| Customization: | Available |
|---|---|
| CAS No.: | 1643-19-2 |
| Formula: | C16h36brn |
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Tetrabutylammonium bromide (TBAB)is a quaternary ammonium salt consisting of a tetrabutylammonium cation and a bromide anion. The tetrabutylammonium cation has a nitrogen atom surrounded by four butyl groups. It is widely used as a phase-transfer catalyst in organic synthesis, It can transfer reactants between different phases (such as between an aqueous phase and an organic phase), which greatly enhances the reaction rate and efficiency. It enables reactions that would otherwise be difficult or slow to occur smoothly between reactants in different phases. This property is widely used in various organic synthesis reactions, such as alkylation, oxidation, reduction, and condensation reactions, etc., making the synthesis process more convenient and efficient
Overview
Product name : Tetrabutylammonium bromide
CAS No. : 1643-19-2
Molecular Formula : C16H36BrN
EINECS NO. : 216-699-2
| Item | Specification |
| Appearance | White crystalline powder |
| Assay | ≥99.00% |
| Moisture | ≤500ppm |
| Purity | ≥99% |
25kg/fiber drum
Phase - transfer catalysis in organic synthesis
1)Alkylation reactions:
Tetrabutylammonium bromide (TBAB) is a highly effective phase - transfer catalyst for alkylation reactions. For example, in the alkylation of pheno-ls or amines, it can transfer the alkylating agent (such as an alkyl halide) from the organic phase to the aqueous phase where the pheno-l or amine is present. This transfer promotes the reaction between the two components, increasing the reaction rate and yield. In the synthesis of alkylated aromatic compounds, TBAB can play a crucial role in enhancing the selectivity and efficiency of the reaction.
2)Esterification reactions:
In esterification reactions between carboxylic acids and alcohols, TBAB can overcome the problem of low reactivity due to the immiscibility of the reactants. It helps to transfer the reactants between the two phases, leading to more efficient ester formation. For example, in the synthesis of esters for use in the fragrance or flavor industry, TBAB can be used to improve the reaction process.
3)Nucleophilic substitution reactions:
TBAB can assist in nucleophilic substitution reactions. It can transfer the nucleophile from the aqueous phase to the organic phase where the electrophilic substrate is located. For example, in the reaction between an alkyl halide in the organic phase and a nucleophile like a cyanide ion in the aqueous phase, TBAB can bring the two reactants together, facilitating the reaction.
Ion - pair chromatography
TBAB is widely used as an ion - pair reagent in ion - pair chromatography. In high - performance liquid chromatography (HPLC), it can form ion pairs with analytes that have opposite charges. For example, if the analyte is a negatively charged compound, TBAB (a positively charged quaternary ammonium salt) can form an ion pair with it. This ion - pair formation changes the retention behavior of the analyte on the chromatographic column, allowing for better separation and detection of the analyte. It is especially useful for the analysis of polar and ionic compounds, such as in the analysis of pharmaceutical compounds or environmental pollutants.
Electrochemistry
Supporting electrolyte:
In electrochemical systems such as batteries and electrochemical sensors, TBAB can be used as a supporting electrolyte. In non - aqueous electrochemistry, it provides ions to the electrolyte solution, improving the conductivity of the solution. For example, in some lithium - ion battery research using non - traditional electrolytes, TBAB - based electrolytes have been explored to improve battery performance. It helps in the transfer of charge between the electrodes and stabilizes the electrochemical potential of the system.
Synthesis of materials
TBAB can be used in the preparation of nanoparticles. For example, in the synthesis of metal nanoparticles (such as gold or silver nanoparticles), it can act as a stabilizer or a capping agent. It can control the growth rate and size of the nanoparticles by interacting with the surface of the nanoparticles during the synthesis process.
2)Polymer synthesis:
In the synthesis of some polymers, TBAB can play a role in controlling the polymerization reaction. It can affect the reaction rate and the molecular weight distribution of the polymers. For example, in the synthesis of conducting polymers, TBAB can help to improve the conductivity of the polymers by influencing the doping process.
Huashihang Chemical Group is China leading chemical company.
Jinan Huashihang Chemical Co., Ltd is its sales company with import and export authority. The company was founded in 2004, located in Jinan City, Shandong, China. It started from a small village collective factory, but has now developed into a large private enterprise group with a complete industrial chain.
Being focused on the research, development, production, trade and service of chemicals, Hushihang chemical is a specialized manufacturer and supplier of fine chemicals, cosmetic materials, daily chemicals and food additives.
The company has established a documented system consisting of manual, procedures and instructions, based on the requirements of ISO 9001:2008. The quality policy has been established, understood and maintained. Products are inspected to ensure their suitability to the requirements, and released for delivery only after checking the fulfillment of all specified requirements.
Q1: Could you offer sample?
A1: Yes,sample is available. We can send samples by couriers or air as client's requirements.
Q2: What is MOQ?
A2: It usually does not have MOQ requirement. We will offer the most cost-effective solution including price and delivery way according to purchasing quantities.
Q3: What is the delivery time?
A3: For non-hazardous,it usually has stock. It can be sent within 7 days. For hazardous chemical,it may be 1~2 weeks. If it is our regular product, the time will be earlier.
Q4: Can you provide relevant documents?
A4: Of course. Bill of loading,Commercial Invoice, Packing List, Origin of Certificate , insurance, COA and SDS are available. Besides, we can offer other documents Certificate of Fumigation, documents approved by CCPIT or Consulate,etc.
Q5: Do you accept third party inspection?
A5: Yes,we do.
Q6: What is your payment term?
A6: TT,LC,Paypal,Western Union, ACH wire are available.
Q7: Is DDU or DDP available?
A7: Yes.
Q8: Could you look for other products on China market and coload one container?
A8: Yes. We have warehouse support to accomplish this.
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