Description

Zinc Citrate is a high-purity, white crystalline powder widely recognized for its excellent bioavailability and stability. This essential mineral compound is crucial for formulating products where consistent quality and reliable performance are paramount. It serves as a vital ingredient for manufacturers in the global nutraceutical, food fortification, and personal care industries seeking a safe and effective zinc source.

Application

• Dietary Supplements & Nutraceuticals: A key mineral source in multivitamin, mineral, and immune-support formulations due to its high bioavailability.
• Food & Beverage Fortification: Used to enrich cereals, nutritional bars, dairy alternatives, and beverages to address zinc deficiency.
• Oral Care Products: An active ingredient in toothpastes and mouthwashes for its anti-plaque and anti-odor properties.
• Pharmaceutical Preparations: Employed in solid dosage forms like tablets and capsules as a therapeutic zinc supplement.
• Cosmetics & Personal Care: Functions as a skin protectant and astringent in creams, lotions, and deodorants.
• Animal Nutrition (Feed Premixes): Incorporated into feed for livestock, poultry, and pets to support growth, immunity, and overall health.

Basic Information

Item	Details
Product Name	Zinc Citrate
CAS No.	546-46-3
Molecular Formula	C12H10O14Zn3 • 2H2O
Molecular Weight	610.37 g/mol (dihydrate)
Synonyms	Zinc Citrate Dihydrate; Trizinc Dicitrate; Citric Acid, Zinc Salt; 2-Hydroxy-1,2,3-propanetricarboxylic Acid, Zinc Salt; Zinc 2-Hydroxypropane-1,2,3-tricarboxylate; INS No. 350; EINECS 208-901-2
EINECS	208-901-2

Quality Control

Our Zinc Citrate is manufactured under strict quality management systems. It is tested to meet stringent specifications for identity, purity, and heavy metal content, aligning with relevant standards for food, pharmaceutical, and nutraceutical applications. A comprehensive Certificate of Analysis (COA) is provided with each batch to ensure traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White or almost white, crystalline powder
Identification (IR)	Conforms
Assay (Zn Content)	31.0% - 34.0% (on dried basis)
Loss on Drying	10.0% - 14.0%
Lead (Pb)	≤ 2 mg/kg
Cadmium (Cd)	≤ 1 mg/kg
Mercury (Hg)	≤ 1 mg/kg
Arsenic (As)	≤ 3 mg/kg
Microbiological Total Plate Count	≤ 1000 cfu/g
Yeast & Molds	≤ 100 cfu/g

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.