5504-65-4
5-苯基-1H-吡唑-4-羧酸
CAS: 5504-65-4
Molecular Formula: C10H8N2O2
5504-65-4 - Names and Identifiers
| Name | 5-苯基-1H-吡唑-4-羧酸 |
| Synonyms | Albb-004696 AKOS PAO-0304 RARECHEM AL BE 0428 IFLAB-BB F2124-0637 CHEMBRDG-BB 4004729 3-PHENYLPYRAZOLE-4-CARBOXYLIC ACID 3-PHENYL-1H-PYRAZOLE-4-CARBOXYLIC ACID |
| CAS | 5504-65-4 |
5504-65-4 - Physico-chemical Properties
| Molecular Formula | C10H8N2O2 |
| Molar Mass | 188.18 |
| Density | 1.355±0.06 g/cm3(Predicted) |
| Melting Point | 278°C (dec.)(lit.) |
| Boling Point | 430.0±25.0 °C(Predicted) |
| pKa | 3.07±0.10(Predicted) |
| Storage Condition | 2-8°C |
5504-65-4 - Risk and Safety
| Risk Codes | 22 - Harmful if swallowed |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| Hazard Class | IRRITANT |
5504-65-4 - Introduction
5-Phenyl-1H-pyrazole-4-carboxylic acid, also known as phenylpyrazole-4-carboxylic acid, is an organic compound. Its chemical formula is C11H8N2O2 and its molecular weight is 196.19g/mol. The compound is a white or off-white crystalline solid.
5-Phenyl -1H-pyrazole-4-carboxylic acid has a wide range of applications in the field of organic synthesis. It can be used as a pharmaceutical and pesticide intermediate for the synthesis of compounds with pharmaceutical activity. In addition, it can also be used to prepare dyes, photosensitive materials, organic light-emitting diodes (OLEDs), etc.
A common method of preparing 5-phenyl-1H-pyrazole-4-carboxylic acid is by reacting pyrazole with p-chlorobenzoic acid (or p-toluenesulfonic acid). This reaction is generally carried out in ethanol with the addition of sodium carbonate as a catalyst.
Regarding safety information, 5-phenyl-1H-pyrazole-4-carboxylic acid is generally relatively safe under routine handling. However, care should be taken to avoid contact with skin and eyes, and personal protective equipment should be used if necessary. In addition, the compound should be stored in a cool, dry place, away from heat and fire. In case of any safety problems or emergencies, professionals should be called on immediately.
5-Phenyl -1H-pyrazole-4-carboxylic acid has a wide range of applications in the field of organic synthesis. It can be used as a pharmaceutical and pesticide intermediate for the synthesis of compounds with pharmaceutical activity. In addition, it can also be used to prepare dyes, photosensitive materials, organic light-emitting diodes (OLEDs), etc.
A common method of preparing 5-phenyl-1H-pyrazole-4-carboxylic acid is by reacting pyrazole with p-chlorobenzoic acid (or p-toluenesulfonic acid). This reaction is generally carried out in ethanol with the addition of sodium carbonate as a catalyst.
Regarding safety information, 5-phenyl-1H-pyrazole-4-carboxylic acid is generally relatively safe under routine handling. However, care should be taken to avoid contact with skin and eyes, and personal protective equipment should be used if necessary. In addition, the compound should be stored in a cool, dry place, away from heat and fire. In case of any safety problems or emergencies, professionals should be called on immediately.
Last Update：2024-04-09 20:52:54
