Water → Sulfosuccinic acid monosodium salt

HRID 1106207

Reaction equation

HRID 1106207 reaction equation
[C:1]1(=[O:7])[O:6][C:4](=[O:5])[CH:3]=[CH:2]1.[S:8]([O-:11])([O-:10])=[O:9].[Na+].[Na+].[OH2:14]>>[S:8]([CH:2]([CH2:3][C:4]([OH:14])=[O:5])[C:1]([OH:6])=[O:7])([OH:11])(=[O:10])=[O:9]

Participants

4

Reactant 3

HCID 962Water3×HCID 7923Maleic AnhydrideHCID 24437Sodium Sulfite

Product 1

HCID 21220Sulfosuccinic acid monosodium salt

Procedure

652 Parts of the above rosin alcohol oxalkylation product are esterified with 98 parts of maleic anhydride at 50° to 80° C., while stirring, and after diluting the mixture with water, from 132.3 to 138.6 parts of sodium sulfite (as an aqueous solution) are introduced by stirring at 40° to 80° C. within 15 to 120 minutes, until the mixture has become clearly water-soluble. Subsequently, stirring is continued for 1 hour. The amount of water added may be in the range of from 50 to 85% by weight of the final solution.

Workup

  1. stirringby stirring at 40° to 80° C. within 15 to 120 minutes, until the mixture
  2. stirringSubsequently, stirring

Sources & evidence

ORD record
ord-cdf50fa568fb45619482c1551db9d8ff
Source dataset
uspto-grants-1982_01
Patent number
US04312631

Linked notes

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