Description

(+/-)-1,2-Diphenylethylenediamine is a versatile chiral diamine ligand and building block of significant importance in asymmetric synthesis and catalysis. Its value lies in its ability to coordinate with various metal centers, forming effective catalysts for enantioselective transformations critical to modern chemical manufacturing. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and fine chemical industries who require high-purity chiral auxiliaries and ligands.

Application

• Asymmetric Catalysis: As a chiral ligand for transition metals (e.g., Ru, Rh, Ir) in hydrogenation, transfer hydrogenation, and other enantioselective reactions.
• Pharmaceutical Intermediates: Key building block in the synthesis of chiral active pharmaceutical ingredients (APIs) and complex molecules.
• Resolution Agent: Used for the chiral resolution of racemic carboxylic acids and other compounds via diastereomeric salt formation.
• Polymer Chemistry: Monomer or chain extender in the production of specialty polyamides and polyurethanes with tailored properties.
• Analytical Chemistry: Derivatization agent for chiral separation and analysis in HPLC and capillary electrophoresis.
• Agrochemical Synthesis: Intermediate in the production of enantiomerically pure herbicides, fungicides, and plant growth regulators.

Basic Information

Product Name	(+/-)-1,2-Diphenylethylenediamine
CAS No.	5700-60-7
Molecular Formula	C14H16N2
Molecular Weight	212.29 g/mol
Synonyms	1,2-Diphenylethylenediamine (racemic); DL-1,2-Diphenylethylenediamine; rac-1,2-Diphenylethylenediamine; (±)-1,2-Diphenylethylenediamine; N,N'-Diphenylethylenediamine; 1,2-Bis(phenylamino)ethane; Stien; DPEN
EINECS	227-171-5

Quality Control

Our (+/-)-1,2-Diphenylethylenediamine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for research and process chemistry. A comprehensive Certificate of Analysis (COA) detailing purity, chiral purity (where applicable), 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 room temperature (15-25°C). Due to its hygroscopic nature, the container should be kept tightly sealed after opening to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	88 - 92 °C
Loss on Drying	≤ 1.0 %
Heavy Metals (as Pb)	≤ 20 ppm

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