1H-PYRAZOLE-4-CARBALDEHYDE - Names and Identifiers
1H-PYRAZOLE-4-CARBALDEHYDE - Physico-chemical Properties
Molecular Formula | C4H4N2O
|
Molar Mass | 96.09 |
Density | 1.322±0.06 g/cm3(Predicted) |
Melting Point | 82-83 °C(Solv: cyclohexane (110-82-7)) |
Boling Point | 300.0±13.0 °C(Predicted) |
Flash Point | 139.7°C |
Solubility | Chloroform (Slightly, Heated), Methanol (Slightly) |
Vapor Presure | 0.00115mmHg at 25°C |
Appearance | Solid |
Color | Off-White to Pale Yellow |
pKa | 11.65±0.50(Predicted) |
Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
Refractive Index | 1.62 |
1H-PYRAZOLE-4-CARBALDEHYDE - Risk and Safety
Hazard Symbols | Xi - Irritant
|
Hazard Class | IRRITANT |
1H-PYRAZOLE-4-CARBALDEHYDE - Introduction
It is an organic compound with the chemical formula C4H4N2O. The following is a description of its nature, use, formulation and safety information:
Nature:
It is a colorless to light yellow liquid with a special aromatic odor. It has strong reducibility and electrophilicity. It has a melting point of -14°C and a boiling point of 134-136°C. It is soluble in water and most organic solvents.
Use:
It has a wide range of applications in organic synthesis. It can be used as an intermediate in the preparation of various organic compounds. Some of these compounds have pharmaceutical activity, such as anti-cancer drugs and anti-inflammatory drugs. In addition, it is also used as a raw material for dyes and fungicides.
Preparation Method:
There are many kinds of preparation methods, one of which is commonly used is obtained by the reaction of pyrazole and formaldehyde. First, at a high temperature of 150-200°C, the pyrazole and formaldehyde are heated to react to form a metal.
Safety Information:
It has a certain risk. It is a flammable liquid and can release toxic fumes in the event of a fire. It is irritating to the eyes and skin and may cause allergic reactions. Wear appropriate protective equipment during operation to avoid direct contact. In addition, it should avoid contact with strong oxidants and strong acids to avoid dangerous reactions. If exposed or ingested, seek medical attention immediately.
Last Update:2024-04-09 21:01:54