Description

(E)-1,2-Diphenyl-1-Chloroethene is a high-purity, synthetic organic compound belonging to the class of chlorinated styrene derivatives. This chemical serves as a versatile and critical intermediate in advanced organic synthesis, enabling the creation of complex molecular architectures. It is primarily sought by pharmaceutical R&D and fine chemical manufacturers for applications in medicinal chemistry and material science.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with a diphenylethylene core.
• Organic Synthesis Reagent: Used in cross-coupling reactions, such as Heck reactions, and as a precursor for generating other functionalized stilbene derivatives.
• Material Science Research: Investigated as a monomer or precursor for specialty polymers and advanced organic materials with specific optical or electronic properties.
• Agrochemical Synthesis: Employed in the research and development of novel crop protection agents and herbicides.
• Liquid Crystal & OLED Precursor: Serves as a starting material in the synthesis of organic semiconductors and liquid crystal compounds for display technologies.
• Laboratory Chemical: Used in academic and industrial research settings for methodological studies and the development of new synthetic pathways.

Basic Information

Product Name	(E)-1,2-Diphenyl-1-Chloroethene
CAS No.	948-98-1
Molecular Formula	C14H11Cl
Molecular Weight	214.69 g/mol
Synonyms	(E)-Chlorostilbene; trans-1-Chloro-1,2-diphenylethylene; trans-α-Chlorostilbene; (E)-α-Chlorostilbene; 1,2-Diphenyl-1-chloroethylene; (E)-1-Chloro-1,2-diphenylethene; NSC 406913; (E)-1-Chloro-2-phenylethenylbenzene
EINECS	213-440-7

Quality Control

Our (E)-1,2-Diphenyl-1-Chloroethene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and isomeric integrity. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee batch-to-batch consistency for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 98.0%
(Z)-Isomer Content (HPLC)	≤ 1.0%
Melting Point	65 - 68 °C
Heavy Metals	≤ 20 ppm

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