Description

Diphenylmethoxyphosphine is a versatile organophosphorus compound primarily used as a key reagent in organic synthesis. Its value lies in its role as a ligand in transition metal catalysis and as a building block for more complex phosphorus-containing molecules. This product is essential for research and development laboratories and industrial-scale chemical synthesis in the pharmaceutical, agrochemical, and specialty materials sectors.

Application

• As a ligand precursor in the preparation of catalysts for cross-coupling reactions (e.g., Suzuki, Heck).
• As a key intermediate in the synthesis of novel phosphine ligands with tailored steric and electronic properties.
• In the manufacture of flame retardants and other phosphorus-based functional additives.
• For the research and development of new agrochemical active ingredients.
• As a reagent in organic synthesis for the formation of carbon-phosphorus bonds.
• In the production of specialty polymers and materials where phosphorus incorporation modifies properties.

Basic Information

Item	Detail
Product Name	Diphenylmethoxyphosphine
CAS No.	4020-99-9
Molecular Formula	C13H13OP
Molecular Weight	216.22 g/mol
Synonyms	Methoxydiphenylphosphine; Diphenylphosphinous Acid Methyl Ester; (Methoxydiphenylphosphine); Methyl Diphenylphosphinite; Methoxy(diphenyl)phosphine; P,P-Diphenyl P-Methoxyphosphine; NSC 66495
EINECS	Contact for details

Quality Control

Our Diphenylmethoxyphosphine is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters such as assay, identity, and impurity profiles. We support compliance with relevant industry and regulatory standards, and specifications can be tailored to meet specific project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Due to its hygroscopic nature, the container should be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent moisture absorption and degradation. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC or HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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