Description

(1S,2S)-(-)-1,2-Diphenyl-1,2-Ethanediamine CAS NO 29841-69-8 is a high-purity chiral diamine compound, serving as a critical building block in asymmetric synthesis. Its primary value lies in its role as a versatile chiral ligand and catalyst precursor, enabling the production of enantiomerically pure pharmaceuticals and fine chemicals. This product is essential for research and manufacturing in the pharmaceutical, agrochemical, and specialty chemical industries, where precise stereochemical control is paramount.

Application

• Asymmetric Catalysis: As a chiral ligand for transition metal catalysts in hydrogenation, epoxidation, and other enantioselective reactions.
• Pharmaceutical Intermediates: A key chiral synthon in the synthesis of active pharmaceutical ingredients (APIs) requiring specific stereochemistry.
• Chiral Resolution: Used to resolve racemic mixtures of acids or other compounds via diastereomeric salt formation.
• Agrochemical Synthesis: Employed in the development of enantiomerically pure herbicides, fungicides, and plant growth regulators.
• Material Science: A monomer or cross-linking agent for the synthesis of chiral polymers and advanced materials.
• Academic & Industrial R&D: A fundamental reagent for methodological development in organic and medicinal chemistry laboratories.

Basic Information

Product Name	(1S,2S)-(-)-1,2-Diphenyl-1,2-Ethanediamine
CAS No.	29841-69-8
Molecular Formula	C14H16N2
Molecular Weight	212.29 g/mol
Synonyms	(1S,2S)-1,2-Diphenylethylenediamine; (1S,2S)-DPEN; (1S,2S)-(-)-DPEN; (-)-(1S,2S)-1,2-Diphenylethane-1,2-diamine; (1S,2S)-1,2-Diamino-1,2-diphenylethane; (S,S)-DPEN; (S,S)-1,2-Diphenylethylenediamine; (1S,2S)-Stilbenediamine
EINECS	Contact for details

Quality Control

Our (1S,2S)-(-)-1,2-Diphenyl-1,2-Ethanediamine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis by HPLC, to ensure it meets the high standards required for advanced synthetic applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and enantiomeric excess is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Enantiomeric Excess (ee)	≥ 99.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 10 ppm

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