phosphoric acid

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phosphoric acid

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Also known as orthophosphoric acid, phosphoric(V) acid, white phosphoric acid, [PO(OH)3], H3PO4, E338, naval jelly

chemical compound

AI overview

Phosphoric acid is a chemical compound made from phosphorus, oxygen, and hydrogen that is commonly used in fertilizers, food additives, and industrial processes. It matters because it's essential for agriculture to help crops grow and is also used in many everyday products like soft drinks and cleaning supplies.

AI-generated from the Wikipedia summary — may contain errors.

Chemical data

Formula: H3O4P
Molecular weight: 97.995 g/mol
IUPAC name: phosphoric acid
SMILES: OP(=O)(O)O
InChIKey: NBIIXXVUZAFLBC-UHFFFAOYSA-N
XLogP: -2.1
Polar surface area: 77.8 Å²
H-bond donors: 3
H-bond acceptors: 4
Formal charge: 0

via PubChem

Research

146,103 papers

Phosphoric acid/phosphates.Journal of applied toxicology : JAT · 1992Von Burg RDOI: 10.1002/jat.2550120416
Safety Assessment of Phosphoric Acid and Its Salts as Used in Cosmetics.International journal of toxicology · 2021Johnson W Jr, Boyer I, Bergfeld WF et al.DOI: 10.1177/10915818211014499
Effect of phosphoric acid containing polyvinylpyrrolidone as protective etchant for dentin bonding.The Journal of prosthetic dentistry · 2024Wang Y, Ding N, Zhang ZDOI: 10.1016/j.prosdent.2024.01.019
Phosphoric Acid Catalyzed Electrophilic Thiocyanation of Indoles: Access to SCN-Containing Aryl-Indole Compounds.Chemistry, an Asian journal · 2022Ye AH, Li ZH, Ding TM et al.DOI: 10.1002/asia.202200256
Recent Advances in First-Row Transition Metal/Chiral Phosphoric Acid Combined Catalysis.ReviewTopics in current chemistry (Cham) · 2019Fang GC, Cheng YF, Yu ZL et al.DOI: 10.1007/s41061-019-0249-0
Chiral Phosphoric Acid-Catalyzed Enantioselective Aza-Friedel-Crafts Addition of Naphthols with Isatin-Derived Ketimines.The Journal of organic chemistry · 2022Duan M, Chen J, Wang T et al.DOI: 10.1021/acs.joc.2c01659
Phosphoric Acid Versus Biogenic Mineralization of Hydroxyapatite and Carbonate Apatite in Relation to Infection-Induced Urinary Stones: Physical, Chemical and Microbiological Aspects.ChemPlusChem · 2025Prywer J, Mielniczek-Brzóska E, Torzewska ADOI: 10.1002/cplu.202400712
Recent Progress in Asymmetric Relay Catalysis of Metal Complex with Chiral Phosphoric Acid.ReviewTopics in current chemistry (Cham) · 2019Wang PS, Chen DF, Gong LZDOI: 10.1007/s41061-019-0263-2

Wikidata facts

Mass: 97.977

Show 12 more facts

Commons category: Phosphoric acid
canonical SMILES: OP(=O)(O)O
NIOSH Pocket Guide ID: 0506
density: 1.87
immediately dangerous to life or health: 1000
melting point: 42.4
boiling point: 407
vapor pressure: 0.03
time-weighted average exposure limit: 1
short-term exposure limit: 3
pKa: 2.12
chemical formula: H₃PO₄

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Names

IUPAC name Phosphoric acid

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Categories

Acid catalysts Chembox having GHS data Chembox image size set ECHA InfoCard ID from Wikidata E-number additives E number from Wikidata Flavors Food acidity regulators Glassforming liquids and melts Over-the-counter drugs in the United States Phosphates Phosphorus oxoacids Phosphorus(V) compounds