Description

trans-4-Chlorostilbene is a high-purity organic compound belonging to the stilbene class, characterized by its distinct chlorinated aromatic structure. This compound serves as a valuable intermediate and building block in advanced organic synthesis and materials research. It is essential for industries focused on developing pharmaceuticals, agrochemicals, and functional organic materials where precise molecular architecture is critical.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Research: Used in developing advanced herbicides, fungicides, and plant growth regulators.
• Organic Light-Emitting Diodes (OLEDs): Acts as a precursor or core structure for electron-transport or emissive layer materials.
• Liquid Crystal & Advanced Material Synthesis: Serves as a rigid-rod mesogen precursor for liquid crystal displays and specialty polymers.
• Chemical Research & Development: A versatile reagent for studying structure-activity relationships, cross-coupling reactions, and photochemical properties.
• Fluorescent Probe & Dye Synthesis: Utilized as a starting material for creating fluorescent tags and molecular sensors.

Basic Information

Product Name	trans-4-Chlorostilbene
CAS No.	4714-23-2
Molecular Formula	C14H11Cl
Molecular Weight	214.69 g/mol
Synonyms	(E)-1-Chloro-4-(2-phenylethenyl)benzene; (E)-4-Chlorostilbene; 4-Chloro-trans-stilbene; trans-p-Chlorostilbene; 1-Chloro-4-[(E)-2-phenylethenyl]benzene; (E)-1-Chloro-4-styrylbenzene; NSC 404071
EINECS	225-212-6

Quality Control

Our trans-4-Chlorostilbene is manufactured under strict quality management systems. Every 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 each shipment to guarantee batch-to-batch consistency and compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0% (Area %)
Isomeric Purity (trans-isomer)	≥ 99.0%
Melting Point	135 - 139 °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.