Description

Carbonic Acid, Zinc Salt, Basic is a specialized inorganic compound with the CAS registry number 51839-25-9. This material serves as a critical source of bioavailable zinc and acts as a functional additive in various industrial formulations. It is essential for manufacturers in the pharmaceutical, nutritional supplement, polymer stabilizer, and personal care industries seeking a consistent and high-purity zinc compound.

Application

• Pharmaceutical & Nutraceutical Ingredient: Used as a zinc source in tablet and capsule formulations for mineral supplementation.
• Polymer Additive: Functions as a heat stabilizer and acid scavenger in PVC and other polymer systems.
• Personal Care & Cosmetics: Incorporated into products like creams, lotions, and deodorants for its astringent and antimicrobial properties.
• Animal Nutrition: Serves as a zinc supplement in premixes and feed additives for livestock and poultry.
• Industrial Catalyst & Reagent: Employed in specific organic synthesis and chemical manufacturing processes.
• Rubber Vulcanization: Acts as an activator in the vulcanization process of rubber compounds.

Basic Information

Product Name	Carbonic Acid, Zinc Salt, Basic
CAS No.	51839-25-9
Molecular Formula	ZnCO₃·2Zn(OH)₂·H₂O (Typical)
Molecular Weight	342.19 g/mol (approx., for typical composition)
Synonyms	Basic Zinc Carbonate; Zinc Carbonate Hydroxide; Zinc Subcarbonate; Zinc Hydroxycarbonate; Zinc Carbonate Basic; C.I. 77950; Galvanite; Zinconium
EINECS	Contact for details

Quality Control

Our Carbonic Acid, Zinc Salt, Basic is manufactured under a strict quality management system. Production adheres to current Good Manufacturing Practices (cGMP) where applicable, ensuring batch-to-batch consistency. Every lot is tested against rigorous in-house specifications for identity, purity, and heavy metal content. A comprehensive Certificate of Analysis (COA) is provided with each shipment.

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 each use to prevent absorption of atmospheric moisture and CO₂, which can affect product quality.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Assay (as Zn)	55.0 - 60.0 %
Loss on Drying	≤ 2.0 %
Chloride (Cl)	≤ 0.05 %
Sulfate (SO₄)	≤ 0.05 %
Lead (Pb)	≤ 10 ppm
Arsenic (As)	≤ 3 ppm
Cadmium (Cd)	≤ 2 ppm

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