Phosphoric acid (orthophosphoric acid, monophosphoric acid or phosphoric(V) acid) is a colorless, odorless phosphorus-containing solid, and inorganic compound with the chemical formula H3PO4. It is commonly encountered as an 85% aqueous solution, which is a colourless, odourless, and non-volatile syrupy … See more Phosphoric acid is produced industrially by one of two routes, wet processes and dry. Wet process In the wet process, a phosphate-containing mineral such as calcium hydroxyapatite See more Acidic properties In aqueous solution phosphoric acid behaves as a triprotic acid. H3PO4 ⇌ H2PO−4 + H , pKa1 = 2.14 H2PO−4 ⇌ HPO2−4 + H , pKa2 = 7.20 HPO2−4 ⇌ PO3−4 + H , pKa3 = 12.37 The difference … See more • Phosphate fertilizers, such as ammonium phosphate fertilizers See more • Haynes, William M., ed. (2011). CRC Handbook of Chemistry and Physics (92nd ed.). CRC Press. ISBN 978-1439855119. See more The dominant use of phosphoric acid is for fertilizers, consuming approximately 90% of production. Food-grade … See more Phosphoric acid is not a strong acid. However, at moderate concentrations phosphoric acid solutions are irritating to the skin. Contact with concentrated solutions can cause severe skin burns and permanent eye damage. A link has been … See more • National pollutant inventory – Phosphoric acid fact sheet • NIOSH Pocket guide to chemical hazards See more WebPhosphorus (atomic symbol: P, atomic number: 15) is a Block P, Group 15, Period 3 element. The number of electrons in each of Phosphorus's shells is 2, 8, 5 and its electronic configuration is [Ne] 3s 2 3p 3.
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WebMar 25, 2024 · Polyphosphoric acid melts at 16 o C. The acid has a boiling point of 300 o C at 760 mmHg; The ... WebBoiling temperatures for common liquids and gases - acetone, butane, propane and more. The boiling point of a substance is the temperature at which it changes state from liquid … salam ismael twitter
Phosphoric Acid - an overview ScienceDirect Topics
WebBoiling Point : 158°C (316.4°F) Melting Point : 21°C (69.8°F) Page 5 of 8 MSDS -Phosphoric acid, 85% Critical Temperature : Not available. Specific Gravity : 1.685 @ 25 C (Water = 1) ... Phosphoric acid California Director's list of hazardous substances: Phosphoric acid TSCA 8(b) inventory: Phosphoric Acid; Water SARA 313 toxic … WebPure phosphoric acid is a non-combustible, colourless, odourless and hygroscopic crystal. Commercial phosphoric acid comes as a viscous solution in water which contains 75-85% phosphoric acid. The liquid can solidify at lower temperatures. Melting Point: 42°C (pure) 21°C (85%) 18°C (75%) Boiling Point: 260°C (pure) 154°C (85%) 135°C (75%) salamis bay conti north cyprus