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Calcium Citrate Tetrahydrate
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Calcium Citrate Tetrahydrate

Chemical Name: Calcium Citrate Tetrahydrate (Tricalcium Citrate Tetrahydrate)
Chemical Formula: C₁₂H₁₀Ca₃O₁₄·4H₂O or Ca₃(C₆H₅O₇)₂·4H₂O
Molecular Weight: 570.50 g/mol
CAS: 5785-44-4
Appearance: White crystalline powder or white crystals
Odor: Odorless
Density: 1.857 g/cm³ (relative density d₄²⁵) 
CategoriesNutrition Enhancer
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Technical Datas

Items

Standards

Common Grade

Standards

FCC VII

Content (On dry basis),w/%

97.5-100.5

97.5-100.5

Lead (Pb),mg/kg ≤

2

2

Arsenic (As),mg/kg ≤

3

-

Fluoride,mg/kg ≤

30

30

Loss on drying(150℃,4h),w/% ≤

10.0-14.0

10.0-14.0


Uses and Applications
1. Food Industry (E333)
-Calcium Fortification: Primary use as a calcium supplement in food products including cereals, dairy products, infant formula, and beverages
-Acidity Regulator: Acts as a buffer and pH regulator in food systems
-Chelating Agent: Binds metal ions to prevent oxidation and discoloration
-Gelling Agent: Contributes to gel formation in certain food products
-Advantages: Superior absorption compared to inorganic calcium sources; less likely to cause constipation than calcium carbonate
-Typical Usage Levels（only for reference):
。Cereal and grain products: 8-16 g/kg
。Dairy drinks and beverages: 1.8-3.6 g/kg
。Infant formula: As per nutritional requirements
2. Other Industrial Applications
-Animal Feed: Used as a mineral additive in animal nutrition
-Buffering Agent: Functions as a buffer in various industrial processes
-Curing Agent: Acts as a solidifying agent in certain applications 


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