Description

Meso-1,2-Diphenylethylenediamine is a chiral diamine compound with the CAS number 951-87-1, serving as a versatile and crucial building block in asymmetric synthesis. Its value lies in its ability to act as a chiral ligand or catalyst precursor, enabling the production of enantiomerically pure pharmaceuticals and fine chemicals. This high-purity intermediate is essential for research and development laboratories, as well as production facilities in the pharmaceutical, agrochemical, and specialty chemical industries.

Application

• As a chiral ligand in asymmetric catalysis for hydrogenation and transfer hydrogenation reactions.
• Key intermediate in the synthesis of enantiomerically pure pharmaceutical active ingredients (APIs).
• Precursor for the preparation of salen-type metal complexes used in oxidation and epoxidation catalysis.
• Building block for chiral auxiliaries and resolving agents in organic synthesis.
• Used in academic and industrial R&D for developing novel catalytic systems and synthetic methodologies.
• Component in the manufacture of advanced materials and specialty polymers requiring chiral centers.

Basic Information

Product Name	Meso-1,2-Diphenylethylenediamine
CAS No.	951-87-1
Molecular Formula	C14H16N2
Molecular Weight	212.29 g/mol
Synonyms	(1R,2S)-1,2-Diphenylethylenediamine; (1R,2S)-(-)-1,2-Diphenylethylenediamine; meso-1,2-Diphenylethane-1,2-diamine; (R,S)-1,2-Diphenylethylenediamine; meso-Stilbenediamine; meso-DPEN; (1R,2S)-DPEN
EINECS	Contact for details

Quality Control

Our Meso-1,2-Diphenylethylenediamine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high chemical purity and chiral integrity, meeting the stringent requirements for advanced synthetic applications. Certificates of Analysis (COA) detailing purity, enantiomeric excess, and impurity profiles are available upon request.

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) and light-sensitive; appropriate handling procedures should be followed to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Enantiomeric Purity	≥ 99.0% meso
Melting Point	118 - 122 °C
Loss on Drying	≤ 0.5%

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