Description

(+/-)-Hydrobenzoin CAS NO 655-48-1 is a versatile organic compound belonging to the class of 1,2-diols, specifically the racemic mixture of the meso and d,l forms of 1,2-diphenyl-1,2-ethanediol. This compound serves as a valuable chiral building block and intermediate in asymmetric synthesis and pharmaceutical research. It is particularly significant for its role in the preparation of chiral ligands, auxiliaries, and as a precursor for various fine chemicals. Key industries that utilize this material include pharmaceutical development, agrochemical research, and academic laboratories focused on stereochemistry and catalysis.

Application

• Chiral Ligand Synthesis: A key precursor for the preparation of chiral phosphines, oxazolines, and other ligands used in asymmetric catalysis.
• Pharmaceutical Intermediates: Serves as a building block in the synthesis of optically active drug candidates and active pharmaceutical ingredients (APIs).
• Polymer Chemistry: Used as a monomer or chain extender in the synthesis of specialty polymers with specific stereochemical properties.
• Analytical Chemistry: Employed as a standard or resolving agent in chiral separation techniques like HPLC.
• Organic Synthesis Research: A fundamental substrate for studying stereoselective reactions, including dihydroxylation and pinacol coupling.
• Agrochemical Development: Intermediate in the synthesis of chiral herbicides, fungicides, and plant growth regulators.

Basic Information

Product Name	(+/-)-Hydrobenzoin
CAS No.	655-48-1
Molecular Formula	C14H14O2
Molecular Weight	214.26 g/mol
Synonyms	DL-Hydrobenzoin; (±)-Hydrobenzoin; rac-Hydrobenzoin; 1,2-Diphenyl-1,2-ethanediol (racemic); meso-Hydrobenzoin; Diphenylethylene glycol; Stilbene glycol; 1,2-Diphenylethane-1,2-diol; Benzoin alcohol (hydrogenated)
EINECS	211-489-5

Quality Control

Our (+/-)-Hydrobenzoin is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for research and industrial synthesis. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided and available upon request. We adhere to relevant industry guidelines to ensure product consistency and reliability for your critical applications.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	134 - 138 °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.