850544-26-2 - Names and Identifiers
850544-26-2 - Physico-chemical Properties
Molecular Formula | C6H2Cl2N2O4
|
Molar Mass | 237 |
Density | 1.810±0.06 g/cm3(Predicted) |
Melting Point | 137-139 °C |
Boling Point | 421.1±45.0 °C(Predicted) |
pKa | 1.97±0.13(Predicted) |
850544-26-2 - Introduction
acid is an organic compound with the chemical formula C6H2Cl2N2O4. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: Usually yellow to orange crystalline powder.
-Solubility: Easily soluble in organic solvents such as ethanol, dimethyl sulfoxide and chloroform, insoluble in water.
-Melting Point: about 190-194 ℃.
Use:
- 4, acid is often used as an intermediate in organic synthesis to synthesize other compounds.
-Can be used as raw materials in the field of pesticides and pharmaceuticals.
Method:
4. acid can usually be synthesized through the following steps:
1. 2-pyridinecarboxylic acid (2-pyridinecarboxylic acid) reacts with nitric acid (HNO3) to give 5-nitro-2-pyridinecarboxylic acid (acid) under appropriate conditions.
2. React 5-nitro-2-picolinic acid with thionyl chloride (SOCl2) under appropriate conditions to obtain 4, acid.
Safety Information:
- 4, acid may be toxic, irritating and corrosive to human body.
-Wear appropriate personal protective equipment such as gloves, glasses and protective clothing during handling and storage.
-Avoid contact with eyes, skin and respiratory tract, avoid inhaling dust.
-in use to maintain good ventilation conditions, to avoid inhalation of steam or dust caused by poisoning.
-If exposed to this compound, immediately flush the affected area with plenty of water and seek medical assistance.
Last Update:2024-04-09 02:00:51