139756-00-6
1-METHYL-4-NITRO-3-PROPYL-1H-PYRAZOLE-5-CARBOXYLIC ACID
CAS: 139756-00-6
Molecular Formula: C8H11N3O4
139756-00-6 - Names and Identifiers
| Name | 1-METHYL-4-NITRO-3-PROPYL-1H-PYRAZOLE-5-CARBOXYLIC ACID |
| Synonyms | Sildenafil Impurity NA Methisosildenafil Impurity 15 1-METHYL-4-NITRO-3-PROPYL-1H-PYRAZOL 1-Methyl-4-nitro-3-propyl-1H-pyrazole 1-Methyl-2-nitro-3-propyl-1H-pyrazole-5-carboxylic acid 1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxylic acid 2-METHYL-4-NITRO-5-PROPYL-2H-PYRAZOLE-3-CARBOXYLIC ACID 1-METHYL-4-NITRO-3-PROPYL-1H-PYRAZOLE-5-CARBOXYLIC ACID |
| CAS | 139756-00-6 |
| EINECS | 1806241-263-5 |
| InChI | InChI=1/C8H11N3O4/c1-3-4-5-6(11(14)15)7(8(12)13)10(2)9-5/h3-4H2,1-2H3,(H,12,13) |
139756-00-6 - Physico-chemical Properties
| Molecular Formula | C8H11N3O4 |
| Molar Mass | 213.19 |
| Density | 1.45±0.1 g/cm3(Predicted) |
| Melting Point | 124-127 °C |
| Boling Point | 392.7±42.0 °C(Predicted) |
| Flash Point | 191.3°C |
| Solubility | DMSO (Slightly), Methanol (Slightly) |
| Vapor Presure | 7.17E-07mmHg at 25°C |
| Appearance | Solid |
| Color | Yellow to Orange to Dark Yellow |
| pKa | 2.16±0.50(Predicted) |
| Storage Condition | 2-8°C |
| Refractive Index | 1.61 |
139756-00-6 - Introduction
1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxylic acid is an organic compound with the chemical formula C10H10N2O4. The following is a description of its nature, use, preparation and safety information:
Nature:
1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxylic acid is a yellow crystal with high thermal stability. It is soluble in solvents and stable in acidic conditions.
Use:
1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxylic acid is a commonly used explosive drug intermediate. Due to its thermal stability and explosive properties, it is often used in the preparation of explosives. In addition, it can also be used as a substrate or ligand in organic synthesis.
Preparation Method:
The preparation method of 1-methyl -4-nitro -3-propyl -1H-pyrazole -5-carboxylic acid is more complicated, generally including multi-step reactions. The common preparation method includes taking benzaldehyde as the starting material and obtaining the target product through a series of reactions.
Safety Information:
1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxylic acid needs to be handled and stored with care because it is an explosive. It should be kept away from open flames, heat sources and oxidants, and properly sealed and stored. Wear appropriate protective equipment such as goggles, gloves and protective clothing during operation. If it comes into contact with skin or eyes, rinse immediately with plenty of water and seek medical attention. In the process of handling should pay attention to comply with the relevant safety procedures.
Nature:
1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxylic acid is a yellow crystal with high thermal stability. It is soluble in solvents and stable in acidic conditions.
Use:
1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxylic acid is a commonly used explosive drug intermediate. Due to its thermal stability and explosive properties, it is often used in the preparation of explosives. In addition, it can also be used as a substrate or ligand in organic synthesis.
Preparation Method:
The preparation method of 1-methyl -4-nitro -3-propyl -1H-pyrazole -5-carboxylic acid is more complicated, generally including multi-step reactions. The common preparation method includes taking benzaldehyde as the starting material and obtaining the target product through a series of reactions.
Safety Information:
1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxylic acid needs to be handled and stored with care because it is an explosive. It should be kept away from open flames, heat sources and oxidants, and properly sealed and stored. Wear appropriate protective equipment such as goggles, gloves and protective clothing during operation. If it comes into contact with skin or eyes, rinse immediately with plenty of water and seek medical attention. In the process of handling should pay attention to comply with the relevant safety procedures.
Last Update：2024-04-09 21:04:16
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