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].[Al+3:14].[Cl-].[Cl-].[Cl-]>>[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+3:14]

Participants

Reactant 2

HCID 311Citric Acid

HCID 6451240Aluminum(III) Chloride

Product 1

HCID 91599Aluminum Citrate

Procedure

combining the AlCl3 solution with an aqueous solution of citric acid containing up to about 50 weight % citric acid, while vigorously agitating the resultant solution, to form an aluminum citrate solution having a mole ratio of aluminum ion to citric acid molecule of from about 1.5:1 to 2.0:1, said AlCl3 solution being provided in an amount sufficient to form an aluminum citrate solution containing from 1 up to about 3 weight % aluminum; and

Workup

custombeing provided in an amount sufficient

Sources & evidence

ORD record: ord-4ea450bebf484b7b8f360d8f83933889
Source dataset: uspto-grants-1984_05
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US04447364

Reaction notes

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