4-硝基-1-萘酚 - Names and Identifiers
4-硝基-1-萘酚 - Physico-chemical Properties
Molecular Formula | C10H7NO3
|
Molar Mass | 189.17 |
Density | 1.413±0.06 g/cm3(Predicted) |
Melting Point | 165-168°C |
Boling Point | 398.8±25.0 °C(Predicted) |
Flash Point | 179.8°C |
Vapor Presure | 6.25E-07mmHg at 25°C |
Appearance | powder to crystal |
Color | Light yellow to Brown |
BRN | 1959672 |
pKa | 6.22±0.40(Predicted) |
Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
Sensitive | Sensitive to air |
Refractive Index | 1.714 |
MDL | MFCD02179392 |
4-硝基-1-萘酚 - Risk and Safety
Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin.
R41 - Risk of serious damage to eyes
|
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.
|
UN IDs | 2811 |
HS Code | 29042090 |
Hazard Class | IRRITANT |
4-硝基-1-萘酚 - Introduction
4-Nitro-1-Naphthol(4-Nitro-1-Naphthol) is an organic compound with the chemical formula C10H7NO3. It is a yellow crystalline powder with a strong alkali-like and bitter taste, insoluble in water but soluble in organic solvents such as alcohols, ethers and ketones.
4-Nitro-1-Naphthol is mainly used as a chemical reagent and has a wide range of applications in the dye industry and organic synthesis. It is an important intermediate for the synthesis of dyes and can be used for the preparation of phenolphthalein dyes, phthalocyanine dyes and naphthylamine dyes. In addition, it can also be used as an indicator, a color developer and a photosensitive compound.
There are various methods for preparing 4-Nitro-1-Naphthol, and common methods include nitration and oxidation. The nitration method is the reaction of 1-naphthol with nitric acid to produce 4-Nitro-1-Naphthol. Oxidation law is 1-naphthol with oxygen or oxidant such as hydrogen peroxide reaction, so that the oxidation reaction to generate the target product.
Regarding safety information, 4-Nitro-1-Naphthol is toxic, irritating and carcinogenic. Appropriate personal protective equipment should be worn during operation to avoid contact with skin and eyes, and care should be taken to protect the respiratory tract. If ingested or inhaled, seek medical attention immediately. During storage and handling, care should be taken to prevent contact with combustibles and avoid fire sources. Try to operate in a well-ventilated area and manage waste properly.
Last Update:2024-04-10 22:29:15