5-Amino-2,4-dihydro-3H-pyrazol-3-one
3-Amino-5-hydroxypyrazole
CAS: 6126-22-3
Molecular Formula: C3H5N3O
5-Amino-2,4-dihydro-3H-pyrazol-3-one - Names and Identifiers
| Name | 3-Amino-5-hydroxypyrazole |
| Synonyms | NSC 34806 5-AMINO-3-PYRAZOLOL 5-AMINOPYRAZOL-3-OL 5-AMINO-3-PYRAZOLONE LABOTEST-BB LT00080762 5-AMINO-3-HYDROXYPYRAZOLE 3-amino-2-pyrazolin-5-one 3-Amino-5-hydroxypyrazole 5-HYDROXY-3-AMINOPYRAZOLE 5-AMINO-2,4-DIHYDRO-3H-PYRAZOL-3-ONE 5-Amino-2,4-dihydro-3H-pyrazol-3-one |
| CAS | 6126-22-3 |
| EINECS | 228-095-6 |
| InChI | InChI=1/C3H5N3O/c4-2-1-3(7)6-5-2/h1H2,(H2,4,5)(H,6,7) |
| InChIKey | QZBGOTVBHYKUDS-UHFFFAOYSA-N |
5-Amino-2,4-dihydro-3H-pyrazol-3-one - Physico-chemical Properties
| Molecular Formula | C3H5N3O |
| Molar Mass | 99.09 |
| Density | 1.3131 (rough estimate) |
| Melting Point | 214 °C (dec.) (lit.) |
| Boling Point | 185.55°C (rough estimate) |
| Solubility | DMSO (Slightly, Heated), Methanol (Slightly, Heated) |
| Appearance | Solid |
| Color | Yellow-beige to beige-brown |
| BRN | 507793 |
| pKa | 12.37±0.40(Predicted) |
| Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
| Refractive Index | 1.4500 (estimate) |
| MDL | MFCD00022384 |
| Use | Usually used in the synthesis of 2,6-difluoro-N-(3-methoxy-1H-pyrazolo[3,4-b]pyridine-5-yl)-3-(propylsulfonamidio)benzamide and heteroaromatic 3-hydroxy-5,6-diphenylpyrazolo[3,4-b]pyridines. |
5-Amino-2,4-dihydro-3H-pyrazol-3-one - 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. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| HS Code | 29331990 |
5-Amino-2,4-dihydro-3H-pyrazol-3-one - Introduction
It is an organic compound. Its chemical formula is C3H5N3O and its molecular weight is 99.09g/mol. The following is a description of the properties, uses, preparation and safety information of this compound:
Nature:
-Appearance: Colorless crystalline solid.
-Solubility: It is soluble in water, but also soluble in some organic solvents.
-Melting point: Its melting point is 120-122°C.
-Stability: relatively stable at room temperature.
Use:
-Chemical reagent: can be used as a reagent in organic synthesis for the synthesis of other organic compounds.
-Complex: It can form stable complexes with metal ions. These complexes have application value in catalytic reactions and metal ion detection.
Preparation Method:
There are many methods of synthesis, and the following is one of the commonly used methods:
3-amino-5-pyrazolone can be obtained by reacting 5-cyanopyrazole with aqueous ammonia. The 3-amino-5-pyrazolone is then reacted with acetic acid to produce the imine. Finally, it is generated by hydrolysis of imine.
Safety Information:
There is little data on the specific toxicity and hazards of Ware. However, like most organic compounds, appropriate personal protective measures should be followed when handling and using, such as wearing gloves and goggles, and ensuring that you operate in a well-ventilated area. When reacting or handling, it is recommended to follow the operating procedures and safety measures in the laboratory. It is best to read the relevant safety data forms provided by the supplier carefully before use to ensure correct operation and disposal.
Nature:
-Appearance: Colorless crystalline solid.
-Solubility: It is soluble in water, but also soluble in some organic solvents.
-Melting point: Its melting point is 120-122°C.
-Stability: relatively stable at room temperature.
Use:
-Chemical reagent: can be used as a reagent in organic synthesis for the synthesis of other organic compounds.
-Complex: It can form stable complexes with metal ions. These complexes have application value in catalytic reactions and metal ion detection.
Preparation Method:
There are many methods of synthesis, and the following is one of the commonly used methods:
3-amino-5-pyrazolone can be obtained by reacting 5-cyanopyrazole with aqueous ammonia. The 3-amino-5-pyrazolone is then reacted with acetic acid to produce the imine. Finally, it is generated by hydrolysis of imine.
Safety Information:
There is little data on the specific toxicity and hazards of Ware. However, like most organic compounds, appropriate personal protective measures should be followed when handling and using, such as wearing gloves and goggles, and ensuring that you operate in a well-ventilated area. When reacting or handling, it is recommended to follow the operating procedures and safety measures in the laboratory. It is best to read the relevant safety data forms provided by the supplier carefully before use to ensure correct operation and disposal.
Last Update：2024-04-10 22:29:15
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Product Name: 3-Amino-5-hydroxypyrazole Visit Supplier Webpage Request for quotation
CAS: 6126-22-3
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Mobile: 18021002903
QQ: 3008007409
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CAS: 6126-22-3
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
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