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Phosphoric acid (orthophosphoric acid, monophosphoric acid or phosphoric(V) acid) is a colorless, odorless phosphorus-containing solid, and inorganic compound with the chemical formula H 3 P O 4. It is commonly encountered as an 85% aqueous solution , which is a colourless, odourless, and non- volatile syrupy liquid.
POCl 3 reacts with water to give hydrogen chloride and phosphoric acid: O=PCl 3 + 3 H 2 O → O=P(OH) 3 + 3 HCl. Intermediates in the conversion have been isolated, including pyrophosphoryl chloride, O(−P(=O)Cl 2) 2. [9] Upon treatment with excess alcohols and phenols, POCl 3 gives phosphate esters: O=PCl 3 + 3 ROH → O=P(OR) 3 + 3 HCl
Safety data sheet (SDS) Fisher Scientific: ... Indoline can be produced from the reaction of indole, zinc and 85% phosphoric acid. [3] It was used to make Indocaine.
Since the ends are condensed, its formula has one less H 2 O (water) than tripolyphosphoric acid. The general formula of a phosphoric acid is H n−2x+2 P n O 3n−x+1, where n is the number of phosphorus atoms and x is the number of fundamental cycles in the molecule's structure; that is, the minimum number of bonds that would have to be ...
Soft drinks containing phosphoric acid, including Coca-Cola, are sometimes called phosphate sodas or phosphates. Phosphoric acid in soft drinks has the potential to cause dental erosion. [108] Phosphoric acid also has the potential to contribute to the formation of kidney stones, especially in those who have had kidney stones previously. [109]
Example of phosphoric acid production. Wet-process phosphoric acid is prepared by adding sulfuric acid (H 2 SO 4) to apatite or tricalcium phosphate rock resulting in the following reaction: 3 H 2 SO 4 + Ca 3 (PO 4) 2 + 6 H 2 O ↔ 2 H 3 PO 4 + 3 CaSO 4 •2H 2 O Wet-process acid has to be purified by removing fluorine and other undesirable ...
Triethyl phosphate is an organic chemical compound with the formula (C 2 H 5) 3 PO 4 or OP(OEt) 3.It is a colorless liquid. It is the triester of ethanol and phosphoric acid and can be called "phosphoric acid, triethyl ester".
Trisodium phosphate is produced by neutralization of phosphoric acid using sodium carbonate, which produces disodium hydrogen phosphate. The disodium hydrogen phosphate is reacted with sodium hydroxide to form trisodium phosphate and water. Na 2 CO 3 + H 3 PO 4 → Na 2 HPO 4 + CO 2 + H 2 O Na 2 HPO 4 + NaOH → Na 3 PO 4 + H 2 O