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Calcium Citrate (E333(iii))

Calcium Citrate (E333(iii))

  • Origin: China
  • CAS Number: 5785-44-4
  • HS Code: 2918.15.10
IUPAC Name
tricalcium bis(2-hydroxypropane-1,2,3-tricarboxylate)
Molecular Formula
C12H10Ca3O14
Molecular Weight (g/mol)
498.4000
InChIKey
FNAQSUUGMSOBHW-UHFFFAOYSA-H
InChI
InChI=1S/2C6H8O7.3Ca/c2*7-3(8)1-6(13,5(11)12)2-4(9)10;;;/h2*13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);;;/q;;3*+2/p-6
Synonyms & Trade Names
Calcium citrate; 813-94-5; Tricalcium dicitrate; Acicontral; TRICALCIUM CITRATE; Calcitrate; Citracal; Citrical; Calcium citrate, tribasic; Tribasic calcium citrate; Calcimax; Citric acid, calcium salt (2:3); INS NO.333(III); tricalcium citrate tetrahydrate; INS-333(III); Calcium (as citrate); 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, calcium salt (2:3); Calcium 2-hydroxy-1,2,3-propanetricarboxylate (3:2); 86117BWO7P; E-333(III)

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Technical Document

Calcium Citrate

Calcium citrate is manufactured by neutralizing citric acid with calcium hydroxide or carbonate followed by spray-drying, used as a calcium source, acidity regulator, sequestrant, and firming agent (INS 333) that provides superior absorption (3.5x better than carbonate), buffer stability across pH 3-10, and chelation of metals preventing discoloration or rancidity. In the food industry, it excels at mineral fortification without chalkiness or bitterness, beverage clarification, and texture control in low-acid systems.