Description

2,5-Dichlorophenethyl Bromide CAS NO 40173-98-6 is a versatile and high-purity brominated intermediate essential for advanced organic synthesis. This compound is critical for constructing complex molecular architectures, particularly in the development of active pharmaceutical ingredients (APIs) and specialty agrochemicals. It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for its reliable reactivity as a key building block.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of novel drug candidates, particularly those with phenethylamine-based structures.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and pesticides where the dichloro-substituted aromatic ring imparts specific biological activity.
• Ligand and Catalyst Preparation: Serves as a precursor for synthesizing specialized ligands used in transition metal catalysis and organometallic chemistry.
• Material Science Research: Employed in the development of organic semiconductors, liquid crystals, and advanced polymers requiring halogenated aromatic units.
• Custom Synthesis & Contract Manufacturing: A key starting material for custom synthesis projects and scale-up processes in fine chemical production.
• Academic & Industrial R&D: Used in research laboratories for methodological studies and the exploration of new carbon-carbon and carbon-heteroatom bond-forming reactions.

Basic Information

Product Name	2,5-Dichlorophenethyl Bromide
CAS No.	40173-98-6
Molecular Formula	C8H7BrCl2
Molecular Weight	268.95 g/mol
Synonyms	1-(2-Bromoethyl)-2,5-dichlorobenzene; 2-(2,5-Dichlorophenyl)ethyl Bromide; (2,5-Dichlorophenyl)ethyl Bromide; β-(2,5-Dichlorophenyl)ethyl Bromide; 2,5-Dichloro-β-bromoethylbenzene; 2,5-Dichlorophenethyl Bromide; 2,5-Dichloro-ω-bromoethylbenzene
EINECS	Contact for details

Quality Control

Our 2,5-Dichlorophenethyl Bromide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment. We adhere to cGMP principles where applicable to support our customers in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.