Diphenylphosphine selenide
Diphenylphosphine selenide
CAS: 5853-64-5
Molecular Formula: C12H11PSe
Diphenylphosphine selenide - Names and Identifiers
| Name | Diphenylphosphine selenide |
| Synonyms | Diphenylphosphine selenide Phosphine selenide, diphenyl- |
| CAS | 5853-64-5 |
Diphenylphosphine selenide - Physico-chemical Properties
| Molecular Formula | C12H11PSe |
| Molar Mass | 265.15 |
| Melting Point | 110-115°C |
| Appearance | powder or crystals |
| Storage Condition | 15-25°C |
Diphenylphosphine selenide - Risk and Safety
| UN IDs | UN 3283 6.1 / PGIII |
Diphenylphosphine selenide - Introduction
Diphenylphosphoselenide (Diphenylphosphine selenide) is an organic selenium compound. Its chemical formula is (Ph2P)Se, where Ph represents a phenyl group. The following is a description of the properties, uses, preparation and safety information of diphenylphosphoselenide:
Nature:
-Diphenylphosphoselenide is a colorless to yellowish crystalline solid with a pungent odor.
-It is insoluble in water at room temperature, but can be dissolved in non-polar and weakly polar solvents, such as ethanol, dimethylformamide and carbon disulfide.
-Under hot and humid conditions, diphenylphosphoselenide may decompose to produce toxic hydrogen selenide gas.
Use:
-Diphenylphosphoselenide is often used as a selenium source in organic synthesis. It can introduce selenium atoms into organic molecules to change its properties and activity.
-It can be used as a ligand for transition metal-catalyzed reactions and participate in the formation of carbon-carbon and carbon-nitrogen bonds.
-Diphenylphosphoselenide can also be used to prepare organic selenium compounds and fluorescent dyes.
Preparation Method:
Diphenyl phosphorus selenide can be obtained by reacting diphenyl phosphorus with tellurium. First, diphenyl phosphorus is dissolved in anhydrous ethanol, tellurium is added at a low temperature, and the system is slowly heated to complete reaction under stirring. Finally, the target product is obtained by filtration, crystallization and drying.
Safety Information:
-Diphenylphosphoselenide is irritating to the eyes and respiratory tract. Please be careful to avoid contact with skin and inhalation.
-When operating, it is required to operate in a well-ventilated place or wear a protective mask and gloves.
-In case of accidental inhalation or contact, rinse immediately with water and seek medical help.
-When storing and handling, please follow local safety regulations and operating procedures.
Nature:
-Diphenylphosphoselenide is a colorless to yellowish crystalline solid with a pungent odor.
-It is insoluble in water at room temperature, but can be dissolved in non-polar and weakly polar solvents, such as ethanol, dimethylformamide and carbon disulfide.
-Under hot and humid conditions, diphenylphosphoselenide may decompose to produce toxic hydrogen selenide gas.
Use:
-Diphenylphosphoselenide is often used as a selenium source in organic synthesis. It can introduce selenium atoms into organic molecules to change its properties and activity.
-It can be used as a ligand for transition metal-catalyzed reactions and participate in the formation of carbon-carbon and carbon-nitrogen bonds.
-Diphenylphosphoselenide can also be used to prepare organic selenium compounds and fluorescent dyes.
Preparation Method:
Diphenyl phosphorus selenide can be obtained by reacting diphenyl phosphorus with tellurium. First, diphenyl phosphorus is dissolved in anhydrous ethanol, tellurium is added at a low temperature, and the system is slowly heated to complete reaction under stirring. Finally, the target product is obtained by filtration, crystallization and drying.
Safety Information:
-Diphenylphosphoselenide is irritating to the eyes and respiratory tract. Please be careful to avoid contact with skin and inhalation.
-When operating, it is required to operate in a well-ventilated place or wear a protective mask and gloves.
-In case of accidental inhalation or contact, rinse immediately with water and seek medical help.
-When storing and handling, please follow local safety regulations and operating procedures.
Last Update：2024-04-10 22:29:15
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