Description

(E)-1,2-Diphenyl-1,2-Ethenediol is a high-purity organic compound, also known as (E)-Hydrobenzoin, valued for its role as a versatile chiral building block and intermediate in fine chemical synthesis. Its defined stereochemistry and functional groups make it crucial for producing advanced materials and pharmaceuticals. This product is essential for research and development laboratories, pharmaceutical manufacturers, and specialty chemical producers seeking reliable, high-quality intermediates.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the synthesis of active pharmaceutical ingredients (APIs) and complex drug molecules.
• Ligand Precursor: Used in the preparation of chiral ligands for asymmetric catalysis and transition metal complexes.
• Fine Chemical Synthesis: Serves as a building block for the production of specialty chemicals, flavors, and fragrances.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the development of specialized polymeric materials.
• Academic & Industrial Research: Employed in methodological development and chemical research due to its well-defined stereochemistry.
• Agrochemical Synthesis: Intermediate in the production of certain advanced crop protection agents.

Basic Information

Product Name	(E)-1,2-Diphenyl-1,2-Ethenediol
CAS No.	42788-51-2
Molecular Formula	C14H14O2
Molecular Weight	214.26 g/mol
Synonyms	(E)-Hydrobenzoin; meso-Hydrobenzoin; (1E,2E)-1,2-Diphenylethane-1,2-diol; 1,2-Diphenyl-(E)-1,2-ethanediol; (E)-1,2-Dihydroxy-1,2-diphenylethylene; Diphenylethylene glycol; DL-Hydrobenzoin (common mixture); Stilbene glycol
EINECS	Contact for details

Quality Control

Our (E)-1,2-Diphenyl-1,2-Ethenediol is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and chiral analysis, to ensure it meets exacting standards for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	136 - 140 °C
Loss on Drying	≤ 0.5%
Specific Rotation	Contact for details
Heavy Metals	< 20 ppm

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