34941-91-8
2-Chloro-4-fluoropyridine
CAS: 34941-91-8
Molecular Formula: C5H3ClFN
34941-91-8 - Names and Identifiers
| Name | 2-Chloro-4-fluoropyridine |
| Synonyms | 2-Chlor-4-fluorpyridin 2-Chlro-4-fluorpyridine 2-CHLORO-4-FLUOROPYRIDINE 2-CHLORO-4-FULOROPYRIDINE 2-Chloro-4-fluoropyridine 2--4- fluoropyridinechloride Pyridine, 2-chloro-4-fluoro- 2-Chloro-4-fluoropyridine AldrichCPR |
| CAS | 34941-91-8 |
| EINECS | 675-788-8 |
| InChI | InChI=1/C5H3ClFN/c6-5-3-4(7)1-2-8-5/h1-3H |
| InChIKey | FGSAQRJRWCZLOB-UHFFFAOYSA-N |
34941-91-8 - Physico-chemical Properties
| Molecular Formula | C5H3ClFN |
| Molar Mass | 131.54 |
| Density | 1,456g/cm |
| Boling Point | 140°C |
| Flash Point | 140°C |
| Vapor Presure | 3.49mmHg at 25°C |
| Appearance | Liquid |
| Color | Colorless to pale yellow |
| BRN | 1634747 |
| pKa | 1.20±0.10(Predicted) |
| Storage Condition | Inert atmosphere,2-8°C |
| Refractive Index | 1.5015 |
| Physical and Chemical Properties | Colorless transparent liquid |
34941-91-8 - Risk and Safety
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. R10 - Flammable |
| 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. S36 - Wear suitable protective clothing. |
| UN IDs | 1993 |
| HS Code | 29333990 |
| Hazard Note | Flammable/Irritant |
| Hazard Class | TOXIC, FLAMMABLE |
| Packing Group | III |
34941-91-8 - Introduction
2-Chloro-4-fluoropyridine is an organic compound with the chemical formula C5H3ClFN. The following is a description of the properties, uses, preparation and safety information of the compound:
Nature:
-Appearance: 2-Chloro-4-fluoropyridine is a colorless to light yellow liquid.
-Melting point:-23 ℃
-Boiling point: 149-150 ℃
-Density: 1.40g/cm³
-Solubility: 2-Chloro-4-fluoropyridine can be dissolved in some organic solvents, such as ethanol and ether.
Use:
- 2-Chloro-4-fluoropyridine is an intermediate widely used in organic synthesis. It can be used to synthesize other compounds, such as pesticides, pharmaceuticals and dyes.
-It can also be used as a raw material for catalysts, reagents and solvents.
Preparation Method:
- 2-Chloro-4-fluoropyridine can be obtained by chlorinating 4-fluoropyridine. This reaction is generally carried out under acidic conditions, usually using an acidic catalyst such as sulfuric acid.
Safety Information:
- 2-Chloro-4-fluoropyridine is an organic compound and should be used and handled with caution. Avoid direct contact with skin, eyes and mucous membranes.
-Wear appropriate personal protective equipment such as lab gloves, goggles and lab coats when operating.
-Avoid contact with strong oxidants and high temperatures to prevent dangerous reactions.
-Before use, you should carefully read and understand the chemical safety technical instructions, and follow the correct operating procedures and measures.
Nature:
-Appearance: 2-Chloro-4-fluoropyridine is a colorless to light yellow liquid.
-Melting point:-23 ℃
-Boiling point: 149-150 ℃
-Density: 1.40g/cm³
-Solubility: 2-Chloro-4-fluoropyridine can be dissolved in some organic solvents, such as ethanol and ether.
Use:
- 2-Chloro-4-fluoropyridine is an intermediate widely used in organic synthesis. It can be used to synthesize other compounds, such as pesticides, pharmaceuticals and dyes.
-It can also be used as a raw material for catalysts, reagents and solvents.
Preparation Method:
- 2-Chloro-4-fluoropyridine can be obtained by chlorinating 4-fluoropyridine. This reaction is generally carried out under acidic conditions, usually using an acidic catalyst such as sulfuric acid.
Safety Information:
- 2-Chloro-4-fluoropyridine is an organic compound and should be used and handled with caution. Avoid direct contact with skin, eyes and mucous membranes.
-Wear appropriate personal protective equipment such as lab gloves, goggles and lab coats when operating.
-Avoid contact with strong oxidants and high temperatures to prevent dangerous reactions.
-Before use, you should carefully read and understand the chemical safety technical instructions, and follow the correct operating procedures and measures.
Last Update：2024-04-09 02:00:45
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