3-AMINO-5-PHENYLPYRAZOLE - Names and Identifiers
3-AMINO-5-PHENYLPYRAZOLE - Physico-chemical Properties
Molecular Formula | C9H9N3
|
Molar Mass | 159.19 |
Density | 1.238±0.06 g/cm3(Predicted) |
Melting Point | 124-127 °C (lit.) |
Boling Point | 442.3±33.0 °C(Predicted) |
Flash Point | 251.5°C |
Solubility | DMSO, Methanol |
Vapor Presure | 5.1E-08mmHg at 25°C |
Appearance | Brown solid |
Color | Red to brown |
BRN | 4947 |
pKa | 14.80±0.10(Predicted) |
Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
Refractive Index | 1.662 |
MDL | MFCD00191749 |
3-AMINO-5-PHENYLPYRAZOLE - Risk and Safety
Hazard Symbols | Xi - Irritant
|
Risk Codes | 36/37/38 - 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.
S36 - Wear suitable protective clothing.
S37/39 - Wear suitable gloves and eye/face protection
|
WGK Germany | 3 |
RTECS | UQ6109000 |
HS Code | 29331990 |
Hazard Note | Irritant |
3-AMINO-5-PHENYLPYRAZOLE - Introduction
3-amino-5-phenylpyrazole is an organic compound with the chemical formula C11H9N3. The following is a description of its nature, use, preparation and safety information:
Nature:
- 3-amino-5-phenylpyrazole is a white solid, soluble in organic solvents such as ethanol and dichloromethane, and slightly soluble in water.
-It has an oxalate crystal structure and can be structurally characterized by Crystal Chemistry, optics, Electrochemistry and other methods.
-In the chemical reaction, 3-amino-5-phenylpyrazole is a weak base that can react with acid to form the corresponding salt.
-It is relatively stable in the air, but may react with oxygen.
Use:
- 3-amino-5-phenylpyrazole can be used as an important intermediate in organic synthesis. It can be used to synthesize biologically active compounds, such as drugs, pesticides and dyes.
-The compound has UV resistance in some polymers and coatings.
-It can also be used as a reducing agent or electron transfer agent in the electrochemical field.
Method:
The preparation method of-3-amino-5-phenylpyrazole is mainly completed by introducing amino and pyrazole groups on the benzene ring. Commonly used synthetic methods include the condensation reaction of aromatic amines with diketones, the coupling reaction of pyrazole with aniline, etc.
Safety Information:
- 3-amino-5-phenylpyrazole is not currently classified as a particularly dangerous chemical, but it is still necessary to pay attention to safe operation.
-In use, to avoid inhalation of dust or contact with skin and eyes.
-If exposed or inhaled, rinse immediately with water and seek medical attention if necessary.
-During storage, it should be sealed to avoid contact with harmful substances such as oxygen, acid, and oxidants to prevent the possibility of fire and explosion.
Last Update:2024-04-09 02:00:42