Pyridine, 2,4-dimethyl-3-nitro-
2,4-Dimethyl-3-nitropyridine
CAS: 1074-76-6
Molecular Formula: C7H8N2O2
Pyridine, 2,4-dimethyl-3-nitro- - Names and Identifiers
| Name | 2,4-Dimethyl-3-nitropyridine |
| Synonyms | 2,4-DIMETHYL-3-NITROPYRIDINE 3-Nitro-2,4-dimethylpyridine 2,4-Dimethyl-3-nitropyridine pyridine, 2,4-dimethyl-3-nitro- Pyridine, 2,4-dimethyl-3-nitro- 4-Methyl-pyriMido[1,2-b]pyridazin-2-one |
| CAS | 1074-76-6 |
| InChI | InChI=1/C7H8N2O2/c1-5-3-4-8-6(2)7(5)9(10)11/h3-4H,1-2H3 |
Pyridine, 2,4-dimethyl-3-nitro- - Physico-chemical Properties
| Molecular Formula | C7H8N2O2 |
| Molar Mass | 152.15 |
| Density | 1?+-.0.06 g/cm3(Predicted) |
| Melting Point | 9.5 °C |
| Boling Point | 118-123 °C(Press: 12 Torr) |
| Flash Point | 95.079°C |
| Vapor Presure | 0.084mmHg at 25°C |
| pKa | 2.57±0.18(Predicted) |
| Storage Condition | 2-8°C |
| Refractive Index | 1.551 |
Pyridine, 2,4-dimethyl-3-nitro- - Introduction
2,4-Dimethyl-3-nitropyridine is an organic compound with the chemical formula C9H11N3O2. The following is a description of some of its properties, uses, methods and safety information:
Nature:
-Appearance: 2,4-dimethyl-3-nitropyridine is a pale yellow to yellow solid.
-Solubility: Soluble in organic solvents, such as ethanol, ether, etc., insoluble in water.
-Melting point: about 71-72°C.
-Stability: Stable under conditions of low temperature, avoiding light and moisture.
Use:
-2,4-dimethyl-3-nitropyridine is a pesticide widely used in the agricultural field and can be used to control pests on crops.
-It can be used to control a variety of insects, such as apple tree borers on apple trees and grape snake worms on grapes.
Preparation Method:
-2,4-dimethyl-3-nitropyridine has many preparation methods. A common method is to synthesize it through the condensation reaction of p-nitrophenol and methylacetone. Specific steps are as follows:
1. The p-nitrophenol reacts with methyl acetone to generate 2-methyl -4-nitrophenol under alkaline conditions.
2. Acylation of 2-methyl -4-nitrophenol with acetone to generate 2,4-dimethyl -3-nitropyridine.
Safety Information:
-2,4-dimethyl-3-nitropyridine has a certain toxicity, so you need to pay attention to safety during use.
-Avoid contact with skin, eyes and inhalation of dust or gas.
-Wear protective gloves, goggles and respiratory protection during operation.
-Avoid contact with combustible materials, and store away from fire and oxidizing agents.
Please note that the use and preparation of chemical substances should follow relevant safety procedures and laws and regulations.
Nature:
-Appearance: 2,4-dimethyl-3-nitropyridine is a pale yellow to yellow solid.
-Solubility: Soluble in organic solvents, such as ethanol, ether, etc., insoluble in water.
-Melting point: about 71-72°C.
-Stability: Stable under conditions of low temperature, avoiding light and moisture.
Use:
-2,4-dimethyl-3-nitropyridine is a pesticide widely used in the agricultural field and can be used to control pests on crops.
-It can be used to control a variety of insects, such as apple tree borers on apple trees and grape snake worms on grapes.
Preparation Method:
-2,4-dimethyl-3-nitropyridine has many preparation methods. A common method is to synthesize it through the condensation reaction of p-nitrophenol and methylacetone. Specific steps are as follows:
1. The p-nitrophenol reacts with methyl acetone to generate 2-methyl -4-nitrophenol under alkaline conditions.
2. Acylation of 2-methyl -4-nitrophenol with acetone to generate 2,4-dimethyl -3-nitropyridine.
Safety Information:
-2,4-dimethyl-3-nitropyridine has a certain toxicity, so you need to pay attention to safety during use.
-Avoid contact with skin, eyes and inhalation of dust or gas.
-Wear protective gloves, goggles and respiratory protection during operation.
-Avoid contact with combustible materials, and store away from fire and oxidizing agents.
Please note that the use and preparation of chemical substances should follow relevant safety procedures and laws and regulations.
Last Update：2024-04-10 22:29:15
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