Description

(R)-(-)-1,2-Diphenylethanol CAS NO 41822-67-7 is a high-purity chiral alcohol and a valuable building block in asymmetric synthesis. Its defined stereochemistry is critical for producing enantiomerically pure compounds, ensuring high efficacy and specificity in advanced applications. This product is essential for research and production in the pharmaceutical, agrochemical, and specialty chemical industries, where precise molecular configuration dictates performance.

Application

• Chiral Intermediate in Pharmaceutical Synthesis: A key precursor for active pharmaceutical ingredients (APIs), particularly in the development of cardiovascular and central nervous system drugs.
• Asymmetric Catalyst Ligand Synthesis: Used to construct sophisticated ligands for transition metal catalysts employed in enantioselective hydrogenation and cross-coupling reactions.
• Agrochemical Active Ingredient Development: Serves as a chiral synthon for creating enantiopure herbicides, fungicides, and plant growth regulators with improved environmental profiles.
• Fine Chemical and Flavor & Fragrance Manufacturing: Employed in the synthesis of complex, stereochemically defined aroma chemicals and specialty fine chemicals.
• Academic and Industrial R&D: A fundamental reagent for methodological development in organic chemistry and process optimization studies.
• Material Science Research: Investigated as a monomer or modifying agent for creating chiral polymers and advanced functional materials.

Basic Information

Product Name	(R)-(-)-1,2-Diphenylethanol
CAS No.	41822-67-7
Molecular Formula	C14H14O
Molecular Weight	198.26 g/mol
Synonyms	(R)-1,2-Diphenylethanol; (R)-(-)-Hydrobenzoin; (R,R)-(-)-1,2-Diphenyl-1,2-ethanediol; (R)-1,2-Diphenyl-1,2-ethanediol; (R)-Stilbene glycol; (R)-Diphenylethylene glycol; (1R,2R)-1,2-Diphenylethane-1,2-diol; (R)-Hydrobenzoin
EINECS	Contact for details

Quality Control

Our (R)-(-)-1,2-Diphenylethanol is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral HPLC for enantiomeric excess (ee) verification, to ensure it meets the high-purity standards required for sensitive synthetic applications. Certificates of Analysis (COA) with full traceability are provided for every shipment.

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). The product is moisture-sensitive; keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture.

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
Melting Point	136 - 140 °C
Specific Rotation [α]20/D	-105° to -115° (c=1 in ethanol)
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.