Description

Di[(2E,4E)-2,4-Hexadienoic Acid]Zinc Salt is a coordination compound of zinc with sorbic acid, a widely recognized food preservative. This product offers the antimicrobial efficacy of sorbic acid in a stabilized, solid metal salt form, which can be advantageous for specific formulation and handling requirements. It is primarily utilized in industries requiring controlled-release preservation systems, such as food packaging, polymer stabilization, and select industrial processes.

Application

• Food Packaging & Coatings: Incorporated into polymer films and coatings for controlled antimicrobial release to extend shelf-life.
• Polymer Additive: Acts as a stabilizer and mild biocide in certain plastic and rubber formulations.
• Industrial Preservative: Used in adhesives, latexes, and other water-based industrial products to inhibit microbial growth.
• Animal Feed Additive: Employed as a mold inhibitor in feed and ingredient preservation.
• Cosmetic & Personal Care: Functions as a preservative in specific cosmetic formulations where the salt form is preferred.
• Research & Development: Serves as a reagent or precursor in chemical synthesis and material science research.

Basic Information

Item	Details
Product Name	Di[(2E,4E)-2,4-Hexadienoic Acid]Zinc Salt
CAS No.	5045-91-0
Molecular Formula	C12H14O4Zn
Molecular Weight	287.62 g/mol
Synonyms	Zinc Sorbate; Zinc (E,E)-Sorbate; Zinc 2,4-Hexadienoate; Sorbic Acid Zinc Salt; UNII-4QOZ6Q91QH; Zinc (II) Sorbate; Preservastat ZS; E 203 (when used as a food additive)
EINECS	225-725-6

Quality Control

Our Di[(2E,4E)-2,4-Hexadienoic Acid]Zinc Salt is manufactured under a strict quality management system. Production adheres to relevant food-grade and industrial specifications where applicable. Every batch is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and key physical parameters to ensure consistency and compliance with your requirements.

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 material is hygroscopic (moisture-sensitive); the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (as Zn Sorbate)	≥ 98.0 %
Zinc Content	22.0 - 23.5 %
Loss on Drying	≤ 2.0 %
Heavy Metals (as Pb)	≤ 10 ppm
Arsenic (As)	≤ 3 ppm

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