Description

Pentamethoxyphosphorane is a high-purity organophosphorus compound with the CAS number 1455-07-8, serving as a versatile reagent and building block in advanced chemical synthesis. Its value lies in its role as a key precursor for creating complex phosphorus-containing molecules, which are critical in several high-tech industries. This product is essential for R&D laboratories and production facilities in the pharmaceutical, agrochemical, and specialty materials sectors seeking reliable, high-quality intermediates.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel active pharmaceutical ingredients (APIs) and prodrugs, particularly those requiring specific phosphorus-based functional groups.
• Agrochemical Synthesis: Acts as a key precursor for manufacturing advanced pesticides, herbicides, and plant growth regulators with enhanced efficacy.
• Ligand and Catalyst Preparation: Serves as a starting material for synthesizing specialized phosphine ligands and organometallic catalysts used in cross-coupling and other catalytic reactions.
• Flame Retardant Research: Investigated as a building block for developing next-generation, halogen-free flame retardant additives for polymers and textiles.
• Material Science: Employed in the research and development of novel phosphorus-based polymers, coatings, and electronic materials.
• Chemical Vapor Deposition (CVD): Explored as a potential precursor for depositing thin films containing phosphorus for semiconductor applications.

Basic Information

Product Name	Pentamethoxyphosphorane
CAS No.	1455-07-8
Molecular Formula	C5H15O5P
Molecular Weight	186.15 g/mol
Synonyms	Phosphorane, pentamethoxy-; Pentamethyl Phosphite; Trimethyl Phosphite Dimer; P(OCH3)5; Phosphorus(V) methoxide; Methyl Phosphonate (specific derivative context); PMP (abbreviation)
EINECS	215-925-5

Quality Control

Our Pentamethoxyphosphorane is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including assay by GC or NMR, to ensure high chemical purity and consistency. We provide full traceability and Certificates of Analysis (COA) are available for all shipments, detailing key parameters such as purity and identity. Our quality systems are designed to meet the stringent requirements of GMP and ISO standards for advanced chemical intermediates.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC or 31P NMR)	≥ 95.0%
Water Content (Karl Fischer)	≤ 0.5%

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