Urea → Urea silicate

Reaction equation

[Si:1]([OH:5])([OH:4])([OH:3])[OH:2].[NH2:6][C:7]([NH2:9])=[O:8].C(=O)([O-])[O-].[Na+].[Na+]>>[Si:1]([OH:5])([OH:4])([OH:3])[OH:2].[NH2:6][C:7]([NH2:9])=[O:8]

Participants

Reactant 3

HCID 1176Urea

HCID 10340Sodium Carbonate

HCID 14942Orthosilicic acid

Product 1

HCID 86734903Urea silicate

Procedure

About one mol of gelatinous orthosilicic acid, one mol of urea and about 0.2 mol of sodium carbonate are mixed, heated to 95° to 150° C. for 20 to 60 minutes, thereby producing white granules of urea silicate.

Workup

temperatureheated to 95° to 150° C. for 20 to 60 minutes

Sources & evidence

ORD record: ord-c2c0f87301714e7090974253ef201984
Source dataset: uspto-grants-1977_07
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US04033935

Reaction notes

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