Description

Zinc Citrate CAS NO 5590-32-9 is a white, crystalline powder that serves as a highly bioavailable source of zinc. This compound is valued for its stability and compatibility in various formulations, making it a preferred choice for nutritional and pharmaceutical applications. It is essential for manufacturers in the dietary supplement, food fortification, and personal care industries seeking a reliable and effective zinc source.

Application

• Dietary Supplements & Nutraceuticals: A key ingredient in multivitamin/mineral tablets, capsules, and gummies to support immune function and overall wellness.
• Food & Beverage Fortification: Used to enrich cereals, nutritional bars, and beverages, complying with food-grade standards like FCC.
• Oral Care Products: Incorporated into toothpastes and mouthwashes for its anti-plaque and anti-odor properties.
• Pharmaceutical Formulations: Utilized in solid dosage forms such as tablets and lozenges as a therapeutic zinc source.
• Cosmetics & Personal Care: Acts as a skin protectant and astringent in creams, lotions, and deodorants.
• Animal Nutrition: Serves as a zinc supplement in premixes and feed for livestock and pets.

Basic Information

Product Name	Zinc Citrate
CAS No.	5590-32-9
Molecular Formula	C12H10O14Zn3 • 2H2O
Molecular Weight	610.37 g/mol (dihydrate)
Synonyms	Zinc Citrate Dihydrate; Citric Acid, Zinc Salt; Trizinc Dicitrate; 2-Hydroxy-1,2,3-propanetricarboxylic Acid, Zinc Salt; Zinc (2R,3S)-2-hydroxypropane-1,2,3-tricarboxylate; Tris(zinc) 2-hydroxypropane-1,2,3-tricarboxylate; Zinc Citrate Tribasic
EINECS	226-984-8

Quality Control

Our Zinc Citrate is manufactured under strict quality management systems. We offer grades compliant with FCC (Food Chemicals Codex) and USP (United States Pharmacopeia) standards, ensuring suitability for food, nutritional, and pharmaceutical applications. Every batch undergoes rigorous analytical testing, and a Certificate of Analysis (COA) is provided to guarantee purity, identity, and safety.

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	≤ 12.0%
Lead (Pb)	≤ 2 mg/kg
Arsenic (As)	≤ 3 mg/kg
Mercury (Hg)	≤ 1 mg/kg
Cadmium (Cd)	≤ 1 mg/kg
Microbiological Criteria	Meets standard requirements

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