UC272 Extractant
UC272 extractant belongs to acidic extractants in the category of organophosphorus extractants, with similar extractants including P204 and P507. Among them, P204 is widely used for extracting elements such as zinc, iron, and manganese, mainly in the early stage of impurity removal in the smelting process of ternary precursor materials. P507 is mostly used for the extraction and separation of nickel and cobalt as well as the smelting of rare earth elements. It is the most important acidic extractant and currently the primary extractant in the industrial enrichment and separation of battery-grade cobalt sulfate and light rare earth elements. UC272, as an upgraded product of P507, has a nickel-cobalt separation factor (7000) far higher than P507 (280) and P204 (14). It is widely used in the production of battery-grade nickel sulfate and battery-grade manganese sulfate and is a commonly used extractant in the production process of ternary battery materials. Additionally, compared to P204 and P507, UC272 has lower extraction acidity, is easy to strip, and has good selectivity for rare earths (especially heavy rare earths). It has evolved from being used for nickel-cobalt separation to the extraction and separation of rare earths, thereby promoting the rapid development of the rare earth industry.
Classification:
Key words:
UC272 Extractant
Key words:
Description
UC272 Extractant Product Manual
Basic Information ：
Product Name
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Bis (2,4,4- Trimethylpentyl ) Phosphinic Acid C272
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CAS Number
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83411-71-6 |
Molecular Formula
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C 16 H 35 O 2 P |
Molecular Weight
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290.43
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Purity
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≥ 99.0%
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Structural Formula
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|
Application
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Hydrometallurgical Extractant
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Transportation
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Handle with care, avoid impact, strictly no open flames
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Storage
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Store in a cool, ventilated, dry warehouse; protect from water and rain
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Physical and Chemical Properties:
Appearance
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Colorless liquid
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Density ( 25℃ )
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0.92 – 0.93 g/ml |
Viscosity ( 25℃ )
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≤ 180 cP s |
Viscosity ( 50℃ )
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≤ 60 cPs |
Solubility in distilled water ( pH 2.6 )
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≤ 16 mg/L |
Solubility in distilled water ( pH 3.7 )
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≤ 40 mg/L |
Flash Point (Closed Cup)
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≥ 13 0℃ |
Boiling Point ( 760 mmHg )
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≥ 300℃
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Pour Point
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≤ -20℃
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Specific Heat ( 52℃ )
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2.370 J/ g·K
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Thermal Conductivity (Room Temperature)
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0.168 W/m ·K
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Extraction Performance ：
Metal Extraction Order ( 0.6 M AquaXtract 272 , Diluent: D80， 0.015 M of M n+ ，40 ℃, Sulfate Medium, O/A = 1.0 , Contact Time: 5 min )
Non-Calcium Extraction Characteristics ：
When cobalt and calcium coexist in the feed solution, AquaXtract 272 extracts cobalt first then calcium, which avoids gypsum scaling in sulfate extraction systems, reduces emulsification, and thus decreases extractant loss; whereas in the same system, using P 204 and P 507 as extractants extracts calcium first then cobalt, resulting in poor cobalt-calcium separation and scaling during stripping.
Performance Parameters and Nickel-Cobalt Separation Factor
Extraction Rate
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≥ 98%
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Stripping Rate
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≥ 98%
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Nickel-Cobalt Separation Factor
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7000
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Phase Separation Time
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≤ 180 s
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Operating Temperature Range
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40 – 60℃ |
Maximum Applicable Concentration
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50% (v/v) |
Main Applications:
Function
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Application Fields
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Advantages
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Nickel-Cobalt Separation
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Laterite Nickel Ore
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High separation factor, low calcium scaling tendency, fewer extraction stages, low reagent consumption, high product purity.
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Heavy Rare Earth Separation
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Southern Heavy Rare Earths
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High separation factor, low stripping acidity, fewer extraction stages, low acid consumption.
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Lithium-Magnesium Separation
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Salt Lake Lithium Extraction
Secondary lithium-ion battery recycling
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The extraction rate of magnesium is significantly higher than that of traditional organophosphorus extractants P204 and P507 used for deep removal of magnesium from lithium.
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Nickel-magnesium separation
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Secondary lithium-ion battery recycling
Waste catalyst recycling
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High separation factor
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Cobalt-iron separation
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Secondary lithium-ion battery recycling
Waste catalyst recycling
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At lower acidity for Fe 3+ has a higher extraction rate and is easier to strip than P204 and P507易反萃。
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Nickel-iron separation
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Secondary lithium-ion battery recycling
Waste catalyst recycling
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At lower acidity for Fe 3+ has a higher extraction rate and is easier to strip than P204 and P507易反萃。
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User Notice:
Before use, users should carefully read this manual. Once used, it is deemed that the user acknowledges and accepts all contents of this manual. Please comply with the product instructions and relevant laws, regulations, and policies when using this product. The product instructions and formulation guidelines are for reference only. During use, users should conduct their own product tests before use to ensure the product meets their expectations and process requirements. Only use the product after the tests meet the requirements. Users commit to being responsible for their own actions and all consequences arising therefrom. The company will not bear legal responsibility for any losses caused by improper use or neglect of special usage conditions by the user.
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Related Products
UC272 is an acidic organophosphorus extractant; other members of this class include P204 and P507. P204 is widely used for the extraction of zinc, iron, manganese, and other elements, primarily in the early stages of smelting ternary precursor materials to remove impurities. P507 is mainly employed for the extraction and separation of nickel and cobalt as well as for the smelting of rare-earth elements; it is the most important acidic extractant and currently serves as the primary extractant in the industrial production of battery-grade cobalt sulfate and the enrichment and separation of light rare-earth elements. As an upgraded version of P507, UC272 boasts a nickel–cobalt separation factor of 7,000, significantly higher than that of P507 (280) and P204 (14). It is extensively used in the production of battery-grade nickel sulfate and battery-grade manganese sulfate and is a widely adopted extractant in the manufacturing of ternary battery materials. Moreover, compared with P204 and P507, UC272 requires a lower extraction acidity, is easier to back-extract, and exhibits excellent selectivity toward rare earths—particularly heavy rare earths. Consequently, its application has expanded from nickel–cobalt separation to the extraction and separation of rare earths, thereby driving rapid development in the rare-earth industry.
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