2-ethylhexyl hydrogen -2-ethylhexylphosphonate
2-ethylhexyl hydrogen -2-ethylhexylphosphonate
CAS: 14802-03-0
Molecular Formula: C16H35O3P
2-ethylhexyl hydrogen -2-ethylhexylphosphonate - Names and Identifiers
2-ethylhexyl hydrogen -2-ethylhexylphosphonate - Physico-chemical Properties
| Molecular Formula | C16H35O3P |
| Molar Mass | 306.42 |
| Density | 0.953±0.06 g/cm3(Predicted) |
| Boling Point | 390.6±25.0 °C(Predicted) |
| Flash Point | 173°C(lit.) |
| pKa | 2.95±0.10(Predicted) |
| Refractive Index | 1.4480-1.4520 |
| Physical and Chemical Properties | Chemical properties yellow liquid. Soluble in kerosene, petroleum ether, alcohol, insoluble in water. |
| Use | Use 1, rare earth metal separation and extraction agent. 2. An acidic phosphorus type extractant for the extraction and separation of rare earth elements and non-ferrous metals. |
2-ethylhexyl hydrogen -2-ethylhexylphosphonate - Risk and Safety
| UN IDs | 3265 |
| HS Code | 29349990 |
| Hazard Class | 8 |
| Packing Group | III |
2-ethylhexyl hydrogen -2-ethylhexylphosphonate - A preliminary study on the extraction of indium with 2-ethylhexyl phosphate
from hownet
Author:
Abstract:
The performance of 2-ethylhexyl 2-ethylhexyl phosphate in indium extraction was studied, such as hydrogen ion concentration, extractant concentration, salting-out agent concentration, the effect of indium concentration and other factors on the extraction was studied. The results show that indium can be extracted quantitatively under suitable conditions. On the other hand, in the case where the concentration of the hydrohalic acid is high, indium can be extracted, but not quantitatively. With sulfuric acid or hydrochloric acid can be quantitative back extraction.
Key words:
ethylhexyl Ester methyl isobutyl ketone diluent BACK extraction extraction distribution ratio hydrogen ion concentration extraction rate organic phase hydrohalic acid ion exchange mechanism
DOI:
CNKI:SUN:ZXJS.0.1983-06-004
cited:
year:
1983
Last Update：2024-01-02 23:10:35
2-ethylhexyl hydrogen -2-ethylhexylphosphonate - Study on the mechanism of extraction of aluminium nitrate with 2-ethylhexyl phosphate mono (2-ethylhexyl) Ester in nitric acid system
from VIP Journal Professional Edition
Author:
Abstract:
The Extraction Mechanism of aluminum nitrate by HEH(EH)P in nitric acid system was studied by partition equilibrium method and saturation method, and the extraction equilibrium constants were calculated.
Key words:
extraction; Extraction mechanism; HEH(EH)P; aluminium
DOI:
CNKI:SUN:WFGB.0.1999-03-003
year:
1999
Last Update：2023-08-16 22:05:47
2-ethylhexyl hydrogen -2-ethylhexylphosphonate - Introduction
2-ethylhexyl hydrogen -2-ethylhexyl phosphate (English name: diethylhexyl phosphate), also known as DOP, is an organic phosphate compound.
In terms of nature, 2-ethylhexyl hydrogen-2-ethylhexylphosphate is a colorless to yellow liquid with a weak special aroma. It has low water solubility and is easily soluble in organic solvents such as ethanol, benzene and ethyl acetate. It is a flammable liquid that can dissolve many plastics and resins.
In Terms of Use, 2-ethylhexyl hydrogen-2-ethylhexylphosphate is mainly used as a plasticizer, especially for polyvinyl chloride (PVC) materials. It can increase the flexibility, ductility and cold resistance of PVC, and improve its processing performance and comprehensive performance. In addition, it can also be used in a variety of rubber, synthetic fibers, dyes and coatings industries.
In terms of preparation, 2-ethylhexyl hydrogen-2-ethylhexylphosphate is usually obtained by reacting ethanol and adipic acid with phosphoric acid. As a specific preparation method, various methods such as a transesterification reaction, an acid-catalyzed reaction or an ester oximation reaction can be used.
In terms of safety information, 2-ethylhexyl hydrogen-2-ethylhexylphosphate is relatively stable under general conditions, but decomposition reactions may occur at high temperatures and in the presence of strong acids and alkalis. Avoid contact with heat and fire sources during use, and pay attention to avoid smoke and irritating gases. It has a stimulating and degreasing effect on the skin, and attention should be paid to protective measures to avoid contact with the skin. At the same time, care should be taken to avoid contact with oxidants and strong oxidizing substances during storage and use to prevent fire and explosion.
In terms of nature, 2-ethylhexyl hydrogen-2-ethylhexylphosphate is a colorless to yellow liquid with a weak special aroma. It has low water solubility and is easily soluble in organic solvents such as ethanol, benzene and ethyl acetate. It is a flammable liquid that can dissolve many plastics and resins.
In Terms of Use, 2-ethylhexyl hydrogen-2-ethylhexylphosphate is mainly used as a plasticizer, especially for polyvinyl chloride (PVC) materials. It can increase the flexibility, ductility and cold resistance of PVC, and improve its processing performance and comprehensive performance. In addition, it can also be used in a variety of rubber, synthetic fibers, dyes and coatings industries.
In terms of preparation, 2-ethylhexyl hydrogen-2-ethylhexylphosphate is usually obtained by reacting ethanol and adipic acid with phosphoric acid. As a specific preparation method, various methods such as a transesterification reaction, an acid-catalyzed reaction or an ester oximation reaction can be used.
In terms of safety information, 2-ethylhexyl hydrogen-2-ethylhexylphosphate is relatively stable under general conditions, but decomposition reactions may occur at high temperatures and in the presence of strong acids and alkalis. Avoid contact with heat and fire sources during use, and pay attention to avoid smoke and irritating gases. It has a stimulating and degreasing effect on the skin, and attention should be paid to protective measures to avoid contact with the skin. At the same time, care should be taken to avoid contact with oxidants and strong oxidizing substances during storage and use to prevent fire and explosion.
Last Update：2024-04-23 11:31:03
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