Citric Acid → Aluminum Citrate

Reaction equation

[C:1]([OH:13])(=[O:12])[CH2:2][C:3]([CH2:8][C:9]([OH:11])=[O:10])([C:5]([OH:7])=[O:6])[OH:4].O=[Al-:15]=O.[Na+]>>[C:1]([O-:13])(=[O:12])[CH2:2][C:3]([CH2:8][C:9]([O-:11])=[O:10])([C:5]([O-:7])=[O:6])[OH:4].[Al+3:15]

Participants

Reactant 2

HCID 311Citric Acid

HCID 14766Sodium aluminate

Product 1

HCID 91599Aluminum Citrate

Procedure

To the amine in the sodium aluminate example above, citric acid was added to bring the pH to the range of 7.5-9. The control did not require any acid addition.

Workup

additionany acid addition

Sources & evidence

ORD record: ord-a2f5317e78624d838c7b86d4e74e1541
Source dataset: uspto-grants-2013_12
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08603340B2

Reaction notes

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