5-Amino-2,4-dihydro-2-phenyl-3H-pyrazol-3-one
3-Amino-1-phenyl-2-pyrazolin-5-one
CAS: 4149-06-8
Molecular Formula: C9H9N3O
5-Amino-2,4-dihydro-2-phenyl-3H-pyrazol-3-one - Names and Identifiers
5-Amino-2,4-dihydro-2-phenyl-3H-pyrazol-3-one - Physico-chemical Properties
| Molecular Formula | C9H9N3O |
| Molar Mass | 175.19 |
| Density | 1.2065 (rough estimate) |
| Melting Point | 210-215°C (dec.)(lit.) |
| Boling Point | 306.48°C (rough estimate) |
| Appearance | powder to crystal |
| Color | White to Brown to Dark purple |
| BRN | 153681 |
| pKa | 3.38±0.50(Predicted) |
| Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
| Refractive Index | 1.6500 (estimate) |
| MDL | MFCD00003137 |
5-Amino-2,4-dihydro-2-phenyl-3H-pyrazol-3-one - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| 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 S36 - Wear suitable protective clothing. |
| WGK Germany | 3 |
| RTECS | UR0393500 |
5-Amino-2,4-dihydro-2-phenyl-3H-pyrazol-3-one - Introduction
It is an organic compound. The following is a brief description of its nature, use, preparation and safety information:
Nature:
-Appearance: White or light yellow crystalline powder.
-Solubility: It is soluble in ketones and anhydrous alcohol, slightly soluble in ammonium chloride solution, almost insoluble in water.
Use:
-It can be used as a synthetic intermediate for organic dyes and has good dyeing properties.
-It can also be used as an intermediate synthesis in the pharmaceutical industry, such as the synthesis of pyrazoline compounds.
Preparation Method:
There are many ways to prepare calcium, among which the more commonly used method is to react benzamide and acetylacetone under alkaline conditions to generate the target product.
Safety Information:
-There are no clear reports of toxicity or safety risks.
-General laboratory safety practices such as wearing appropriate protective equipment (e. g. gloves, goggles, and lab coats) should be followed when handling the compound.
Nature:
-Appearance: White or light yellow crystalline powder.
-Solubility: It is soluble in ketones and anhydrous alcohol, slightly soluble in ammonium chloride solution, almost insoluble in water.
Use:
-It can be used as a synthetic intermediate for organic dyes and has good dyeing properties.
-It can also be used as an intermediate synthesis in the pharmaceutical industry, such as the synthesis of pyrazoline compounds.
Preparation Method:
There are many ways to prepare calcium, among which the more commonly used method is to react benzamide and acetylacetone under alkaline conditions to generate the target product.
Safety Information:
-There are no clear reports of toxicity or safety risks.
-General laboratory safety practices such as wearing appropriate protective equipment (e. g. gloves, goggles, and lab coats) should be followed when handling the compound.
Last Update：2024-04-09 02:00:45
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