з-(2-етилгексил) phosphoric Acid also be named DEHPA or HDEHP, abbreviated as P204, it is widely used for metal extraction.
Chemical Information:
- Common Names: з-(2-етилгексил) фосфорна кислота, DEHPA, HDEHP
- CAS Number: 298-07-7
- EINECS Number: 206-056-4
- Хімічна формула: C16H35O4P
- Molar Mass: 322.43 г/моль
- Щільність: 0.972 г/мл
- Melting Point: -50°C
- Boiling Point: 393°C
- Зміст: 96.99%
Огляд
з-(2-етилгексил) фосфорна кислота (DEHPA) is a colorless to pale yellow liquid that is primarily used in solvent extraction processes for the recovery and separation of metal ions, particularly in hydrometallurgy. Its chemical structure features two 2-ethylhexyl groups attached to a phosphoric acid moiety, which contributes to its ability to form stable complexes with various metal ions.
Physical and Chemical Properties
- Зовнішній вигляд: Colorless to pale yellow liquid
- Розчинність: Soluble in organic solvents (Напр., hexane, toluene) but poorly soluble in water
- В'язкість: Viscous liquid at room temperature
Додатків
- Видобуток металу:
- Widely used for extracting rare earth elements, уран, and other heavy metals from ores and waste streams through solvent extraction techniques.
- Гідрометалургія:
- Effective in recycling processes and recovery of valuable metals due to its selective binding properties.
- Oil and Gas Industry:
- Used as an additive in drilling and fracturing fluids to enhance performance under high-pressure conditions.
- Plasticizers:
- Serves as a plasticizer in the production of plastics, improving flexibility and durability.
- Analytical Chemistry:
- Employed in laboratory settings for studying metal-ion interactions and other research applications.
Безпека та поводження
- Toxicity: Considered to have low acute toxicity; however, it can cause irritation to skin, eyes, and respiratory tract upon prolonged exposure.
- Protective Measures: It is essential to use appropriate personal protective equipment (ЗІЗ), such as gloves and safety goggles, when handling DEHPA.
- Зберігання: Store in a cool, dry place away from incompatible materials. Ensure proper labeling and containment to prevent spills.
Екологічні міркування
- DEHPA may pose environmental risks if released into water systems, as it can be harmful to aquatic life. Proper disposal methods and spill prevention measures are necessary to mitigate this risk.
Висновок
з-(2-етилгексил) фосфорна кислота (DEHPA) is a vital chemical in various industrial applications, particularly in metal extraction and environmental remediation. With its favorable chemical properties, it plays an essential role in improving efficiency in metal recovery operations. Always ensure safe handling practices and consider environmental impacts when utilizing this compound. If you need more specific information or have further questions about DEHPA, feel free to ask!
