4-(Phenylethynyl)phthalic anhydride
4-phenylethynyl phthalic anhydride
CAS: 119389-05-8
Molecular Formula: C16H8O3
4-(Phenylethynyl)phthalic anhydride - Names and Identifiers
4-(Phenylethynyl)phthalic anhydride - Physico-chemical Properties
| Molecular Formula | C16H8O3 |
| Molar Mass | 248.24 |
| Density | 1.38g/cm3 |
| Melting Point | 152℃ |
| Boling Point | 466.881°C at 760 mmHg |
| Flash Point | 235.424°C |
| Vapor Presure | 0mmHg at 25°C |
| Storage Condition | Room Temprature |
| Refractive Index | 1.679 |
| MDL | MFCD01862632 |
4-(Phenylethynyl)phthalic anhydride - Introduction
4-Phenylethynyl phthalic anhydride, also known as C6H5CC(C6H4CO)2O, is an organic compound. The following is a description of the properties, uses, preparation and safety information of the compound:
Nature:
-Appearance: 4-Phenylethynyl phthalic anhydride is a colorless to light yellow crystal powder.
-Solubility: It is soluble in organic solvents such as ethanol, dimethylformamide and dichloromethane, but insoluble in water.
Use:
-Chemical synthesis: 4-Phenylethynyl phthalic anhydride is a commonly used chemical reagent that can be used to synthesize organic compounds, such as drugs, pigments and dyes.
-Polymer: It can also be used to prepare polyimide polymer materials, with high temperature stability and excellent electrical insulation properties.
Preparation Method:
4-Phenylethynyl phthalic anhydride is generally prepared by the following synthetic procedure:
1. phthalic anhydride is reacted with zinc ash in the presence of cuprous chloride to obtain phthalic dianhydride.
2. reacting phthalic dianhydride with phenylacetylene to generate 4-phenylethynyl phthalic anhydride.
Safety Information:
4-Phenylethynyl phthalic anhydride should pay attention to the following safety matters when using:
-The compound may have an irritating effect on the skin and eyes, and needs to be washed thoroughly after contact.
-Avoid inhaling its dust or solution during handling or use.
-Wear appropriate protective equipment, including gloves and goggles.
-During storage and handling, keep away from fire and oxidizing agents and maintain a well-ventilated environment.
When using 4-phenylethynyl phthalic anhydride, please follow the relevant chemical safety procedures and follow relevant regulations and guidelines.
Nature:
-Appearance: 4-Phenylethynyl phthalic anhydride is a colorless to light yellow crystal powder.
-Solubility: It is soluble in organic solvents such as ethanol, dimethylformamide and dichloromethane, but insoluble in water.
Use:
-Chemical synthesis: 4-Phenylethynyl phthalic anhydride is a commonly used chemical reagent that can be used to synthesize organic compounds, such as drugs, pigments and dyes.
-Polymer: It can also be used to prepare polyimide polymer materials, with high temperature stability and excellent electrical insulation properties.
Preparation Method:
4-Phenylethynyl phthalic anhydride is generally prepared by the following synthetic procedure:
1. phthalic anhydride is reacted with zinc ash in the presence of cuprous chloride to obtain phthalic dianhydride.
2. reacting phthalic dianhydride with phenylacetylene to generate 4-phenylethynyl phthalic anhydride.
Safety Information:
4-Phenylethynyl phthalic anhydride should pay attention to the following safety matters when using:
-The compound may have an irritating effect on the skin and eyes, and needs to be washed thoroughly after contact.
-Avoid inhaling its dust or solution during handling or use.
-Wear appropriate protective equipment, including gloves and goggles.
-During storage and handling, keep away from fire and oxidizing agents and maintain a well-ventilated environment.
When using 4-phenylethynyl phthalic anhydride, please follow the relevant chemical safety procedures and follow relevant regulations and guidelines.
Last Update：2024-04-09 19:05:46
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