
Product Details
Product Name: Copper citrate | CAS No.: 10402-15-0 |
EC-No.: 212-752-9 | Min. Order: 1ton |
Purity: 99% | Supply Ability: 1000T/M |
Release date: 2025/08/08 |
Product Name: Copper Citrate
Synonyms: Cupric Citrate
Molecular Formula: Cu?(C?H?O?)?·xH?O
Molecular Weight: ~568.75 g/mol (anhydrous form)
Grades Available: Food Grade / Industrial Grade
1. Product Description
Copper Citrate is a green to blue-green crystalline powder that serves as an organic copper salt formed from citric acid and copper ions. It is used as a dietary copper source in nutritional supplements and food fortification, and also in industrial formulations such as catalysts and reagents. Its bioavailability and lower gastrointestinal reactivity make it preferable in nutritional applications compared to inorganic copper salts.
2. Technical Specifications
Property | Food Grade Specification | Industrial Grade Specification |
---|---|---|
Appearance | Green to blue-green crystalline powder | Green powder |
Copper Content (Cu) | 22.0% – 24.0% | ≥ 21.0% |
Solubility | Slightly soluble in water, soluble in acid | Slightly soluble in water |
pH (1% solution) | 3.5 – 5.5 | 3.0 – 6.0 |
Moisture Content (LOD) | ≤ 12.0% | ≤ 15.0% |
Heavy Metals (as Pb) | ≤ 10 ppm | ≤ 20 ppm |
Arsenic (As) | ≤ 1 ppm | ≤ 3 ppm |
Lead (Pb) | ≤ 2 ppm | ≤ 5 ppm |
Cadmium (Cd) | ≤ 1 ppm | ≤ 2 ppm |
Mercury (Hg) | ≤ 0.1 ppm | ≤ 1 ppm |
Mesh Size | 100% through 80 mesh | 90% through 80 mesh |
Identification (Cu, Citrate) | Positive | Positive |
Total Plate Count | ≤ 1000 CFU/g | N/A |
Yeast & Mold | ≤ 100 CFU/g | N/A |
E. coli / Salmonella | Negative | N/A |
3. Applications
Food Grade
Nutritional supplement for copper fortification.
Used in functional foods, dietary formulations, and pharmaceutical-grade vitamins.
Supports enzymatic functions, iron metabolism, and bone health.
Industrial Grade
Used as a catalyst in organic synthesis.
Additive in ceramics, glass, and pigments.
Laboratory reagent or intermediate in metal chemistry.
4. Packaging
Standard Packaging: 25 kg fiber drums or kraft paper bags with PE liner
Custom Packaging: Available upon request
Labeling: Product name, net weight, batch number, manufacturing date, expiry date
5. Storage & Handling
Store in a cool, dry, and well-ventilated area.
Protect from moisture, sunlight, and incompatible substances (e.g., strong oxidizers).
Use personal protective equipment (PPE) when handling large quantities.
6. Shelf Life
24 months from date of manufacture when stored under recommended conditions.
7. Regulatory Information
Food Grade Compliance: Meets applicable requirements of FCC / USP / EU food additive regulations (as per customer request).
GMO Status: Non-GMO
Allergen Status: Allergen-free
BSE/TSE: Free from animal-derived components
REACH / RoHS / Proposition 65: Available upon request for industrial grade
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- Since: 2025-04-07
- Address: C-309, No. 12 Yuzhou S. Rd, Haizhou, Lianyungang, Jiangsu, China