Maleic Anhydride → Maleic Acid

HRID 583573Notes

Reaction equation

HRID 583573 reaction equation
[C:1]1(=[O:7])[O:6][C:4](=[O:5])[CH:3]=[CH:2]1.[C:8]([OH:15])(=[O:14])/[CH:9]=[CH:10]/[C:11]([OH:13])=[O:12]>>[C:8]([OH:15])(=[O:14])/[CH:9]=[CH:10]/[C:11]([OH:13])=[O:12].[C:1]([OH:6])(=[O:7])/[CH:2]=[CH:3]\[C:4]([OH:12])=[O:5]

Participants

4

Reactant 2

HCID 7923Maleic AnhydrideHCID 444972Fumaric Acid

Product 2

HCID 444266Maleic AcidHCID 444972Fumaric Acid

Procedure

cooling said dehydrator bottom stream comprising molten maleic anhydride and fumaric acid to a temperature of about 250° F. to about 330° F. to precipitate the fumaric acid and form a slurry of fumaric acid in molten maleic acid;

Workup

  1. temperaturecooling
  2. customto a temperature of about 250° F. to about 330° F.
  3. customto precipitate the fumaric acid

Sources & evidence

ORD record
ord-78eb6252360b4d0bbae75747eedd05df
Source dataset
uspto-grants-1999_07
Patent number
US05929255

Reaction notes

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