

Zinc Citrate
Chemical Name (IUPAC): Trizinc bis(citrate)
CAS No.: 5970-45-6
Chemical Formula: C₁₂H₁₀O₁₁Zn
Form/Physical State: Powder
Purity/Assay: ≥98%
Grade: Food / Nutritional Supplement Grade
Appearance: White crystalline powder
Zinc Citrate is an inorganic zinc compound in powder form, commonly used in dietary supplements, functional foods, and beverages, where high bioavailability, solubility, and trace mineral supplementation are required.
◼ High bioavailability ◼ Excellent solubility and stability ◼ pH Buffering
Liwei Metal is a supplier and exporter of Zinc Citrate, providing food and nutritional supplement grades for dietary supplements, functional foods, and beverage fortification.
Zinc Citrate Technical&Data Sheet
| Appearance | White to Almost white powder to crystal |
| Purity(Chelometric Titration) | min. 95.0 % |
| Water | 2.5 to 3.5 % |
| IR | confirm to structure |
Packaging &Storage
| Item | Specification / Guidance |
| Packaging | Standard: 25kg woven bag with inner PE liner. Container Loading (20‘FCL): • Approx. 20 – 22 MT without pallets. • Approx. 14 – 15 MT with pallets. Other Options: 1000kg jumbo bags or custom packaging upon request. |
| Shipping | Product is stable for ambient temperature shipping. Avoid prolonged exposure to extreme heat (>40°C). |
| Storage | Store in a cool, dry, and well-ventilated place. Keep container tightly closed. Store away from strong acids, alkalis, and odorous materials. |
| Shelf Life | 24 months in unopened original packaging under recommended storage conditions. |
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Application of Zinc Citrate
Core Identity & Primary Application
High-Bioavailability Zinc Fortification – Zinc Citrate is primarily valued as an organic zinc source with excellent solubility and bioavailability, making it ideal for nutritional enhancement where absorption and minimal taste impact are critical.
Application-Specific Advantages
- Nutraceuticals & Dietary Supplements
◼ Key Role: Active zinc ingredient in tablets, capsules, and gummies.
◼ Why Choose Zinc Citrate: Superior absorption compared to inorganic salts (e.g., zinc oxide) and neutral taste profile ensure efficacy and consumer acceptability. - Functional Foods & Beverages
◼ Key Role: Mineral fortification of cereals, dairy alternatives, and health drinks.
◼ Why Choose Zinc Citrate: High solubility prevents sedimentation, maintaining product clarity and consistency without altering flavor. - Oral Care Products
◼ Key Role: Anti-caries and anti-plaque agent in toothpaste and mouthwash.
◼ Why Choose Zinc Citrate: Effective zinc delivery with good compatibility in oral.
◼ care formulations and proven efficacy. - Other:
◼ pH Buffer & Stabilizer: Contributes to system stability in complex formulations.
◼ Chelating Agent: Can bind trace metals, acting as a secondary preservative booster.
Compliance & Documentation
| Item | Details |
|---|---|
| Compliance Standards | • FCC • USP / NF • BP / EP • Relevant ISO Standards |
| Supporting Documents | • Certificate of Analysis (COA) – Provided per batch. • Technical Data Sheet (TDS) • Safety Data Sheet (SDS/MSDS) • Additional certifications (e.g., Halal, Kosher) are available upon request. |
| Notes | All documents are available for download or will be provided upon formal inquiry to support your regulatory and quality review processes. |