Formaldehyde → Melamine formaldehyde

HRID 484669Notes

Reaction equation

HRID 484669 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
80 °C

Procedure

Separately, a mixture of 13 parts of melamine, 25 parts of 37% formalin solution and 70 parts of water was adjusted to pH 9 by the use of sodium hydroxide and converted into a solution by heating at 80° C., whereby a melamine-formaldehyde precondensate was obtained.

Sources & evidence

ORD record
ord-cf32564d79994d63856a91fe5285474a
Source dataset
uspto-grants-1985_08
Patent number
US04533599

Reaction notes

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