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7664-38-2 - Phosphoric acid, 85% aq. soln. - Orthophosphoric acid - A18067 - Alfa Aesar

A18067 Phosphoric acid, 85% aq. soln.

Numéro CAS
Orthophosphoric acid

Dimensions Prix ($) Quantité Disponibilité
500ml 30,00
2500ml 103,00
10000ml 320,00
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Phosphoric acid, 85% aq. soln.


Propriétés chimiques

Poids formulaire
Point de fusion
Indice de réfraction
Miscible with water, ethanol and mixture of ether: alcohol (3:1).


Phosphoric acid is used mainly in fertilizers. It is used as an external standard for phosphorus-31 Nuclear magnetic resonance (NMR); as an electrolyte in phosphoric acid fuel cells and as a catalyst in the hydration of alkenes to produce alcohols, predominantly ethanol. It finds application as a buffer agent in biology and chemistry; as a solution for anodizing and as a cleaner by construction trades to remove mineral deposits, cementitious smears and hard water stains. It is also used as a pH adjuster in cosmetics and skin-care products and a dispersing agent in detergents and leather treatment. It plays an important role in the preparation of albumin derivatives. It is an important starting material used in the preparation of disodium hydrogen phosphate, trisodium phosphate, calcium dihydrogen phosphate and monohydrogen phosphate. It is also used in dentistry and orthodontics as an etching solution as well as a sanitizing agent in dairy, food and brewing industries. It serves as an acidic fruitlike flavoring in food products. It is widely used to remove rust in steel tools or surfaces by converting the rusted ion in to water soluble phosphate compound.


Incompatible with strong bases and powdered metals.

Références bibliographiques

Aili, D.; Vassiliev, A.; Jensen, J. O.; Schmidt, T. J.; Li, Q. Methyl phosphate formation as a major degradation mode of direct methanol fuel cells with phosphoric acid based electrolytes. J. Power Sources 2015, 279, 517-521.

Bondesson, P. M.; Dupuy, A.; Galbe, M.; Zacchi, G. Optimizing Ethanol and Methane Production from Steam-pretreated, Phosphoric Acid-impregnated Corn Stover. Appl. Biochem. Biotechnol. 2015, 175 (3), 1371-1388.

Mentions de danger et de prudence du SGH

Mentions de danger (UE): H314-H318

Causes severe skin burns and eye damage. Causes serious eye damage.

Mentions de prudence: P260u-P280-P303+P361+P353-P305+P351+P338-P301+P330+P331-P304+P340-P310a-P363-P405-P501a

Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Wash contaminated clothing before reuse. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Autres références

Classe de danger
Groupe d'emballage
Code tarifaire harmonisé


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    Sulfuric acid, ACS, 95.0-98.0%
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    Ammonium chloride, ACS, 99.5% min

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