Description

1,5-Bis[Bis(3,5-Dimethylphenyl)Phosphino]Pentane is a high-purity, specialized organophosphorus ligand critical for advanced catalytic processes. Its value lies in its ability to form highly active and selective metal complexes, particularly for asymmetric hydrogenation and cross-coupling reactions. This compound is essential for R&D chemists and process engineers in the pharmaceutical, agrochemical, and fine chemical industries seeking to optimize synthetic routes and develop novel compounds.

Application

• As a key chiral ligand in asymmetric hydrogenation catalysts for the synthesis of enantiomerically pure pharmaceutical intermediates.
• In the development of palladium and rhodium-based catalysts for C-C and C-N cross-coupling reactions (e.g., Suzuki, Heck, Buchwald-Hartwig).
• For homogeneous catalysis research in academic and industrial laboratories exploring new synthetic methodologies.
• In the production of specialty fine chemicals and agrochemicals where high selectivity and yield are paramount.
• As a precursor for tailored catalyst systems used in the manufacture of flavors, fragrances, and advanced materials.

Basic Information

Product Name	1,5-Bis[Bis(3,5-Dimethylphenyl)Phosphino]Pentane
CAS No.	220185-38-6
Molecular Formula	C37H48P2
Molecular Weight	554.72 g/mol
Synonyms	1,5-Bis[bis(3,5-dimethylphenyl)phosphino]pentane; (3,5-Xylyl)2P(CH2)5P(3,5-Xylyl)2; Pentamethylene bis[bis(3,5-dimethylphenyl)phosphine]; Bisphosphine ligand SK-CC02-A; DpenPhos (common abbreviation); 1,5-Bis(di-3,5-xylylphosphino)pentane; DTX-Phos
EINECS	Contact for details

Quality Control

Our production of 1,5-Bis[Bis(3,5-Dimethylphenyl)Phosphino]Pentane adheres to stringent quality protocols to ensure batch-to-batch consistency and high catalytic performance. Every lot is characterized using advanced analytical techniques including NMR, HPLC, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (argon or nitrogen) at 2-8°C to minimize oxidation and ensure long-term stability. The container should be kept in a cool, dry, and well-ventilated area, separate from oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Typical Purity	98.0 - 99.5%
Solubility	Soluble in common organic solvents (Toluene, THF, DCM)

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