Description

(2E)-2-Benzylidene-3,4-Dihydronaphthalen-1-One CAS NO 57558-64-2 is a specialized organic compound belonging to the class of α,β-unsaturated ketones, specifically a chalcone derivative. This chemical serves as a versatile synthetic intermediate and building block for the development of more complex molecular architectures. It is primarily sought after by research and development teams in the pharmaceutical and advanced materials sectors. Its unique conjugated structure makes it valuable for applications in organic synthesis and as a precursor for functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting inflammation, cancer, and central nervous system disorders.
• Organic Light-Emitting Diode (OLED) Materials: Used as a core structure in the development of organic semiconductors and emissive layers due to its conjugated π-system.
• Nonlinear Optical (NLO) Materials: Serves as a precursor for compounds with potential applications in photonics and electro-optics.
• Chemical Research & Development: Employed as a standard or starting material in organic synthesis for studying cyclization reactions and heterocycle formation.
• Dye & Pigment Synthesis: Acts as an intermediate in the production of specialized colorants and fluorescent markers.
• Agrochemical Research: Investigated as a scaffold for developing new active ingredients with herbicidal or fungicidal properties.

Basic Information

Product Name	(2E)-2-Benzylidene-3,4-Dihydronaphthalen-1-One
CAS No.	57558-64-2
Molecular Formula	C₁₇H₁₄O
Molecular Weight	234.29 g/mol
Synonyms	2-Benzylidene-1-tetralone; (E)-2-Benzylidene-3,4-dihydronaphthalen-1(2H)-one; 1(2H)-Naphthalenone, 3,4-dihydro-2-(phenylmethylene)-, (2E)-; 2-(Benzylidene)-1-tetralone; α-Benzylidene-α-tetralone; Chalcone derivative; Tetralone chalcone
EINECS	Contact for details

Quality Control

Our (2E)-2-Benzylidene-3,4-Dihydronaphthalen-1-One is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications and test results are provided and available upon request. We are committed to meeting the stringent requirements of research and industrial applications.

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 light-sensitive nature and propensity for oxidation, it is recommended to store the material under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
Melting Point	105 - 110 °C
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.