Description

1,2-Ethanediamine, 1,2-Bis(3,5-Dimethylphenyl)-, (1R,2R)- is a high-purity, chiral diamine compound of significant interest in advanced organic synthesis. Its value lies in its role as a sophisticated chiral ligand or building block for creating enantiomerically pure molecules, which are critical for achieving specific biological activity. This product is essential for researchers and manufacturers in the pharmaceutical and fine chemical industries, particularly those developing novel active pharmaceutical ingredients (APIs), catalysts, and specialty materials where stereochemical control is paramount.

Application

• As a chiral ligand in asymmetric catalysis for the synthesis of enantiomerically enriched compounds.
• Key intermediate or building block in the research and development of novel pharmaceutical candidates and APIs.
• Utilized in the synthesis of specialty polymers and advanced materials with specific chiral properties.
• Employed in the preparation of complexing agents for metal separation or sensor technologies.
• Use in academic and industrial R&D for methodological studies in stereoselective synthesis.

Basic Information

Product Name	1,2-Ethanediamine, 1,2-Bis(3,5-Dimethylphenyl)-, (1R,2R)-
CAS No.	503112-15-0
Molecular Formula	C18H24N2
Molecular Weight	268.40 g/mol
Synonyms	(1R,2R)-1,2-Bis(3,5-dimethylphenyl)ethane-1,2-diamine; (R,R)-1,2-Bis(3,5-dimethylphenyl)ethylenediamine; (1R,2R)-(-)-1,2-Bis(3,5-dimethylphenyl)ethylenediamine; (R,R)-DADPEN; (R,R)-3,5-Dimethyl-DPEN; (R,R)-1,2-Diamino-1,2-bis(3,5-dimethylphenyl)ethane; Chiral Diamine Ligand; (R,R)-Bis(3,5-dimethylphenyl)ethylenediamine
EINECS	Contact for details

Quality Control

Our 1,2-Ethanediamine, 1,2-Bis(3,5-Dimethylphenyl)-, (1R,2R)- is produced and handled under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity assessment by HPLC, to ensure it meets the high standards required for research and process chemistry. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming identity, purity, and enantiomeric excess.

Storage

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