Phosphorus Pentoxide

CAS# 1314-56-3

Product Description

Phosphorus pentoxide, also known as phosphoric anhydride, is a highly reactive chemical compound with various industrial and laboratory applications. 

Product:

Phosphorus Pentoxide

CAS:

1314-56-3

Synonym:

Phosphoric anhydride; Phosphorus(V) oxide

Structure:

Typical Characteristics

Appearance

White powder

Density

2.30 g/cm3

Melting point

340 °C

Molecular Weight

141.94

Odor

Pungent odor

Purity

99%

Refractive index

1.433-1.436

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We Offer Phosphorus Pentoxide
in various grades

A few of the grades available are listed below:

Phosphorus Pentoxide used in many
industry applications

Phosphorus pentoxide, also known as phosphoric anhydride, is a highly reactive chemical compound with various industrial and laboratory applications. Here are some of its uses:

  1. Dehydrating Agent: Phosphorus pentoxide is commonly used as a powerful dehydrating agent in organic synthesis and chemical reactions. It efficiently removes water molecules from reaction mixtures, facilitating dehydration reactions and the formation of anhydrous products.
  2. Catalyst: Phosphorus pentoxide can serve as a catalyst or catalyst support in certain chemical reactions. It may promote condensation, esterification, and other reactions by providing acidic or Lewis acidic sites for the activation of substrates.
  3. Desiccant: Phosphorus pentoxide is employed as a desiccant in laboratory settings and industrial processes to absorb moisture and maintain dry conditions. It is commonly used in desiccators, drying tubes, and sealed containers to protect sensitive materials from moisture degradation.
  4. Chemical Synthesis: Phosphorus pentoxide is used as a reagent or intermediate in various chemical synthesis reactions. It participates in the preparation of phosphoric acid, phosphorus oxychloride, and other phosphorus-containing compounds. It may also be employed in the synthesis of pharmaceuticals, agrochemicals, and specialty chemicals.
  5. Flame Retardant: Phosphorus pentoxide is utilized in the production of flame-retardant materials and formulations. It can be incorporated into polymers, textiles, and building materials to enhance their fire resistance and reduce the risk of ignition, flame spread, and smoke generation in case of fire.
  6. Analytical Chemistry: Phosphorus pentoxide may be used in analytical chemistry techniques for moisture analysis and water determination. It reacts with water vapor in a sample to form phosphoric acid, which can be quantified using titration or other analytical methods.
  7. Acid Anhydride: Phosphorus pentoxide is classified as an acid anhydride due to its ability to react with water to form phosphoric acid. This property is exploited in various chemical reactions and processes where anhydrous acidic conditions are required.