Phosphoric Acid → Urea phosphoric acid

HRID 47000Notes

Reaction equation

HRID 47000 reaction equation
[NH2:1][C:2]([NH2:4])=[O:3].[P:5](=[O:9])([OH:8])([OH:7])[OH:6]>>[P:5](=[O:6])([OH:9])([OH:8])[OH:7].[NH2:1][C:2]([NH2:4])=[O:3]

Participants

3

Procedure

According to another form of the invention the method includes the steps of dissolving urea in phosphoric acid to form a solution of a urea phosphoric acid adduct, adding a mixture of potassium salts and ammonium salts and/or urea to the solution while agitating the solution, adding a further quantity of phosphoric acid while the agitation is continued, and allowing the slurry obtained to cool and set to form a solid. In this form of the invention the solution of urea phosphoric acid adduct is agitated during the addition of the potassium salts and the ammonium salts and/or the urea during the addition of the further quantity of phosphoric acid.

Sources & evidence

ORD record
ord-72602655157e40b2869631b78be4fe4f
Source dataset
uspto-grants-1979_11
Patent number
US04175943

Reaction notes

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