Description

Benzaldehyde, 2-Bromo-4-Ethyl- CAS NO 1289148-61-3 is a halogenated benzaldehyde derivative, a versatile and high-value organic intermediate prized for its reactive aldehyde and bromine substituents. This compound is critical for introducing specific aromatic and electrophilic functionality into complex molecular architectures. It is primarily sought by research and development teams in the pharmaceutical and agrochemical sectors for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and anti-inflammatory pathways.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and pesticides, where the bromo-ethyl-benzaldehyde scaffold contributes to biological activity.
• Liquid Crystal & OLED Materials: Serves as a precursor in the manufacture of specialty chemicals for electronic displays and organic light-emitting diodes (OLEDs).
• Flavor & Fragrance Chemistry: Employed in the research and development of complex aromatic compounds for high-end fragrance and flavor applications.
• Organic Synthesis & Catalysis: Acts as a versatile electrophile in cross-coupling reactions (e.g., Suzuki, Heck) and other catalytic transformations in academic and industrial R&D.
• Polymer Modification: Utilized to introduce functional groups into polymer backbones, enhancing material properties for specialty coatings and resins.

Basic Information

Product Name	Benzaldehyde, 2-Bromo-4-Ethyl-
CAS No.	1289148-61-3
Molecular Formula	C9H9BrO
Molecular Weight	213.07 g/mol
Synonyms	2-Bromo-4-ethylbenzaldehyde; 4-Ethyl-2-bromobenzaldehyde; 2-Bromo-4-ethyl-benzaldehyde; (2-Bromo-4-ethylphenyl)methanal; Benzaldehyde, 2-bromo-4-ethyl-; 2-Bromo-4-ethylbenzenecarboxaldehyde
EINECS	Contact for details

Quality Control

Our Benzaldehyde, 2-Bromo-4-Ethyl- is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and batch-to-batch consistency suitable for sensitive R&D and scale-up processes. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is light-sensitive and easily oxidized; for long-term storage, consider under an inert atmosphere (e.g., nitrogen or argon) to maintain optimal purity and stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 97.0%
Purity (GC)	≥ 96.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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