Citric Acid → Trisodium citrate

HRID 726927Notes

Reaction equation

HRID 726927 reaction equation
[OH-].[Na+:2].[C:3]([OH:15])(=[O:14])[CH2:4][C:5]([CH2:10][C:11]([OH:13])=[O:12])([C:7]([OH:9])=[O:8])[OH:6]>C(O)(=O)C>[C:3]([O-:15])(=[O:14])[CH2:4][C:5]([CH2:10][C:11]([O-:13])=[O:12])([C:7]([O-:9])=[O:8])[OH:6].[Na+:2].[Na+:2].[Na+:2]

Participants

4

Reactant 2

HCID 311Citric AcidHCID 14798Sodium Hydroxide

Product 1

HCID 6224Trisodium citrate

Reagents, catalysts & solvents 1

HCID 176Acetic AcidSolvent

Procedure

The procedure of Example 3 was followed except that in lieu of the composition of Example 1 and the sodium hydroxide there was utilized 3.0 lbs of the composition of Example 2 with sufficient citric acid to give a pH of 4.0-4.5 (buffered with sodium citrate) or acetic acid (56%) buffered with sodium acetate at a temperature of 180°-185° F.

Sources & evidence

ORD record
ord-316699641d524547b69d3c451e02ab79
Source dataset
uspto-grants-1998_01
Patent number
US05711764

Reaction notes

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