-2-aminophenol, also known as 5-nitro-m-aminophenol, is an organic compound. The following is a description of its nature, use, formulation and safety information:
Nature:
-Appearance: 5-nitro-2-aminophenol is a light yellow crystal or powder.
-Solubility: It is almost insoluble in water, but can be dissolved in organic solvents such as alcohols and ethers.
-Melting point: Its melting point is approximately 167-172°C.
-Chemical properties: It is a weakly acidic substance that can react with alkali to generate salts. It may also undergo electrophilic substitution reactions, such as nitration reactions.
Use:
-5-Nitro-2-aminophenol is commonly used as a synthetic intermediate for dyes and dyes.
-It can also be used to manufacture organic compounds such as pesticides, drugs and rubber additives.
Method:
-5-nitro-2-aminophenol is usually prepared by the condensation reaction of m-nitrophenol with aminophenol. The specific preparation method may vary depending on the specific experimental conditions.
Safety Information:
-5-Nitro-2-aminophenol is an organic compound with certain toxicity and may cause harm to human body.
-Contact or inhalation of this compound may cause eye and skin irritation and may also be a respiratory irritant.
-Observe relevant safety procedures during operation and use appropriate personal protective equipment, such as gloves, goggles and protective clothing.
-In case of contact or inhalation, flush the affected area immediately with water and seek medical attention.
Nature:
-Appearance: 5-nitro-2-aminophenol is a light yellow crystal or powder.
-Solubility: It is almost insoluble in water, but can be dissolved in organic solvents such as alcohols and ethers.
-Melting point: Its melting point is approximately 167-172°C.
-Chemical properties: It is a weakly acidic substance that can react with alkali to generate salts. It may also undergo electrophilic substitution reactions, such as nitration reactions.
Use:
-5-Nitro-2-aminophenol is commonly used as a synthetic intermediate for dyes and dyes.
-It can also be used to manufacture organic compounds such as pesticides, drugs and rubber additives.
Method:
-5-nitro-2-aminophenol is usually prepared by the condensation reaction of m-nitrophenol with aminophenol. The specific preparation method may vary depending on the specific experimental conditions.
Safety Information:
-5-Nitro-2-aminophenol is an organic compound with certain toxicity and may cause harm to human body.
-Contact or inhalation of this compound may cause eye and skin irritation and may also be a respiratory irritant.
-Observe relevant safety procedures during operation and use appropriate personal protective equipment, such as gloves, goggles and protective clothing.
-In case of contact or inhalation, flush the affected area immediately with water and seek medical attention.
Last Update：2024-04-09 19:05:46
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CAS: 121-88-0
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Raw Materials for 2-hydroxy-4-nitroaniline