136888-21-6 - Names and Identifiers
136888-21-6 - Physico-chemical Properties
Molecular Formula | C5H2ClFN2O2
|
Molar Mass | 176.53 |
Density | 1.595 |
Melting Point | 48.0 to 52.0 °C |
Boling Point | 246℃ |
Flash Point | 103℃ |
Vapor Presure | 6.86E-05mmHg at 25°C |
Appearance | powder to crystal |
Color | White to Yellow to Green |
pKa | -4.94±0.10(Predicted) |
Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
136888-21-6 - Introduction
2-Chloro-3-nitro-5-fluoropyridine is an organic compound with the molecular formula C5H2ClFN2O2. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: White crystal or powder
-melting point: 110-113 ℃
-Boiling point: 142-145 ℃
-Solubility: Slightly soluble in water, soluble in organic solvents such as ethanol and methanol
Use:
-2-Chloro-3-nitro-5-fluoropyridine is commonly used as a pesticide intermediate. It can be used to synthesize various pesticides, such as fipronil, etc., for controlling pests and weeds on crops.
-In addition to the field of pesticides, it can also be used as a substrate and reagent for organic synthesis reactions, and participate in the preparation of drugs and chemicals.
Preparation Method:
-2-Chloro-3-nitro-5-fluoropyridine can be prepared by reacting cyanogen chloride and 2-chloro-5-fluoropyridine. The specific preparation method requires the use of appropriate reagents and conditions, such as organic solvents, catalysts, etc.
Safety Information:
-2-Chloro-3-nitro-5-fluoropyridine is an organic compound and generally has certain toxicity. Wear appropriate protective equipment such as gloves, goggles and masks when handling or touching.
-Avoid inhalation or contact with skin and eyes, and take care to avoid swallowing. In case of contact with skin or eyes, rinse immediately with plenty of water and seek medical help.
-2-Chloro-3-nitro-5-fluoropyridine should be stored in a dry, well-ventilated place, away from fire and combustibles.
Please note that the use and operation of chemicals should be carried out in accordance with relevant regulations and safe operating procedures, and professional guidance should be consulted.
Last Update:2024-04-09 15:17:52