Diethyl Phosphite

CAS# 762-04-9

Product Description

Diethyl phosphite is a chemical compound with various industrial and commercial applications.

Product:

Diethyl Phosphite

CAS:

762-04-9

Synonym:

Diethyl phosphonate; Phosphonic acid, diethyl ester

Structure:

Typical Characteristics

Appearance

Clear colorless liquid

Boiling point

138 °C

Density

1.072 g/cm3

Flash Point

90 °C

Melting point

-70 °C

Molecular Weight

138.10

Odor

Weak odor

Purity

98%

Refractive index

1.407

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We Offer Diethyl Phosphite
in various grades

A few of the grades available are listed below:

Diethyl Phosphite used in many
industry applications

Diethyl phosphite is a chemical compound with various industrial and commercial applications. Here are some of its uses:

  1. Pharmaceutical Intermediates: Diethyl phosphite serves as an intermediate in the synthesis of pharmaceutical compounds. It is used in the production of organophosphorus compounds, which have applications in drug development and medicinal chemistry.
  2. Agrochemicals: It is used in the manufacture of agrochemicals such as pesticides, herbicides, and fungicides. Diethyl phosphite is a key ingredient in the synthesis of phosphonate-based agricultural chemicals used for crop protection and pest control.
  3. Flame Retardants: Diethyl phosphite is used as a flame retardant additive in polymers and plastics. It helps improve the fire resistance of materials by releasing phosphorus-containing gases that inhibit combustion and suppress the spread of flames.
  4. Chemical Intermediates: It serves as a versatile intermediate in organic synthesis for the production of various phosphorus-containing compounds. Diethyl phosphite is used in the manufacture of flame retardants, plasticizers, antioxidants, and surfactants.
  5. Polymerization Catalysts: Diethyl phosphite is used as a catalyst in polymerization reactions, particularly in the production of polyester resins and polyurethane foams. It helps control the molecular weight and structure of polymers, influencing their properties and performance.
  6. Antioxidants: It is employed as an antioxidant additive in lubricants, fuels, and industrial fluids. Diethyl phosphite helps prevent oxidative degradation and extend the shelf life of oils, greases, and other hydrocarbon-based products.
  7. Textile Chemicals: Diethyl phosphite is used in the textile industry as a flame retardant and finishing agent for fabrics and textiles. It imparts flame resistance to clothing, upholstery, and furnishings, meeting safety standards for consumer products.
  8. Chemical Analysis: It is used in analytical chemistry as a reagent for the determination of metals and metal ions. Diethyl phosphite can form complexes with certain metal ions, enabling their detection and quantification in environmental and biological samples.
  9. Photographic Chemicals: Diethyl phosphite is used in the production of photographic chemicals and materials. It serves as a component of developer solutions and photographic emulsions, contributing to the formation of photographic images.
  10. Electronics: It is used in the electronics industry as a precursor for the synthesis of phosphorus-containing compounds used in semiconductor materials, flame retardants, and electronic components.