Formaldehyde → HCID 131714449, compound

HRID 637591Notes

Reaction equation

HRID 637591 reaction equation
[N:1]1[C:8]([NH2:9])=[N:7][C:5]([NH2:6])=[N:4][C:2]=1[NH2:3].[NH2:10][C:11]([NH2:13])=[O:12].[NH2:14][C:15]([NH2:17])=[S:16].[CH2:18]=[O:19].[OH-].[Na+]>>[N:1]1[C:8]([NH2:9])=[N:7][C:5]([NH2:6])=[N:4][C:2]=1[NH2:3].[NH2:10][C:11]([NH2:13])=[O:12].[NH2:14][C:15]([NH2:17])=[S:16].[CH2:18]=[O:19]

Participants

6

Reactant 5

HCID 712FormaldehydeHCID 1176UreaHCID 7955MelamineHCID 14798Sodium HydroxideHCID 2723790Thiourea

Product 1

HCID 131714449HCID 131714449, compound

Procedure

Twenty-eight grams of melamine, 29.1 g of urea, 34.6 g of thiourea and 209.3 g of formaline adjusted to pH of 9.0 by an aqueous 5% solution of sodium hydroxide were mixed and reacted at 70° C. for 30 min to obtain an aqueous solution of melamine-urea-thiourea-formaldehyde prepolymer.

Workup

  1. additionwere mixed
  2. customreacted at 70° C. for 30 min

Sources & evidence

ORD record
ord-9ae02a9b4a2c47748164f1558772f94b
Source dataset
uspto-grants-1985_12
Patent number
US04557755

Reaction notes

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