Hydrogen Peroxide → Maleic acid, disodium salt

HRID 1982069Notes

Reaction equation

HRID 1982069 reaction equation
[C:1]1(=[O:7])[O:6][C:4](=[O:5])[CH:3]=[CH:2]1.[OH-].[Na+:9].S(OOS([O-])(=O)=O)([O-])(=O)=[O:11].[NH4+].[NH4+].OO.[Na]>>[C:1]([O-:6])(=[O:7])/[CH:2]=[CH:3]\[C:4]([O-:11])=[O:5].[Na+:9].[Na+:9]

Participants

6

Reactant 5

HCID 784Hydrogen PeroxideHCID 7923Maleic AnhydrideHCID 14798Sodium HydroxideHCID 62648Ammonium PersulfateHCID 5360545Sodium

Product 1

HCID 6364608Maleic acid, disodium salt

Procedure

An aqueous solution of sodium maleate was prepared by neutralizing maleic anhydride with an aqueous sodium hydroxide solution in a four-necked flask. The aqueous solution polymerization of this product was effected in the presence of ammonium persulfate and hydrogen peroxide at 100° C. for 5 h to obtain a dyeability-improving agent comprising sodium polymaleate having a molecular weight of 700.

Workup

  1. customThe aqueous solution polymerization of this product
  2. customto obtain a dyeability-improving agent

Sources & evidence

ORD record
ord-339aec8677d746c39bfae04d46f86e2b
Source dataset
uspto-grants-1986_06
Patent number
US04595394

Reaction notes

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