Description

Phosphinylidynetrimethanol is a versatile organophosphorus compound with the molecular formula C3H9O3P. This chemical serves as a crucial building block and intermediate in the synthesis of more complex phosphorus-containing molecules, valued for its unique reactivity and functional groups. It is primarily sought after by manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for applications in ligand synthesis, flame retardants, and catalyst development.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs, particularly those requiring phosphorus-based functional groups.
• Agrochemical Synthesis: Acts as a key precursor for manufacturing certain herbicides, plant growth regulators, and other crop protection agents.
• Ligand and Catalyst Preparation: Employed in the creation of phosphine ligands for homogeneous catalysis in fine chemical and polymer production.
• Flame Retardant Formulations: Serves as a reactive intermediate in the production of phosphorus-based flame retardants for polymers and textiles.
• Crosslinking Agent: Utilized in the production of specialty resins and polymers where phosphorus incorporation enhances thermal or mechanical properties.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new organophosphorus chemistry and material science.

Basic Information

Product Name	Phosphinylidynetrimethanol
CAS No.	1067-12-5
Molecular Formula	C3H9O3P
Molecular Weight	124.08 g/mol
Synonyms	Phosphorous Acid Tris(hydroxymethyl)ester; Tris(hydroxymethyl)phosphine Oxide; THPO; P,P,P-Tris(hydroxymethyl)phosphine Oxide; Phosphinic Acid, Tris(hydroxymethyl)-; Oxotris(hydroxymethyl)phosphorane; Tris-Oxymethylphosphine Oxide
EINECS	213-909-1

Quality Control

Our Phosphinylidynetrimethanol is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets the high-purity standards required for sensitive synthetic applications. A detailed Certificate of Analysis (COA) documenting identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and batch-to-batch consistency.

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 nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product quality and stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	50 - 55 °C
Loss on Drying	≤ 1.0%
Heavy Metals (as Pb)	≤ 10 ppm

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