Zinc citrate CAS No.:546-46-3

 ZINC CITRATE

CAS No.: 546-46-3
Molecular Formula: Zn₃(C₆H₅O₇)₂
Molecular Weight: 574.34 g/mol

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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

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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).

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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.

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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.

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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.

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6. REGULATORY COMPLIANCE

REACH: Registered in EU.USP/EP: Complies with pharmacopeia standards.Transport: Non-hazardous for general transport.

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