Description

(R,R)-(+)-Hydrobenzoin is a high-purity chiral diol compound, specifically the (R,R)-enantiomer of 1,2-diphenyl-1,2-ethanediol. This compound matters as a versatile chiral building block and resolving agent, essential for inducing stereoselectivity in asymmetric synthesis. It is needed by pharmaceutical R&D laboratories, fine chemical manufacturers, and academic research institutions for applications in catalysis, ligand synthesis, and the preparation of enantiomerically pure intermediates.

Application

• Chiral Ligand and Catalyst Synthesis: Serves as a precursor for the preparation of chiral ligands used in asymmetric hydrogenation and other enantioselective catalytic reactions.
• Pharmaceutical Intermediate: A key starting material or resolving agent in the synthesis of enantiomerically pure active pharmaceutical ingredients (APIs).
• Asymmetric Synthesis: Used as a chiral auxiliary or building block to construct complex molecules with defined stereochemistry in fine chemical production.
• Analytical Chemistry: Employed as a standard for chiral chromatography method development and for calibrating optical rotation instruments.
• Material Science Research: Investigated for the development of chiral polymers, crystals, and other advanced materials with specific optical properties.

Basic Information

Product Name	(R,R)-(+)-Hydrobenzoin
CAS No.	52340-78-0
Molecular Formula	C14H14O2
Molecular Weight	214.26 g/mol
Synonyms	(R,R)-1,2-Diphenyl-1,2-ethanediol; (R,R)-(+)-1,2-Diphenylethane-1,2-diol; (+)-(R,R)-Hydrobenzoin; (R,R)-Hydrobenzoin; (R,R)-Stilbenediol; (R,R)-Diphenylethylene glycol; (R,R)-Diphenylglycol; (1R,2R)-(+)-Hydrobenzoin
EINECS	Contact for details

Quality Control

Our (R,R)-(+)-Hydrobenzoin is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high chemical and enantiomeric purity, meeting the stringent requirements for research and process chemistry. A comprehensive Certificate of Analysis (COA) detailing identity, purity (HPLC/Chiral HPLC), optical rotation, and physical characteristics is provided with every shipment.

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.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0% ee
Optical Rotation [α]D20	+92° to +96° (c=1 in ethanol)
Melting Point	136°C - 140°C

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