Chlorobromopentane_1-Bromo-5-chloropentane_54512-75-3_High-Purity Halogenated Pentane_Pharmaceutical Intermediate

Product Core Parameters:

1-Bromo-5-chloropentane, also known as chlorobromopentane, CAS: 54512-75-3, molecular formula C5H10BrCl, molecular weight 185.49. This product is a colorless to pale yellow transparent liquid at room temperature and is an important mixed halogenated pentane. Due to the presence of both bromine and chlorine atoms in its molecular structure and its specific five-carbon chain, it exhibits unique reactivity and selectivity, making it widely used as a pharmaceutical intermediate and organic synthesis building block.

Specifications and Quality Control:

We provide high-purity 1-bromo-5-chloropentane with a standard specification of ≥99.0% (GC). Through multi-stage distillation processes and strict quality control, the product features low color, low moisture, low acid value, and low impurity content. Each batch is analyzed by gas chromatography (GC) to ensure stable and reliable product quality, meeting various needs from laboratory research to industrial production.

Main Application Areas:

1-Bromo-5-chloropentane is an important fine chemical intermediate with key applications including:

Pharmaceutical Intermediates: Used in the synthesis of important intermediates for antitumor drugs and nervous system drugs.

Pesticide Synthesis: Serves as a key raw material for the synthesis of insecticides, herbicides, and other pesticides.

Functional Materials: Used in the preparation of liquid crystal materials, polymer cross-linking agents, and other functional materials.

Organic Synthesis: Functions as a bifunctional reagent for the synthesis of heterocyclic compounds.

Research Reagents: Widely used in organic synthesis research at universities and research institutions.

Surfactants: Used in the synthesis of structurally specific surfactants.

Usage, Storage, and Safety Guidelines:

This product should be handled in a well-ventilated environment. It must be stored sealed, protected from light, and kept in a cool, dry place. Operators must wear protective gloves, goggles, and other personal protective equipment to avoid contact with skin and eyes. The product is irritating to the eyes and skin. Please refer to the MSDS (Material Safety Data Sheet) for detailed safety operating procedures before use.

Packaging, Logistics, and Technical Services:

We offer various packaging specifications: 250kg/drum for industrial use, as well as 100ml and 500ml reagent-grade packaging. Custom packaging services are also available. Each batch comes with a COA (Certificate of Analysis), MSDS (Material Safety Data Sheet), and other quality documents. Third-party testing reports can be provided upon request. Our professional technical team is available to provide product application support and technical assistance.

Supplier Strength: Why Global Customers Choose Yancheng Longsheng Chemical?

Focus and Experience: Since its establishment in 1991, Longsheng Chemical has dedicated over 30 years to the R&D, production, and global sales of fine chemical intermediates such as brominated and chlorinated alkanes, hydroxy esters, and aromatic hydrocarbons. As a key R&D and production base for organic bromine series products in China, our deep expertise in process technology ensures the highest product quality.

Production Capacity and Strategic Layout: Our headquarters and core production base are located in Yancheng, Jiangsu Province. To meet the growing global demand and enhance supply chain resilience, we established a wholly-owned subsidiary in Hebi, Henan Province, in 2024—Hebi Haige Longsheng New Materials Co., Ltd. This modern production base covers 370 acres with a total investment of 1 billion RMB. Upon full completion, the company’s total annual production capacity will exceed 50,000 tons. This strategic expansion significantly enhances our capacity assurance, delivery stability, and market responsiveness in the high-end intermediate sector, aiming to build a world-class fine chemical and new materials platform focused on "smart manufacturing + green environmental protection."

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

Global Market Recognition and 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. We have established long-term, stable strategic partnerships with many international pharmaceutical companies and multinational chemical groups. We understand that every collaboration marks the beginning of a responsibility.

Our Commitment:

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