Description

1-Bromo-4-Ethylnaphthalene is a high-purity, halogenated naphthalene derivative serving as a versatile and critical building block in advanced organic synthesis. This compound is valued for its role in constructing complex molecular architectures, particularly in the development of specialty chemicals and functional materials. It is primarily sought by R&D chemists and process development teams in the pharmaceutical, agrochemical, and material science industries for applications requiring precise bromination and ethyl-substituted naphthalene frameworks.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs) and complex drug candidates, particularly those with naphthalene-based cores.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and plant growth regulators requiring specific halogenated aromatic structures.
• Organic Light-Emitting Diodes (OLEDs): Serves as a building block for electron-transport materials and host materials in the development of next-generation display and lighting technologies.
• Liquid Crystal & Polymer Chemistry: Employed in the synthesis of monomers and additives for high-performance polymers and liquid crystal displays (LCDs).
• Chemical Research & Development: A valuable reagent for cross-coupling reactions (e.g., Suzuki, Heck) and other catalytic transformations in academic and industrial R&D settings.
• Dye & Pigment Manufacturing: Acts as an intermediate in the production of specialized dyes, pigments, and optical brighteners.

Basic Information

Item	Details
Product Name	1-Bromo-4-Ethylnaphthalene
CAS No.	67668-17-1
Molecular Formula	C₁₂H₁₁Br
Molecular Weight	235.12 g/mol
Synonyms	4-Ethyl-1-bromonaphthalene; 1-Bromo-4-ethyl-naphthalene; NSC 406914; 1-Bromo-4-ethylnaphthalene; 4-Ethyl-1-bromonaphthalene; 1-Bromo-4-ethylnaphthalene; 4-Ethylnaphthalen-1-yl bromide
EINECS	Contact for details

Quality Control

Our 1-Bromo-4-Ethylnaphthalene is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to verify identity, potency, and impurity profiles. Certificates of Analysis (COA) documenting all critical quality attributes 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 room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be amber or opaque.

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
Heavy Metals	< 20 ppm
Residual Solvents (GC)	Complies with ICH guidelines

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