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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 974156Generated: October 31, 2026

Formaldehyde → Melamine formaldehyde

https://huagongshe.com/reaction/974156

Reaction equation

Participants

RoleNameHCIDCharge
ReactantFormaldehydeHCID 712—
ReactantMelamineHCID 7955—
ReactantSodium HydroxideHCID 14798—
SolventWaterHCID 962—
ProductMelamine formaldehydeHCID 93374—

Reaction Steps

Separately from the above operation, 11 parts of melamine, 21.2 parts of a 37% formaldehyde solution and 28.2 parts of water were mixed and the mixture was adjusted to pH 9 with sodium hydroxide and dissolved by heating to obtain an aqueous solution of melamine-formaldehyde precondensate. This was added to said emulsifier solution and the mixture was stirred at 70° C. for 2 hours to effectuate the reaction.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05068067
Source datasetuspto-grants-1991_11
ORD IDord-61ec8789560e45e484b6d000abfa0b58
Source noteuspto-grants-1991_11