1,4-Dibromobutane (1,4-DBB) CAS No.: 110-52-1,Molecular formula: C4H8Br2,M.W.: 215.91, is a colourless to slight yellow clear liquid.1,4-Dibromobutane is the important dihaloalkanes.Due to its two active bromine atoms and specific four carbon chain structure,1,4-Dibromobutane shows high reactivity and is widely used as an intermediate in organic synthesis and as a cyclization reagent.

Specifications & Quality Control

We provide high-purity 1,4-Dibromobutane with a standard specification of ≥ 99.0% (GC). Through strict quality control, the product has the characteristics of low color (APHA), low moisture (determined by Karl Fischer method), low acid value, and low free bromine content. Each batch is analyzed by capillary GC to guarantee consistent, reliable quality, meeting requirements from laboratory R&D to full industrial production.

Main Applications

1,4-Dibromobutane is an important fine chemical intermediate. Its main applications include: 

Pharmaceutical Intermediates:

Used to synthesize important pharmaceutical intermediates such as antineoplastic agents and central-nervous-system drugs.

Agrochemicals:

Key raw material for insecticides and herbicides.

Functional Materials:

Used for producing functional materials such as liquid crystal materials and polymer cross-linkers.

Organic Synthesis:

Used as the cyclization reagent for the construction of heterocyclic compounds.

R&D & Experiment:

Used in organic synthesis research at universities and research institutes.

Surfactants:

Used in the synthesis of surfactants with special architectures.

Use, Storage & Safety

This product is recommended to be operated in a well ventilated environment and should be sealed, away from light, and placed in a cool and dry place.Operators must wear protective gloves, safety goggles and other appropriate PPE; avoid contact with skin and eyes. Consult the Material Safety Data Sheet (MSDS) for detailed handling instructions.

Packaging, Logistics & Technical Services

We offer flexible packaging solutions: industrial-grade products in 250 kg drums, plus laboratory sizes of 100 ml and 500 ml reagent bottles. Each shipment is accompanied by a Certificate of Analysis (COA) and Material Safety Data Sheet (MSDS), and third-party test reports can be provided on request. A dedicated technical team stands ready to provide you with product applications and technical support.

Why Do Global Customers Choose Longshen Chemical?

Focus & Proven Expertise
Founded in 1991, Longshen Chemical has spent more than three decades focusing on the R&D, manufacture and global sales of brominated & chlorinated alkanes, hydroxy-esters, aromatic hydrocarbons and other fine-chemical intermediates. We are one of China’s largest development and production hubs for organo-bromine derivatives, and our deep-rooted process know-how is the most solid guarantee of consistent, high-quality products.

Capacity & Strategic Footprint
Headquartered in Yancheng, Jiangsu, we launched a wholly-owned subsidiary—Hebi Higer Longshen New Materials Co.,Ltd—in Hebi, Henan in 2024 to meet growing global demand and reinforce supply-chain resilience. The new, state-of-the-art site covers 284600 square meters with a total investment of RMB 1 billion. Upon full commissioning, group-wide annual capacity will exceed 50 000 t, dramatically boosting our ability to deliver high-end intermediates on time. The plant is designed as a world-class “smart + green” fine-chemical platform.

International-Standard Quality Systems
Longshen strictly maintains ISO 9001:2015 and ISO 14001:2015 certifications, has passed the SEDEX (SMETA) social-responsibility audit, and has successfully completed EU REACH registrations for key products. Our QC center is equipped with GC, KF titrators, UV spectrophotometers and other advanced instruments, enabling full QA/QC traceability from raw-material intake to finished-product release.

Global Recognition & Partnerships
Our products and services are trusted worldwide, with stable exports to Europe, North America, Japan, Korea, Taiwan, India and Southeast Asia. We have long-term strategic agreements with major international pharmaceutical and chemical groups. We regard every order as the beginning of a lasting responsibility.

Our Commitment
Yancheng Longshen Chemical Ltd. supplies more than molecules—we deliver reliable quality, competitive pricing, fast logistics and technical support. We aim to be your dependable, long-term strategic partner in fine-chemical intermediates. Welcome to inquire and cooperate with us.