Trioctylphosphine oxide CAS 78-50-2
Trioctylphosphine oxide
Tri-n-octylphosphine oxide (abbreviated as TOPO) is an organic phosphorus compound. Its main application is as an industrial extractant, often used for the separation and recovery of rare metals such as uranium and thorium from ores, as well as the extraction of precious metals (such as palladium and platinum) from waste catalysts; it can also be used as a heat stabilizer in polymer processing to enhance the material's high-temperature resistance.
Product Details
| Items | Specifications |
| Content | ≥95.0% |
| Appearance | White solid candle |
| Density(24℃) | 0.86～0.92g/ml |
| Melting point | 47-52℃ |
Product superiority
1. Selective extraction: It has outstanding complexation ability for metal ions such as uranium, thorium, and precious metals (palladium, platinum), and can precisely separate target substances in complex systems with high extraction efficiency.
2. Good chemical stability: Resistant to acids and temperatures (does not decompose easily at high temperatures), suitable for strong acidic extraction systems (such as mineral leaching solutions), with a long service life.
3. Excellent compatibility: Can be miscible with organic solvents such as kerosene and alkanes, easily forming a stable extraction system, without the need for additional solubilizers.
Application scenarios
1. Rare metal extraction:
Uranium ore/thorium ore wet metallurgy: Separating and enriching uranium and thorium elements from acidic leaching solutions is a commonly used extraction agent for recycling raw materials in the nuclear industry.
Precious metal recovery: Extracting palladium, platinum and other precious metals from waste catalysts and electronic waste to reduce resource waste.
2. Polymer processing:
As a heat stabilizer for polyolefins and engineering plastics, it inhibits the degradation of materials during high-temperature processing, improving the heat resistance and service life of products.
3. Analysis and testing:
Used in laboratories for the enrichment and separation of metal ions, assisting in the qualitative and quantitative analysis of trace metals.
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