4-Ethynylpyridine
4-Ethynylpyridine
CAS: 2510-22-7
Molecular Formula: C7H5N
4-Ethynylpyridine - Names and Identifiers
| Name | 4-Ethynylpyridine |
| Synonyms | 4-ETHYNYLPYRIDINE 4-Ethynylpyridine 4-PYRIDYLACETYLENE Pyridine, 4-ethynyl- pyridine, 4-ethynyl- (Pyridin-4-yl)acetylene Pyridine, 4-ethynyl- (6CI, 7CI, 8CI, 9CI) |
| CAS | 2510-22-7 |
| InChI | InChI=1/C7H5N/c1-2-7-3-5-8-6-4-7/h1,3-6H |
| InChIKey | FDEDJRHULYIJOR-UHFFFAOYSA-N |
4-Ethynylpyridine - Physico-chemical Properties
| Molecular Formula | C7H5N |
| Molar Mass | 103.12 |
| Density | 1.02±0.1 g/cm3(Predicted) |
| Melting Point | 98 °C |
| Boling Point | 94.5 °C(Press: 32 Torr) |
| Flash Point | 57.5°C |
| Solubility | almost transparency in Acetone |
| Vapor Presure | 1.94mmHg at 25°C |
| Appearance | powder to crystal |
| Color | White to Light yellow |
| pKa | 4.16±0.10(Predicted) |
| Storage Condition | Keep in dark place,Inert atmosphere,Store in freezer, under -20°C |
| Refractive Index | 1.542 |
| MDL | MFCD04038420 |
4-Ethynylpyridine - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| 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. |
4-Ethynylpyridine - Introduction
4-ethynylpyriridine (4-ethynylpyriridine) is an organic compound with the chemical formula C7H5N. The following is a description of its nature, use, preparation and safety information:
Nature:
4-Ethynylpyridine is a colorless liquid with a special odor. It is soluble in organic solvents such as ethanol and ether and insoluble in water. It has a melting point of -22°C and a boiling point of 145°C.
Use:
4-ethynylpyriridine can be used as a reagent and catalyst for organic synthesis reactions. Because of its unique structure, it has important applications in a variety of organic synthesis. It can be used for the synthesis of various compounds containing alkynyl, such as alkynyl alcohol, alkynyl ketone, etc. In addition, it can also be used to synthesize drugs, pesticides and other organic compounds.
Method:
There are many methods for preparing 4-ethynylpyriridine, one of which is a common method by reacting 4-azidopyridine with sodium hydroxide, and then processing to obtain the target product.
Safety Information:
4-Ethynylpyridine has a certain degree of risk, need to pay attention to safety in the operation. It is a flammable liquid that may burn under the action of a fire source. Contact with skin and eyes may cause irritation and inflammation. Wear protective gloves and glasses and operate in a well-ventilated place.
Nature:
4-Ethynylpyridine is a colorless liquid with a special odor. It is soluble in organic solvents such as ethanol and ether and insoluble in water. It has a melting point of -22°C and a boiling point of 145°C.
Use:
4-ethynylpyriridine can be used as a reagent and catalyst for organic synthesis reactions. Because of its unique structure, it has important applications in a variety of organic synthesis. It can be used for the synthesis of various compounds containing alkynyl, such as alkynyl alcohol, alkynyl ketone, etc. In addition, it can also be used to synthesize drugs, pesticides and other organic compounds.
Method:
There are many methods for preparing 4-ethynylpyriridine, one of which is a common method by reacting 4-azidopyridine with sodium hydroxide, and then processing to obtain the target product.
Safety Information:
4-Ethynylpyridine has a certain degree of risk, need to pay attention to safety in the operation. It is a flammable liquid that may burn under the action of a fire source. Contact with skin and eyes may cause irritation and inflammation. Wear protective gloves and glasses and operate in a well-ventilated place.
Last Update：2024-04-09 21:04:16
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