Description

Thiophene, 2-(Bromomethyl)-5-Ethyl- (9Ci) is a high-value, multi-functional brominated thiophene derivative serving as a critical synthetic intermediate in advanced organic chemistry. Its molecular structure, featuring both a reactive bromomethyl group and an ethyl-substituted thiophene core, makes it indispensable for constructing complex heterocyclic systems and functional materials. This compound is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and materials science sectors for creating novel active ingredients and electronic components.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in developing molecules with thiophene-based pharmacophores.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where the thiophene ring contributes to biological activity.
• Organic Electronic Materials: Serves as a precursor for conjugated polymers and small molecules used in Organic Light-Emitting Diodes (OLEDs), Organic Photovoltaics (OPVs), and field-effect transistors (OFETs).
• Ligand and Catalyst Development: Employed to create specialized ligands for transition metal catalysis, enabling new synthetic methodologies.
• Chemical Research & Development: A versatile reagent for exploring new heterocyclic chemistry, cross-coupling reactions (e.g., Suzuki, Stille), and nucleophilic substitutions.
• Functional Material Modification: Used to introduce thiophene units into polymers or surfaces to alter electronic properties, solubility, or self-assembly behavior.

Basic Information

Product Name	Thiophene, 2-(Bromomethyl)-5-Ethyl- (9Ci)
CAS No.	442910-38-5
Molecular Formula	C7H9BrS
Molecular Weight	205.12 g/mol
Synonyms	2-(Bromomethyl)-5-ethylthiophene; 5-Ethyl-2-(bromomethyl)thiophene; 5-Ethylthiophene-2-methyl bromide; 2-Bromomethyl-5-ethylthiophene; (5-Ethyl-2-thienyl)methyl bromide; 5-Ethyl-2-thiophenemethyl bromide
EINECS	Contact for details

Quality Control

Every batch of 2-(Bromomethyl)-5-Ethylthiophene is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure the compound meets the exacting standards required for research and scale-up applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available for each lot upon request, supporting your regulatory and quality assurance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from strong bases and incompatible organic solvents. Due to its light-sensitive nature, handling and packaging should minimize exposure to direct light.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Assay (HPLC/GC)	≥ 97.0%
Purity (HPLC Area %)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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