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Synthesis and composition The basic compounds for the production of polyphosphoric acid (PPA) are phosphorus pentoxide (P2O5) and phosphoric acid (H3PO4), as shown in Figure 2. Phosphorus is first oxidized to phosphorus pentoxide, which crystallizes as P4O10. Upon its reaction with water, phosphoric acid is produced.
Polyphosphoric acid can be used in the manufacture of special supported catalysts, e. g. for use in the production of cumene from benzene. Polyphosphoric acid can be used in the descaling and brightening of metal surfaces. Polyphosphoric acid is suitable for the drying of gas streams.
PPA is also known as β-hydroxyamphetamine, and is a member of the phenethylamine and amphetamine chemical classes. ... PPA, structurally, is in the substituted phenethylamine class, consisting of a cyclic benzene or phenyl group, a two carbon ethyl moiety, and a terminal nitrogen, hence the name phen-ethyl-amine.
POLYPHOSPHORIC ACID FOR SYNTHESIS
The name phosphoric acid is the IUPAC name of orthophosphoric acid. The prefix –ortho is used to distinguish this acid from other phosphorous containing acids (polyphosphoric acids). There is no difference between orthophosphoric acid and phosphoric acid because both these names describe the same compound.
Oman. Stocked at our warehouse in Barka, South Al Batinah, and supplied to Muscat, Ruwi, Mutrah, Seeb, Rusayl, Barka, Sohar, Shinas, Saham, Buraimi, Nizwa, Ibri, Sur, Salalah, Duqm, Khasab and every other governorate.
Ports and free zones. Port Sultan Qaboos (Mutrah), Mina Al Fahal, Sohar Port and Freezone, Port of Salalah and Salalah Free Zone, Port of Duqm and the Duqm Special Economic Zone, Port of Sur, Khasab Port and Al Mazunah Free Zone.
Industrial areas. Rusayl, Sohar, Barka (Sanaya), Raysut (Salalah), Nizwa, Sur, Buraimi and Duqm industrial estates, Knowledge Oasis Muscat, and oil and gas sites across Oman.
Beyond Oman. We have branches in the UAE (including Fujairah) and in India (Kandla, Kolkata, Visakhapatnam, Chennai and Mumbai), and we also supply to South Africa.