Zinc citrate CAS No.:546-46-3
Biochemical Materials 2025-03-18
ZINC CITRATE
CAS No.: 546-46-3
Molecular Formula: Zn₃(C₆H₅O₇)₂
Molecular Weight: 574.34 g/mol
1. SPECIFICATIONS
| Parameter | Standard Value |
|---|---|
| Appearance | White powder |
| Odor | Odorless |
| Purity (Content) | 98.0–102.0% |
| Zinc Content (as Zn) | ≥31.3% |
| Fluoride (F) | ≤0.05% |
| Sulfate (SO₄) | ≤0.05% |
| Loss on Drying (105°C) | ≤1.0% |
| pH (1% aqueous solution) | 5.0–7.0 |
| Arsenic (As) | ≤3 ppm |
| Cadmium (Cd) | ≤5 ppm |
| Lead (Pb) | ≤10 ppm |
| Total Aerobic Count | ≤500 CFU/g |
| Total Mold & Yeast | ≤100 CFU/g |
2. PHYSICAL & CHEMICAL PROPERTIES
- Solubility: Slightly soluble in water; soluble in dilute acids.
- Density: ~1.7 g/cm³ (estimated).
- Decomposition Temperature: >150°C.
- Hygroscopicity: Low (stable under dry conditions).
3. HAZARD & SAFETY (GHS)
| Hazard Code | Risk Statement | Precautionary Measures |
|---|---|---|
| H315 | Causes skin irritation. | Wear gloves/protective clothing. |
| H319 | Causes serious eye irritation. | Use eye protection. |
| H335 | May cause respiratory irritation. | Use in well-ventilated areas. |
NFPA Rating: Health 1 | Flammability 0 | Reactivity 0.
4. STORAGE & HANDLING
- Storage: Cool, dry, ventilated area; avoid sunlight and moisture.
- Packaging: 25 kg/bag, drum, or as per buyer’s request.
- Shelf Life: 24 months if stored properly.
5. APPLICATIONS
- Pharmaceutical:
- Treatment of zinc deficiency (children’s growth retardation, anorexia).
- Pediatric supplements for malnutrition.
- Food & Nutrition:
- Zinc fortification in dietary supplements.
- Cosmetics:
- Antimicrobial agent in personal care products.
6. REGULATORY COMPLIANCE
- REACH: Registered in EU.
- USP/EP: Complies with pharmacopeia standards.
- Transport: Non-hazardous for general transport.
