四辛基溴化膦
tetraoctylphosphonium bromide
CAS: 23906-97-0
Molecular Formula: C32H68BrP
四辛基溴化膦 - Names and Identifiers
| Name | tetraoctylphosphonium bromide |
| Synonyms | Cyphos 166 Cyphos IL 166 etraoctylphosphanium,bromide tetraoctylphosphonium bromide TETRAOCTYLPHOSPHONIUM BROMIDE TETRA-N-OCTYLPHOSPHONIUM BROMIDE Tetra-n-octylphosphonium Bromide TETRAOCTYLPHOSPHONIUM BROMIDE FOR SYNTHE |
| CAS | 23906-97-0 |
| EINECS | 245-935-7 |
| InChI | InChI=1/C32H68P.BrH/c1-5-9-13-17-21-25-29-33(30-26-22-18-14-10-6-2,31-27-23-19-15-11-7-3)32-28-24-20-16-12-8-4;/h5-32H2,1-4H3;1H/q+1;/p-1 |
四辛基溴化膦 - Physico-chemical Properties
| Molecular Formula | C32H68BrP |
| Molar Mass | 563.76 |
| Melting Point | 38-43°C(lit.) |
| Flash Point | >230°F |
| Appearance | solid |
| Color | white to yellow, waxy |
| PH | <3 (50g/l, H2O) |
| Storage Condition | Store below +30°C. |
| Stability | hygroscopic |
| MDL | MFCD00210101 |
四辛基溴化膦 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| UN IDs | UN 3261 8/PG 3 |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 3-10 |
| HS Code | 2931 39 90 |
| Toxicity | LD50 orally in Rabbit: 2800 mg/kg |
四辛基溴化膦 - Introduction
tetraoctylphosphonium bromide is an organic compound with the chemical formula C32H67BrP. The following is a description of the nature, use, formulation and safety information of tetraoctylphosphonium bromide:
Nature:
tetraoctylphosphonium bromide is a colorless to pale yellow solid with low solubility. It is relatively stable at room temperature, but it is prone to decomposition reactions under conditions of high temperature, sunlight exposure and the presence of oxygen.
Use:
tetraoctylphosphonium bromide is commonly used as a catalyst and as a cation in ionic liquids. Due to its hydrophobic and deoxidizer properties, it is widely used in organic synthesis reactions such as esterification, oxidation, phosphorus trioxide reduction, medium fluorination and diazotization reactions. In addition, tetraoctylphosphonium bromide can also be used as a liquid-liquid extractant and optical material.
Method:
The preparation of tetraoctylphosphonium bromide is usually obtained by the reaction of tetraoctylphosphonium chloride with copper bromide. The specific steps are as follows: Tetraoctyl phosphonium tetrachloride and copper bromide are added into anhydrous dichloromethane, stirred and reacted at low temperature for several hours, and then filtered to obtain tetraoctylphosphonium bromide.
Safety Information:
tetraoctylphosphonium bromide is toxic and should be handled with care. Wear appropriate personal protective equipment during operation to avoid direct contact with skin and eyes. In addition, it should be operated under good ventilation to avoid inhaling dust or generating gas. If ingested or inhaled, seek medical attention immediately.
Nature:
tetraoctylphosphonium bromide is a colorless to pale yellow solid with low solubility. It is relatively stable at room temperature, but it is prone to decomposition reactions under conditions of high temperature, sunlight exposure and the presence of oxygen.
Use:
tetraoctylphosphonium bromide is commonly used as a catalyst and as a cation in ionic liquids. Due to its hydrophobic and deoxidizer properties, it is widely used in organic synthesis reactions such as esterification, oxidation, phosphorus trioxide reduction, medium fluorination and diazotization reactions. In addition, tetraoctylphosphonium bromide can also be used as a liquid-liquid extractant and optical material.
Method:
The preparation of tetraoctylphosphonium bromide is usually obtained by the reaction of tetraoctylphosphonium chloride with copper bromide. The specific steps are as follows: Tetraoctyl phosphonium tetrachloride and copper bromide are added into anhydrous dichloromethane, stirred and reacted at low temperature for several hours, and then filtered to obtain tetraoctylphosphonium bromide.
Safety Information:
tetraoctylphosphonium bromide is toxic and should be handled with care. Wear appropriate personal protective equipment during operation to avoid direct contact with skin and eyes. In addition, it should be operated under good ventilation to avoid inhaling dust or generating gas. If ingested or inhaled, seek medical attention immediately.
Last Update：2024-04-10 22:29:15
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