Tetrabutylammonium bromide

Tetrabutylammonium Bromide_1643-19-2_High Purity Phase Transfer Catalyst_Organic Synthesis Reagent

Core Product Parameters:

Tetrabutylammonium bromide, also known as tetrabutylammonium bromide, CAS: 1643-19-2, molecular formula C16H36BrN, molecular weight 322.37. This product is a white to off-white crystalline powder at room temperature and is an important quaternary ammonium salt phase transfer catalyst. Due to its four butyl long-chain structures and bromide ion, it exhibits excellent phase transfer catalytic performance and solubility, widely used as a phase transfer catalyst and organic synthesis reagent.

Specifications and Quality Control:

We provide high-purity tetrabutylammonium bromide products, with a conventional specification of ≥99.0%. Through advanced crystallization processes and strict quality control, the product features low moisture and low impurity content. Each batch of products undergoes gas chromatography (GC) analysis to ensure stable and reliable quality, meeting various needs from laboratory research to industrial production.

Main Application Areas:

Tetrabutylammonium bromide is an important fine chemical product, with its main applications including:

Phase Transfer Catalysis: Used as an efficient phase transfer catalyst in various organic reactions

Pharmaceutical Intermediates: Used in the synthesis of antibiotics, antitumor drugs, and other pharmaceutical intermediates

Pesticide Synthesis: Used as a synthesis catalyst for pesticides such as insecticides and fungicides

Functional Materials: Used in the preparation of ionic liquids, specialty polymers, and other functional materials

Organic Synthesis: Used as an important catalyst in the construction of complex molecules

Electrochemistry: Used as a supporting electrolyte in electrochemical synthesis

Usage, Storage, and Safety Guidelines:

This product should be handled in a well-ventilated environment to avoid dust generation. It must be stored sealed, moisture-proof, and placed in a cool, dry place. Operators must wear protective gloves, masks, and other personal protective equipment to avoid inhaling dust. This product is irritating to the eyes and respiratory tract. Please carefully review the MSDS (Material Safety Data Sheet) before use for specific safety operating procedures.

Packaging, Logistics, and Technical Services:

We offer various packaging specifications: 25kg/drum for industrial packaging, as well as 100g and 500g reagent-grade packaging, with customized packaging services available. Each batch of products comes with quality documents such as COA (Certificate of Analysis) and MSDS (Material Safety Data Sheet), and third-party test reports can be provided upon request. We have a professional technical team to provide product application and technical support.

Supplier Strength: Why Global Customers Choose Longsheng Chemical?

Focus and Experience Accumulation: Since its establishment in 1991, Longsheng Chemical has focused for over thirty years on the R&D, production, and global sales of fine chemical intermediates such as brominated and chlorinated alkanes, hydroxy esters, and aromatic hydrocarbons. It is an important R&D and production base for organic bromine series products in China. Our deep process knowledge is the strongest guarantee of product quality.

Production Capacity and Strategic Layout Assurance: The company headquarters and core production base are located in Yancheng City, Jiangsu Province. To meet the growing global market demand and strengthen supply chain resilience, we established a wholly-owned subsidiary in Hebi City, Henan Province, in 2024—Hebi Haige Longsheng New Materials Co., Ltd. This new modern production base covers 370 acres with a total investment of 1 billion CNY. Once fully operational, the company's total annual production capacity will exceed 50,000 tons. This strategic layout significantly enhances our production capacity assurance, delivery stability, and market responsiveness in the high-end intermediates sector, aiming to build a world-class fine chemical new materials industrial platform with "intelligent manufacturing + green environmental protection."

International Standard Quality System: The company strictly implements and continuously maintains the ISO 9001:2015 quality management system and ISO 14001:2015 environmental management system. It has passed the internationally recognized SEDEX (SMETA) social responsibility audit, and many of its products have completed formal registration under the EU REACH regulation, ensuring smooth access to the international market. Our quality control center is equipped with advanced testing instruments such as gas chromatographs (GC), automatic Karl Fischer moisture titrators (KF Titrator), and UV spectrophotometers (UV Spectrophotometer), establishing a comprehensive QA/QC system for full-process quality traceability and strict control from raw material intake to production process control and finished product release.

Global Market Recognition and Cooperative Reputation: Longsheng Chemical's products and services have gained widespread trust from global customers. Our products are steadily exported to Europe, North America, Japan, South Korea, Taiwan (China), India, Southeast Asia, and other regions and countries. We have established long-term, stable strategic partnerships with many international large pharmaceutical companies and multinational chemical groups. We understand that every cooperation is the beginning of responsibility.

Our Commitment:

Yancheng Longsheng Chemical Co., Ltd. not only sells products but is also committed to providing stable and reliable high-quality products, competitive prices, fast and efficient logistics response, and professional and timely technical services. We look forward to becoming your trusted, long-term strategic partner in the field of fine chemical intermediates. Welcome to inquire and discuss cooperation.