Description

Phosphineoxide CAS NO 13840-40-9 is an organophosphorus compound characterized by its P=O functional group, serving as a versatile intermediate and ligand in advanced chemical synthesis. Its primary value lies in its ability to act as a powerful catalyst and stabilizing agent, facilitating critical reactions in the production of high-performance materials and fine chemicals. This product is essential for R&D laboratories and industrial manufacturers in the pharmaceutical, agrochemical, and specialty polymer sectors seeking reliable, high-purity chemical building blocks.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs) and complex drug molecules.
• Catalyst & Ligand Synthesis: Used as a precursor for creating specialized phosphine oxide ligands in homogeneous catalysis, including cross-coupling reactions.
• Agrochemical Production: Intermediate in the manufacture of advanced herbicides, insecticides, and plant growth regulators.
• Flame Retardant Formulations: Component in the development of flame-retardant additives for polymers and textiles.
• Polymer & Resin Modification: Employed to modify properties of specialty polymers, enhancing thermal stability and performance.
• Research & Development: Critical reagent in academic and industrial R&D for exploring new organophosphorus chemistry and material science.
• Electronics & Semiconductor Precursors: Used in the synthesis of precursors for chemical vapor deposition (CVD) processes in electronics manufacturing.

Basic Information

Product Name	Phosphineoxide
CAS No.	13840-40-9
Molecular Formula	H3OP
Molecular Weight	49.997 g/mol
Synonyms	Phosphorus Oxide Hydride; Phosphinous Acid; Hydroxyphosphine; Phosphorus Monoxide Hydride; H3PO; Phosphane Oxide; Phosphine Oxide (H3PO); Oxophosphane
EINECS	Contact for details

Quality Control

Our Phosphineoxide is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. We employ advanced analytical techniques, including HPLC, GC, and NMR, to verify identity, potency, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment, and we support compliance with REACH and other relevant global regulatory frameworks.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its potential sensitivity, store separately from strong oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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