N-乙基-2-硝基苯胺 - Names and Identifiers
N-乙基-2-硝基苯胺 - Physico-chemical Properties
Molecular Formula | C8H10N2O2
|
Molar Mass | 166.18 |
Density | 1.19g/mLat 25°C(lit.) |
Melting Point | 92.9°C (estimate) |
Boling Point | 168°C20mm Hg(lit.) |
Flash Point | >230°F |
Vapor Presure | 0.00202mmHg at 25°C |
Appearance | Liquid |
Color | Colorless to dark orange |
pKa | 0.95±0.20(Predicted) |
Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
Refractive Index | n20/D 1.645(lit.) |
N-乙基-2-硝基苯胺 - Risk and Safety
Hazard Symbols | Xn - Harmful
|
Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed.
R36/37/38 - Irritating to eyes, respiratory system and skin.
|
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S37/39 - Wear suitable gloves and eye/face protection
|
WGK Germany | 3 |
Hazard Class | IRRITANT |
N-乙基-2-硝基苯胺 - Introduction
N-ethyl-2-nitroaniline is an organic compound with the chemical formula C8H10N2O2. The following is a detailed description of the properties, uses, preparation methods and safety information of N-ethyl-2-nitroaniline:
Nature:
1. Appearance: N-ethyl-2-nitroaniline is a colorless to pale yellow crystal or crystalline powder.
2. Solubility: It can be dissolved in organic solvents such as ethanol, acetone and benzene, but its solubility in water is low.
3. Stability: It is relatively stable at room temperature, but it will decompose when heated, and there is a danger of explosion.
Use:
1. chemical reagents: N-ethyl -2-nitroaniline can be used as raw materials or reagents in organic synthesis.
2. dye intermediates: it can be used for the synthesis of dyes, pigments and fluorescent dyes.
3. explosive composition: due to its explosive properties, N-ethyl-2-nitroaniline is sometimes used as a component of gunpowder and explosives.
Preparation Method:
A common method for preparing N-ethyl-2-nitroaniline is synthesis through a nitration reaction. The specific operation is to react aniline with concentrated nitric acid and concentrated sulfuric acid to obtain the final product.
Safety Information:
1. N-ethyl -2-nitroaniline is an explosive compound, and should avoid contact with open flame, heat source and collision and other conditions that may cause fire or explosion.
2. Wear appropriate personal protective equipment during operation, such as acid and alkali resistant gloves, protective glasses and protective clothing.
3. avoid inhaling its dust or vapor, avoid contact with skin and eyes.
4. Use it under safe and ventilated conditions and store it in a closed container, away from fire sources and flammable materials.
5. When handling or disposing, the relevant regulations and safety operation guidelines should be followed.
Please note that N-ethyl-2-nitroaniline is a dangerous product and should be used under professional guidance and in strict accordance with relevant safety operating procedures.
Last Update:2024-04-10 22:29:15