1,2-二膦基乙烷
1,2-Bis(phosphino)ethane
CAS: 5518-62-7
Molecular Formula: C2H8P2
1,2-二膦基乙烷 - Names and Identifiers
1,2-二膦基乙烷 - Physico-chemical Properties
| Molecular Formula | C2H8P2 |
| Molar Mass | 94.03 |
| Melting Point | -62.4°C |
| Boling Point | 109-110°C |
| Flash Point | 109-110°C |
| Water Solubility | It is soluble in organic solvents. It is insoluble in water. |
| Appearance | Liquid |
| Color | Colorless |
| Sensitive | Air Sensitive |
1,2-二膦基乙烷 - Risk and Safety
| Risk Codes | R17 - Spontaneously flammable in air R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S17 - Keep away from combustible material. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | 2845 |
| Hazard Class | 4.2 |
| Packing Group | I |
1,2-二膦基乙烷 - Introduction
1,2-Bis(phosphino)ethane, also known as dppe, is an organic compound. Its chemical formula is C8H18P2, and its structure contains two phosphorus atoms and an ethane chain. It is a colorless liquid with a special smell. The following is a description of the nature, use, preparation and safety information of 1,2-Bis(phosphino)ethane:
Nature:
-Appearance: colorless liquid
-Molecular weight: 188.20g/mol
-Boiling point: 125-127 ℃
-Density: 0.944g/cm3
-Solubility: Soluble in ionic liquids and some organic solvents
-Stability: Stable at room temperature, but decomposition or oxidation reaction may occur under the action of strong oxidants
Use:
1,2-Bis(phosphino)ethane has excellent coordination properties and is mainly used in the field of organometallic chemistry. It is widely used in the synthesis of transition metal complexes, especially in the design of catalysts and plays an important role in organic synthesis. At the same time, it can also be used as a synthetic intermediate or redox catalyst for photovoltaic materials.
Preparation Method:
A common method for preparing 1,2-Bis(phosphino)ethane is generated by the reaction of ethylene and triphenylphosphine. The specific steps are as follows:
1. Ethylene and triphenylphosphine are reacted in the presence of a copper iodide (CuI) catalyst.
2. After completion of the reaction, the product was purified by distillation and recrystallization.
Safety Information:
There are some safety considerations when using 1,2-Bis(phosphino)ethane:
- 1,2-Bis(phosphino)ethane has a low ignition point and avoids contact with open flames or high heat sources.
-avoid prolonged or heavy contact with skin and eyes, such as contact, immediately rinse with plenty of water.
-In the process of operation to maintain good ventilation conditions, avoid inhalation of its vapor.
-The compound should be stored and handled in a safe manner, avoiding mixing with oxidizing agents.
-Before using or handling the compound, carefully read and follow the relevant safety instructions.
Nature:
-Appearance: colorless liquid
-Molecular weight: 188.20g/mol
-Boiling point: 125-127 ℃
-Density: 0.944g/cm3
-Solubility: Soluble in ionic liquids and some organic solvents
-Stability: Stable at room temperature, but decomposition or oxidation reaction may occur under the action of strong oxidants
Use:
1,2-Bis(phosphino)ethane has excellent coordination properties and is mainly used in the field of organometallic chemistry. It is widely used in the synthesis of transition metal complexes, especially in the design of catalysts and plays an important role in organic synthesis. At the same time, it can also be used as a synthetic intermediate or redox catalyst for photovoltaic materials.
Preparation Method:
A common method for preparing 1,2-Bis(phosphino)ethane is generated by the reaction of ethylene and triphenylphosphine. The specific steps are as follows:
1. Ethylene and triphenylphosphine are reacted in the presence of a copper iodide (CuI) catalyst.
2. After completion of the reaction, the product was purified by distillation and recrystallization.
Safety Information:
There are some safety considerations when using 1,2-Bis(phosphino)ethane:
- 1,2-Bis(phosphino)ethane has a low ignition point and avoids contact with open flames or high heat sources.
-avoid prolonged or heavy contact with skin and eyes, such as contact, immediately rinse with plenty of water.
-In the process of operation to maintain good ventilation conditions, avoid inhalation of its vapor.
-The compound should be stored and handled in a safe manner, avoiding mixing with oxidizing agents.
-Before using or handling the compound, carefully read and follow the relevant safety instructions.
Last Update：2024-04-10 22:29:15
