Description

1,2-Dibromo-1,2-Diphenylethane is a high-purity brominated organic compound, also known as stilbene dibromide, valued for its role as a versatile synthetic intermediate. Its primary commercial significance lies in its ability to undergo dehydrobromination to form diphenylacetylene, a key building block in materials science and pharmaceutical synthesis. This product is essential for R&D chemists and process engineers in the fine chemical, advanced material, and agrochemical sectors seeking reliable, high-quality intermediates for complex organic transformations.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of active pharmaceutical ingredients (APIs) and complex organic molecules.
• Material Science Research: Used in the preparation of diphenylacetylene and other acetylene derivatives for organic electronic materials and liquid crystals.
• Agrochemical Synthesis: Acts as a building block for developing novel crop protection agents and herbicides.
• Organic Synthesis & Catalysis: Employed in cross-coupling reactions and as a substrate for developing new catalytic methodologies.
• Academic & Industrial R&D: A fundamental reagent for research in synthetic organic chemistry and process development.
• Fine Chemical Production: Utilized in the manufacture of specialty chemicals, dyes, and pigments.

Basic Information

Product Name	1,2-Dibromo-1,2-Diphenylethane
CAS No.	13440-24-9
Molecular Formula	C14H12Br2
Molecular Weight	340.05 g/mol
Synonyms	Stilbene Dibromide; meso-1,2-Dibromo-1,2-diphenylethane; 1,2-Dibromo-1,2-diphenylethane; Dibromostilbene; (R*,S*)-1,2-Dibromo-1,2-diphenylethane; 1,1'-(1,2-Dibromoethane-1,2-diyl)dibenzene; NSC 67672
EINECS	236-577-6

Quality Control

Our 1,2-Dibromo-1,2-Diphenylethane is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee traceability and batch-to-batch consistency.

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 bases and reducing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	236 - 240 °C
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm

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