Hydrochloric Acid → Sodium Sorbate

HRID 1952393Notes

Reaction equation

HRID 1952393 reaction equation
C(=O)/C=C/C.C=C=O.Cl.NC(N)=O.[OH-].[Na+:15].[C:16]([OH:23])(=[O:22])/[CH:17]=[CH:18]/[CH:19]=[CH:20]/[CH3:21]>>[C:16]([O-:23])(=[O:22])/[CH:17]=[CH:18]/[CH:19]=[CH:20]/[CH3:21].[Na+:15]

Participants

7

Reactant 6

HCID 313Hydrochloric AcidHCID 1176UreaHCID 10038KeteneHCID 14798Sodium HydroxideHCID 447466CrotonaldehydeHCID 643460Sorbic Acid

Product 1

HCID 23665582Sodium Sorbate

Procedure

A related protocol is described in Japanese Unexamined Patent Application Publication No. 54-163516. Here, the polyester obtained from reacting crotonaldehyde and ketene is decomposed with hydrochloric acid in the presence of a urea compound. The resulting decomposition reaction mixture is filtered to yield crude sorbic acid. Aqueous sodium hydroxide solution is added to the crude sorbic acid to yield an aqueous sodium sorbate solution. The aqueous sodium sorbate solution is treated with activated carbon, neutralized, and cooled to crystallize the purified sorbic acid.

Workup

  1. customThe resulting decomposition reaction mixture
  2. filtrationis filtered
  3. customto yield crude sorbic acid

Sources & evidence

ORD record
ord-98de07ad10574bd38c249b7280fea49e
Source dataset
uspto-grants-2013_03
Patent number
US08404890B2

Reaction notes

Loading…