Description

Phosphorous Acid, Bis(1-Methylethyl) Ester is a specialized organophosphorus compound known for its utility as a versatile chemical intermediate. This product matters for its role in synthesizing advanced materials and fine chemicals, offering a reactive phosphorus center for various transformations. It is primarily needed by manufacturers in the agrochemical, pharmaceutical, and polymer industries for applications such as ligand synthesis and as a precursor to flame retardants.

Application

• Key intermediate in the synthesis of organophosphorus ligands for catalysis.
• Precursor in the production of flame retardants and plasticizers for polymer systems.
• Building block for agrochemicals, including pesticides and plant growth regulators.
• Used in pharmaceutical research for the development of novel active pharmaceutical ingredients (APIs).
• Employed in the manufacture of specialty surfactants and lubricant additives.
• Reagent in organic synthesis for the introduction of phosphonate groups.
• Intermediate for corrosion inhibitors in industrial fluid formulations.

Basic Information

Product Name	Phosphorous Acid, Bis(1-Methylethyl) Ester
CAS No.	691-96-3
Molecular Formula	C6H15O3P
Molecular Weight	166.16 g/mol
Synonyms	Diisopropyl Phosphite; Phosphonic Acid, Bis(1-Methylethyl) Ester; Diisopropyl Hydrogen Phosphite; Diisoxypropyl Phosphite; DIP-H; Di-iso-propylphosphite; Hydrogen Diisopropyl Phosphite; NSC 5111
EINECS	211-719-3

Quality Control

Our Phosphorous Acid, Bis(1-Methylethyl) Ester is produced under a rigorous quality management system. Each batch undergoes comprehensive analytical testing, including assay and impurity profiling, to ensure it meets exacting standards for industrial and research use. Certificates of Analysis (COA) documenting purity, identity, and other critical parameters are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation. Recommended storage temperature is 2-8°C for extended stability, though short-term storage at 15-25°C is acceptable. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Density (20°C)	~1.01 g/cm³
Refractive Index (20°C)	~1.410

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