Pyridine, 2-chloro-5-iodo-3-nitro- - Names and Identifiers
Pyridine, 2-chloro-5-iodo-3-nitro- - Physico-chemical Properties
Molecular Formula | C5H2ClIN2O2
|
Molar Mass | 284.44 |
Density | 2.213±0.06 g/cm3(Predicted) |
Melting Point | 77-81 °C |
Boling Point | 334.0±37.0 °C(Predicted) |
pKa | -4.74±0.10(Predicted) |
Storage Condition | under inert gas (nitrogen or Argon) at 2–8 °C |
Pyridine, 2-chloro-5-iodo-3-nitro- - Risk and Safety
Hazard Symbols | Xn - Harmful
|
Risk Codes | R22 - Harmful if swallowed
R37/38 - Irritating to respiratory system and skin.
R41 - Risk of serious damage to eyes
|
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
|
WGK Germany | 3 |
Pyridine, 2-chloro-5-iodo-3-nitro- - Introduction
It is an organic compound with the chemical formula C5H2ClIN2O2.
Its physical and chemical properties are as follows:
Appearance: colorless to light yellow crystal
Melting point: 137-139°C
Boiling point: 371.2°C
Density: 2.06g/cm³
It has good solubility in organic solvents and can be dissolved in ethanol, dimethyl ketone, etc.
Its main use is as an intermediate in organic synthesis. It can be used in the synthesis of other organic compounds, drugs and pesticides.
Its preparation method can be carried out through the following steps:
1. pyridine and 2,4, 6-trichloro pyridine react to generate dichloropyridine.
2. reacting dichloropyridine with sodium iodide to generate dichloro-5-iodopyridine.
3. Finally, the dichloro-5-iodopyridine is reacted with nitric acid to form pyridine.
About safety information, it belongs to organic compounds and has certain risks. May cause irritation to skin, eyes and respiratory tract when in contact. Appropriate protective equipment should be worn during operation and adequate ventilation should be ensured. During storage and transportation, avoid contact with flammable substances, oxidants, etc. At the same time, laws and regulations and relevant operating specifications should be observed to avoid unnecessary risks.
Last Update:2024-04-09 21:11:58