Bis (2-ethylhexyl) phosphate
Structural formula | |||||||||||||||||||
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Simplified structural formula - complex mixture of stereoisomers | |||||||||||||||||||
General | |||||||||||||||||||
Surname | Bis (2-ethylhexyl) phosphate | ||||||||||||||||||
other names |
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Molecular formula | C 16 H 35 O 4 P | ||||||||||||||||||
Brief description |
colorless liquid with a sweet odor |
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External identifiers / databases | |||||||||||||||||||
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properties | |||||||||||||||||||
Molar mass | 322.43 g mol −1 | ||||||||||||||||||
Physical state |
liquid |
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density |
0.97 g cm −3 |
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Melting point |
−50 ° C |
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boiling point |
48 ° C (16 hPa) |
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Vapor pressure |
<0.1 hPa (20 ° C) |
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solubility |
very sparingly soluble in water (<1 g l −1 at 20 ° C) |
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Refractive index |
1.4420 (20 ° C) |
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safety instructions | |||||||||||||||||||
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Toxicological data | |||||||||||||||||||
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . Refractive index: Na-D line , 20 ° C |
Bis (2-ethylhexyl) phosphate is a chemical compound from the group of phosphoric acid esters .
Extraction and presentation
Bis (2-ethylhexyl) phosphate can be obtained by reacting phosphorus oxychloride and 2-ethylhexanol in the presence of a catalyst .
properties
Bis (2-ethylhexyl) phosphate is a flammable, difficult to ignite, colorless liquid with a sweet odor that is very difficult to dissolve in water. It decomposes when heated above 240 ° C.
use
Bis (2-ethylhexyl) phosphate is used as a lubricant additive, corrosion inhibitor, and metal extractant. It is involved in the solvent extraction of uranium salts and rare earth metals . It is also used as a plasticizer and as a solvent in plastics synthesis.
Individual evidence
- ↑ a b c d e f g h i j k l Entry on bis (2-ethylhexyl) phosphate in the GESTIS substance database of the IFA , accessed on March 25, 2020(JavaScript required) .
- ↑ a b Data sheet bis (2-ethylhexyl) phosphate, 95% from AlfaAesar, accessed on March 25, 2020 ( PDF )(JavaScript required) .
- ↑ Google Patents: CN105440072A - Preparation method for bis (2-ethylhexyl) phosphate - Google Patents , accessed March 25, 2020.