Phosphoric Acid in Water

Phosphoric acid

Phosphoric acid in water Description:

Phosphoric acid in water, is a common inorganic acid, is a medium strong acid, chemical formula H3PO4, molecular weight 97.994.

Not easy to volatilize, not easy to decompose, almost no oxidation.With the commonness of acid, it is a ternary weak acid, and its acidity is weaker than hydrochloric acid, sulfuric acid, nitric acid, but stronger than acetic acid, boric acid, etc.It is obtained by dissolving phosphorus pentoxide in hot water. 

Phosphoric acid is an oxygen-containing acid of pentavalent phosphorus, but it is non oxidizing. Pure phosphoric acid is a colorless orthorhombic crystal at room temperature, containing 72.4% phosphorus pentoxide, with a density of 1.8741 (25 ℃), a melting point of 42.35 ℃, and a boiling point of 213 ℃ (losing 1/2H2O). It is easily hygroscopic in air. The product phosphoric acid is a colorless, transparent, viscous liquid with an acidic taste. 85% phosphoric acid has a specific gravity of 1.6850 (25 ℃) and is soluble in water and ethanol.

Phosphoric acid in water Use:

Mainly used as a catalyst for ethylene hydration to produce ethanol, high-purity phosphate, pharmaceutical manufacturing, and chemical reagents. 

Determination of chromium, nickel, vanadium components in steel, metal rust prevention, rubber coagulant, determination of serum non-protein nitrogen, total bile alcohol and whole blood glucose.Crystalline phosphoric acid is mainly used in microelectronics, high-energy batteries, laser glass and other manufacturing processes, as high purity catalysts, medical materials.

Computational Chemistry:

1. Hydrophobic parameter calculation reference value (XlogP): -2.1

2. Number of hydrogen bond donors: 3

3. Number of hydrogen bond acceptors: 4

4. Number of rotatable chemical bonds: 0

5. Number of tautomers: none

6. Topological Molecular Polarity Surface Area (TPSA): 77.8

7. Number of heavy atoms: 5

8. Surface charge: 0

9. Complexity: 49.8

10. Number of isotopic atoms: 0

11. Determine the number of atomic stereocenters: 0

12. Uncertain number of atomic stereocenters: 0

13. Determine the number of chemical bond stereocenters: 0

14. Uncertain number of chemical bond stereocenters: 0

15. Number of covalent bond units: 1

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