Description

Potassium Alginate is the potassium salt of alginic acid, a natural polysaccharide derived from brown seaweed. This versatile hydrocolloid is prized for its ability to form stable, viscous solutions and gels, making it a critical functional ingredient across multiple industries. Key sectors that rely on its unique properties include food science, pharmaceuticals, and biotechnology for applications ranging from texture modification to controlled drug delivery.

Application

• Food Industry: Used as a thickener, stabilizer, and gelling agent in dairy products, desserts, sauces, and plant-based foods to improve texture and mouthfeel.
• Pharmaceuticals: Serves as a disintegrant in tablets, a binder in granulations, and a matrix-forming agent for sustained-release drug delivery systems.
• Dental Impressions: A key component in alginate-based impression materials due to its ability to form quick-setting, accurate molds.
• Biotechnology & Cell Culture: Employed to create hydrogels for 3D cell encapsulation and tissue engineering scaffolds.
• Cosmetics & Personal Care: Functions as a viscosity modifier and film-forming agent in lotions, creams, and masks.
• Technical Applications: Used in water treatment, textile printing, and as a binder in welding rod coatings.

Basic Information

Product Name	Potassium Alginate
CAS No.	9005-36-1
Molecular Formula	(C6H7O6K)n
Molecular Weight	Variable polymer
Synonyms	Alginic Acid, Potassium Salt; E402; Potassium Polymannuronate; Algin; Kelgin; Keltone; Protanal; Manucol; Alginate Gum; Alginic Acid Potassium
EINECS	232-680-1

Quality Control

Our Potassium Alginate is manufactured under strict quality systems. We offer grades compliant with relevant industry standards, including Food Chemical Codex (FCC) and pharmaceutical monographs. Every batch undergoes rigorous analytical testing to ensure consistent purity, viscosity, and performance. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles 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 opening to prevent caking and degradation due to moisture absorption.

Specification

Item	Specification
Appearance	White to yellowish fibrous or granular powder
Identification (IR)	Conforms
Assay (as K2O)	Contact for details
Viscosity (1% solution)	Contact for details
Loss on Drying	≤ 15.0%
Ash Content	Contact for details
pH (1% solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 20 ppm
Microbiological Total Plate Count	≤ 5,000 cfu/g

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