Product Core Data
1,2-Dibromobenzene CAS 583-53-9, C6H4Br2, Mw 235.91, is a colourless to pale-yellow liquid with a characteristic odour. The two bromine atoms in the ortho positions create unique steric and electronic effects, making it a versatile building block for organic synthesis and pharmaceutical manufacture.
Specifications & Quality Control
We supply ≥99.0 % purity (GC) produced by advanced fractional distillation under strict QC. Low moisture, low acid value and minimal impurities are guaranteed; every batch is GC-analysed and delivered with a COA for reliable lab-to-plant performance.
Key Applications
Pharmaceutical intermediates: antibiotics, antitumour agents, etc.
Agrochemicals: insecticide & fungicide precursors
Functional materials: monomer for liquid-crystal and high-performance polymers
Organic synthesis: dual-handle aryl source for complex targets
Flame retardants: additive for polymer flame-retardant systems
R&D: routine reagent in academic and industrial laboratories
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.This product is toxic，consult the Material Safety Data Sheet (MSDS) for detailed handling instructions.
Packaging, Logistics & Technical Services
We offer flexible packaging solutions: industrial-grade products in 250kg drums, and 100ml-500ml reagent-grade containers,with custom repackaging available on request.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.
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