Description

(1R,2R)-(+)-1,2-Diphenylethylenediamine is a high-purity chiral diamine ligand and resolving agent of significant importance in asymmetric synthesis. Its primary value lies in its ability to induce chirality in catalytic reactions and to separate enantiomers of chiral acids, making it indispensable for producing optically pure compounds. This product is critically needed by research institutions and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries for developing and scaling up enantioselective processes.

Application

• Asymmetric Catalysis: As a chiral ligand for transition metal complexes (e.g., with Ru, Rh, Ir) in hydrogenation, transfer hydrogenation, and other enantioselective transformations.
• Chiral Resolution: As a resolving agent for the separation of racemic mixtures of carboxylic acids via diastereomeric salt formation.
• Pharmaceutical Intermediates: Key building block in the synthesis of chiral active pharmaceutical ingredients (APIs) and diagnostic agents.
• Agrochemical Synthesis: Used in the production of enantiomerically pure herbicides, fungicides, and pesticides.
• Ligand for Metal-Organic Frameworks (MOFs): Employed in the construction of chiral porous materials for catalysis and separation.
• Analytical Chemistry: As a chiral selector or derivatizing agent in chromatographic methods like HPLC for enantiomeric purity analysis.

Basic Information

Product Name	(1R,2R)-(+)-1,2-Diphenylethylenediamine
CAS No.	35132-20-8
Molecular Formula	C14H16N2
Molecular Weight	212.29 g/mol
Synonyms	(1R,2R)-1,2-Diphenylethane-1,2-diamine; (R,R)-1,2-Diphenylethylenediamine; (R,R)-DPEN; (1R,2R)-(-)-1,2-Diamino-1,2-diphenylethane; (R,R)-1,2-Diamino-1,2-diphenylethane; (R,R)-DACH; (1R,2R)-1,2-Diamino-1,2-diphenylethane; Strem 07-2590
EINECS	Contact for details

Quality Control

Our (1R,2R)-(+)-1,2-Diphenylethylenediamine 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 (by HPLC), specific rotation, and other critical parameters is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed 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
Purity (HPLC)	≥ 98.0%
Enantiomeric Excess (ee)	≥ 99.0%
Specific Rotation [α]D20	+102° to +108° (c=1 in EtOH)
Melting Point	86 - 90 °C
Heavy Metals	≤ 20 ppm
Loss on Drying	≤ 0.5%

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