Description

Benzyl Diethyl Phosphite is a versatile organophosphorus compound primarily used as a key intermediate in chemical synthesis. Its value lies in its role as a phosphitylating agent and a precursor for the preparation of more complex phosphorus-containing molecules, which are essential in various advanced material and pharmaceutical applications. This product is particularly needed by manufacturers in the agrochemical, pharmaceutical, and specialty chemical industries for producing ligands, flame retardants, and active pharmaceutical ingredients (APIs).

Application

• As a phosphitylating agent in oligonucleotide and nucleoside synthesis for pharmaceutical research.
• Key intermediate in the manufacture of organophosphorus ligands for catalytic processes.
• Precursor for the synthesis of flame retardants and plasticizers used in polymer industries.
• Building block in the production of agrochemicals, such as pesticides and herbicides.
• Used in the development of corrosion inhibitors and lubricant additives.
• Employed in material science for creating specialized coatings and functional materials.

Basic Information

Product Name	Benzyl Diethyl Phosphite
CAS No.	2768-31-2
Molecular Formula	C11H17O3P
Molecular Weight	228.22 g/mol
Synonyms	Diethyl Benzyl Phosphite; Benzyl Phosphorous Acid Diethyl Ester; (Benzyloxy)diethoxyphosphine; Diethoxy(benzyloxy)phosphine; Phosphorous Acid, Benzyl-, Diethyl Ester; Benzyl Diethoxyphosphine Oxide (common misnomer); O-Benzyl Diethyl Phosphite
EINECS	220-444-9

Quality Control

Our Benzyl Diethyl Phosphite is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. The product undergoes rigorous analytical testing, including chromatography and spectroscopy, to confirm identity and assay. Certificates of Analysis (COA) detailing all quality parameters are available upon request to support your regulatory and quality assurance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flames. Due to its light-sensitive nature, containers should be kept in the original packaging or an opaque secondary container until use.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Density (at 20°C)	~1.08 g/cm³
Refractive Index (n20/D)	~1.480

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