ของ-(2-เอทิลเฮกซิล) phosphoric Acid also be named DEHPA or HDEHP, abbreviated as P204, it is widely used for metal extraction.
Chemical Information:
- Common Names: ของ-(2-เอทิลเฮกซิล) กรดฟอสฟอริก, เดปา, เอชดีเอชพี
- CAS Number: 298-07-7
- EINECS Number: 206-056-4
- สูตรเคมี: C16H35O4P
- Molar Mass: 322.43 กรัม/โมล
- ความหนาแน่น: 0.972 กรัม/มิลลิลิตร
- Melting Point: -50องศาเซลเซียส
- Boiling Point: 393องศาเซลเซียส
- เนื้อหา: 96.99%
ภาพรวม
ของ-(2-เอทิลเฮกซิล) กรดฟอสฟอริก (เดปา) 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
- รูปร่าง: Colorless to pale yellow liquid
- ความสามารถในการละลาย: Soluble in organic solvents (เช่น, hexane, toluene) but poorly soluble in water
- ความหนืด: Viscous liquid at room temperature
การใช้งาน
- การสกัดโลหะ:
- Widely used for extracting rare earth elements, ยูเรเนียม, and other heavy metals from ores and waste streams through solvent extraction techniques.
- แหล่งน้ำ:
- 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.
ความปลอดภัยและการจัดการ
- 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 (ชุดป้องกันส่วนบุคคล), such as gloves and safety goggles, when handling DEHPA.
- พื้นที่จัดเก็บ: Store in a cool, dry place away from incompatible materials. Ensure proper labeling and containment to prevent spills.
ข้อพิจารณาด้านสิ่งแวดล้อม
- 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.
บทสรุป
ของ-(2-เอทิลเฮกซิล) กรดฟอสฟอริก (เดปา) 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!
