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Trioctyl/Decyl Tertiary Amine (N235/7301)

Trioctyl/Decyl Tertiary Amine, also known as N235/7301, is an organic compound used as an extractant in hydrometallurgical processes. It is commonly employed for the extraction and separation of metal ions from aqueous solutions.

CAS No.: 68814-95-9 

Molecular formula: (CnH2n+1)3N(n=8-10)

Properties: Colorless or light yellow transparent oily liquid at normal temperature, with density (20℃) 0.821 g/mL, refractive index 1.455 (Nd20), boiling point 466.2℃ and smell of ammonia.


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Precautions for N235/7301

Are There Any Safety Considerations When Working with N235/7301?

As with any chemical compound, it is important to handle N235/7301 with proper safety precautions. Users should refer to safety data sheets and follow recommended guidelines for storage, handling, and disposal to ensure safe use.

Can N235/7301 Be Recycled or Reused?

 Yes, N235/7301 can be recycled and reused. The organic phase containing N235/7301 can undergo regeneration and purification steps to remove impurities and contaminants, making it suitable for further extractions.


Structure Diagram of Trioctyl/Decyl Tertiary Amine (N235/7301)

CAS No.

68814-95-9

Molecular formula

(CnH2n+1) 3N (n=8-10)


Molecular structure diagram


Trioctyl/Decyl Tertiary Amine (N235/7301) of Molecular Structure Diagram


Properties: Colorless or light yellow transparent oily liquid at normal temperature, with density (20℃) 0.821 g/mL, refractive index 1.455 (Nd20), boiling point 466.2℃ and smell of ammonia.

Introduction of Trioctyl/Decyl Tertiary Amine (N235/7301)

01


Trioctyl/Decyl Tertiary Amine (N235/7301) finds applications in hydrometallurgical processes for the extraction and separation of metal ions. It is utilized for selective extraction of metals such as uranium, rare earth elements, and other valuable metals from aqueous solutions, contributing to the recovery and purification of these metals.


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Packing: 160 kg/galvanized iron drum.


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Storage and transportation: Handled with care during transportation to prevent impact. Stored in a cool, ventilated and dry warehouse, ensuring fire prevention and rainproof.

Specifications of Trioctyl/Decyl Tertiary Amine (N235/7301)

Item

Superior Grade

Industrial Grade

Appearance

Colorless or light yellow transparent liquid

Tertiary Amine Content %

≥97.0

≥95.0

Tertiary Amine Nitrogen Content %

≥3.3

≥3.2

Acid value mgKOH/g

128-142

128-142

Moisture %

≤0.3

≤0.3

Chroma (Pt-Co Color Number)

≤80

≤150


Function Principle of Trioctyl/Decyl Tertiary Amine (N235/7301)

01

Solvent Extraction: N235/7301 is dissolved in an organic solvent, typically a hydrocarbon-based diluent, to form an extractant solution. This solution is mixed with an aqueous solution containing metal ions.

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Metal-Ion Complex Formation: N235/7301 selectively interacts with specific metal ions in the aqueous phase, forming stable complexes. These complexes are more soluble in the organic solvent phase, facilitating their transfer.

03

Phase Separation: The organic phase, containing the metal-N235/7301 complexes, is separated from the aqueous phase. Various separation techniques like settling or centrifugation are employed to achieve a distinct phase separation.

04

Stripping and Recovery: The metal ions can be recovered from the organic phase by using suitable stripping agents or solutions. These agents break the metal-N235/7301 complexes, allowing for the release of metal ions into a new aqueous solution.

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Recycling and Reuse: The organic phase, which still contains N235/7301, can undergo regeneration and purification steps to remove impurities and contaminants. This purified extractant can be reused in further extraction processes.