Phosphoric acid

 Phosphoric acid, chemical formula H3PO4, is a common inorganic acid, not volatile, not easy to decompose, almost no oxidation.Has the acid property, is ternary medium strong acid.Phosphorus pentoxide can be obtained by dissolving in hot water.Phosphoric acid is used to treat apatite industrially.Pure phosphoric acid can be obtained by oxidizing phosphorus with nitric acid.Generally, it is a thick solution of 83% to 98%. If it is concentrated again, colorless crystals can be obtained.Phosphoric acid is easily delihaled in air.Heat will gradually lose water to get pyrophosphoric acid, further water loss to get partial phosphoric acid.Phosphoric acid tends to self-bind into a variety of compounds such as pyrophosphoric acid acid or triphosphoric acid.In addition to being used as a chemical reagent, phosphoric acid can also be mainly used in pharmaceuticals, rust converters, food additives, solvents, electrolytes, fertilizers, metallurgy, feed, etc., as well as in medical cosmetology and dentistry.Phosphoric acid is a ternary acid, which can dissociate three hydrogen ions, so three different acid roots can be formed: H2PO− 4 phosphate, HPO2− 4 phosphate and PO3− 4 phosphate.

Product Name: phosphoric acid (85%)

Molecular formula: H3PO4

Molecular weight: 97.995 (according to international atomic weight 1985)

Properties: colorless transparent oily liquid, no odor, taste acid, soluble in water, soluble in ethanol.Its acidity is weaker than sulfuric acid, hydrochloric acid, nitric acid and other strong acids.Corrosive to the skin.Stored in wet air, it absorbs moisture and becomes thin.

USES: mainly used in phosphate, fertilizer, aluminum polishing agent, iron and steel anti-rust agent, phosphating agent, metal cleaning agent, organic synthesis catalyst, used in dye and intermediate production as desiccator, latex solidifying agent.Food-grade phosphoric acid can be used as an acid in acidic beverages.

Product quality: in accordance with GB/ t2091-2008 standard.

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