Description

Coriphosphine CAS NO 5153-57-1 is a specialized organophosphorus compound known for its utility as a key intermediate and ligand in advanced chemical synthesis. Its primary value lies in enabling precise chemical transformations, particularly in the development of pharmaceuticals and fine chemicals, where it contributes to catalytic processes and the construction of complex molecular architectures. This high-purity chemical is essential for research institutions, pharmaceutical development labs, and manufacturers of specialty chemicals who require reliable, high-quality building blocks for their synthetic workflows.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates.
• Catalysis & Ligand Chemistry: Acts as a ligand or precursor for catalysts used in cross-coupling reactions and other transition metal-catalyzed processes.
• Fine Chemical Synthesis: Employed in the production of complex, high-value specialty chemicals and agrochemical intermediates.
• Material Science Research: Used in the development of novel polymeric materials and functional coatings where phosphorus-containing moieties are required.
• Academic & Industrial R&D: A valuable reagent for methodological development and exploratory chemistry in both academic and corporate research settings.

Basic Information

Product Name	Coriphosphine
CAS No.	5153-57-1
Molecular Formula	C9H12P2
Molecular Weight	182.14 g/mol
Synonyms	1,2-Bis(diphenylphosphino)ethane; DIPHOS; 1,2-Ethanediylbis[diphenylphosphine]; Ethylenebis(diphenylphosphine); DPEphos (common abbreviation); Bis(diphenylphosphino)ethane; DPPE; NSC 100714
EINECS	225-919-1

Quality Control

Our Coriphosphine is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for purity assessment and NMR for structural confirmation, to meet the stringent requirements of research and industrial applications. A detailed Certificate of Analysis (COA) documenting identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep the container tightly sealed under an inert atmosphere to prevent degradation and moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	139 - 143 °C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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