Maleic Anhydride → Maleic acid, disodium salt

HRID 1578346

Reaktionsgleichung

Reaktionsgleichung von HRID 1578346
[OH-:1].[Na+:2].[C:3]1(=[O:9])[O:8][C:6](=[O:7])[CH:5]=[CH:4]1>O>[C:3]([O-:8])(=[O:9])/[CH:4]=[CH:5]\[C:6]([O-:1])=[O:7].[Na+:2].[Na+:2]

Komponenten

4

Edukt 2

HCID 7923Maleic AnhydrideHCID 14798Sodium Hydroxide

Produkt 1

HCID 6364608Maleic acid, disodium salt

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 962WaterLösungsmittel

Versuchsvorschrift

Eight parts by weight of sodium hydroxide and 9.8 parts by weight of maleic anhydride are added to 100 parts by weight of water to obtain a homogeneous solution of disodium maleate. On addition of 10.4 parts by weight of sodium bisulfite to the foregoing solution and stirring, the reaction proceeds exothermically. After the evolution of heat has settled down, the stirring is continued for a further 3 hours at 60°C. A rotary evaporator is then used and the water is removed from the reaction mixture to obtain 26.4 parts by weight of a white powder of trisodium sulfosuccinate.

Quellen und Nachweise

ORD-Eintrag
ord-db8af8e01bcd4cd9a6d8591e849b125b
Quelldatensatz
uspto-grants-1976_02
Patentnummer
US03936310

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