Polyphosphoric Acid
Industrial Applications
Polyphosphoric Acid is a strong dehydrating and condensing agent widely used in organic synthesis and industrial chemical processes. It facilitates the conversion of amides to nitriles, promotes electrophilic aromatic substitution, and serves as an effective catalyst in Friedel-Crafts acylation reactions. Additionally, it is employed in the synthesis of heterocyclic compounds and in the preparation of specialty chemicals.
Physical Properties
Polyphosphoric Acid is a viscous, colorless to slightly yellow liquid with strong hygroscopic and acidic properties. It exhibits high thermal stability and strong dehydrating capability, making it suitable for use under demanding reaction conditions in both laboratory and industrial settings.
Grade
- Industrial
- 115%
- 105%
- 102%
- 97%
Other Names
- Polymetaphosphoric Acid
- Poly(hydroxydioxophosphorane)
Form
- Liquid
Abbreviations
- PPA
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