but-3-yn-1-ylbenzene
Phenylbutyne
CAS: 16520-62-0
Molecular Formula: C10H10
but-3-yn-1-ylbenzene - Names and Identifiers
| Name | Phenylbutyne |
| Synonyms | Phenylbutyne 3-butynylbenzene 4-PHENYL-1-BUTYNE 4-Phenyl-1-butyne but-3-yn-1-ylbenzene 1-Butyne, 4-Phenyl- 2-PHENYLETHYLACETYLENE Phenethylacetylene2-Phenylethylacetylene |
| CAS | 16520-62-0 |
| InChI | InChI=1/C10H10/c1-2-3-7-10-8-5-4-6-9-10/h1,4-6,8-9H,3,7H2 |
but-3-yn-1-ylbenzene - Physico-chemical Properties
| Molecular Formula | C10H10 |
| Molar Mass | 130.19 |
| Density | 0.926 g/mL at 25 °C (lit.) |
| Boling Point | 189-190 °C (lit.) |
| Flash Point | 151°F |
| Water Solubility | Not miscible or difficult to mix in water. |
| Vapor Presure | 0.76mmHg at 25°C |
| Appearance | clear liquid |
| Color | Colorless to Light orange to Yellow |
| BRN | 1362221 |
| Storage Condition | Room Temprature |
| Refractive Index | n20/D 1.5120(lit.) |
| MDL | MFCD00041667 |
but-3-yn-1-ylbenzene - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36 - Irritating to the eyes |
| Safety Description | 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| UN IDs | NA 1993 / PGIII |
| WGK Germany | 3 |
| HS Code | 29029090 |
but-3-yn-1-ylbenzene - Introduction
Phenylbutyne (or Phenylbutyne) is an organic compound with the chemical formula C10H8C2H3. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: Phenylbutyne is a colorless crystal or solid, soluble in organic solvents such as ethanol, ether and dichloromethane.
-Melting point: about 68-72 ° C.
-Boiling point: About 244 ° C.
-Density: about 0.933g/cm³.
-Stability: Phenylbutyne is stable at room temperature, but it will easily polymerize under high temperature and light conditions.
Use:
- Phenylbutyne as an organic synthesis intermediate, has a wide range of applications in the field of pharmaceutical synthesis and organic synthesis. It can be used to prepare various organic compounds, such as heterocyclic compounds, polymers, dyes, etc.
Method:
- Phenylbutyne can be prepared by the condensation reaction of benzaldehyde and propionaldehyde. The specific steps are as follows:
1. Benzaldehyde and propionaldehyde are mixed in a certain proportion, and an acidic catalyst (such as zinc chloride) is added.
2. Condensation reaction is carried out at an appropriate temperature to form Phenylbutyne.
3. Through appropriate extraction and purification steps, pure Phenylbutyne product can be obtained.
Safety Information:
- Phenylbutyne has certain toxicity, should avoid direct contact with skin, eyes and respiratory tract. If contact occurs, rinse immediately with clean water and seek medical help.
-When handling and storing Phenylbutyne, good ventilation measures should be taken to avoid contact with high temperature, open flame and oxidant.
-Please use, handle and dispose of Phenylbutyne correctly under the guidance of professionals, and comply with local safety procedures and regulations.
Nature:
-Appearance: Phenylbutyne is a colorless crystal or solid, soluble in organic solvents such as ethanol, ether and dichloromethane.
-Melting point: about 68-72 ° C.
-Boiling point: About 244 ° C.
-Density: about 0.933g/cm³.
-Stability: Phenylbutyne is stable at room temperature, but it will easily polymerize under high temperature and light conditions.
Use:
- Phenylbutyne as an organic synthesis intermediate, has a wide range of applications in the field of pharmaceutical synthesis and organic synthesis. It can be used to prepare various organic compounds, such as heterocyclic compounds, polymers, dyes, etc.
Method:
- Phenylbutyne can be prepared by the condensation reaction of benzaldehyde and propionaldehyde. The specific steps are as follows:
1. Benzaldehyde and propionaldehyde are mixed in a certain proportion, and an acidic catalyst (such as zinc chloride) is added.
2. Condensation reaction is carried out at an appropriate temperature to form Phenylbutyne.
3. Through appropriate extraction and purification steps, pure Phenylbutyne product can be obtained.
Safety Information:
- Phenylbutyne has certain toxicity, should avoid direct contact with skin, eyes and respiratory tract. If contact occurs, rinse immediately with clean water and seek medical help.
-When handling and storing Phenylbutyne, good ventilation measures should be taken to avoid contact with high temperature, open flame and oxidant.
-Please use, handle and dispose of Phenylbutyne correctly under the guidance of professionals, and comply with local safety procedures and regulations.
Last Update：2024-04-09 15:17:53
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