Formaldehyde → Melamine formaldehyde

HRID 1757031Notes

Reaction equation

HRID 1757031 reaction equation
[N:1]1[C:8]([NH2:9])=[N:7][C:5]([NH2:6])=[N:4][C:2]=1[NH2:3].[CH2:10]=[O:11].[OH-].[Na+]>O>[CH2:10]=[O:11].[N:1]1[C:8]([NH2:9])=[N:7][C:5]([NH2:6])=[N:4][C:2]=1[NH2:3]

Participants

5

Reactant 3

HCID 712FormaldehydeHCID 7955MelamineHCID 14798Sodium Hydroxide

Product 1

HCID 93374Melamine formaldehyde

Reagents, catalysts & solvents 1

HCID 962WaterSolvent

Conditions

Temperature
60 °C

Procedure

Separately, a mixture comprising 10 parts of melamine, 25 parts of 37% aqueous formaldehyde solution and 65 parts of water was adjusted to pH 9.0 with sodium hydroxide and was heated at 60° C. with stirring to perform dissolution to obtain a transparent melamine-formaldehyde precondensate.

Workup

  1. dissolutiondissolution

Sources & evidence

ORD record
ord-af603a8028774cafa80c99653b142c84
Source dataset
uspto-grants-1995_08
Patent number
US05443908

Reaction notes

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