Sodium Alginate | 9005-38-3

Cas No :

9005-38-3

Molecular Weight :

216.12G/Mol

Molecular Formula :

C6H9NAO7

Description :

Overview of Sodium Alginate

 

Sodium Alginate is a naturally occurring polysaccharide that is extracted from seaweed and is used in the form of an excipient in pharmaceuticals, also known as a food additive. It is a biomaterial. The gelling properties of Sodium Alginate are outstanding, as well as its thickening properties, and its stabilizing and film-forming characteristics. Sodium Alginate is widely utilized in pharmaceutical formulations such as dental impressions, wound dressings, and other food products.

This excipient appears as a white to yellowish-brown fibrous or granular powder with characteristic viscosity-building properties. Its properties—natural origin, biocompatibility, pH-responsive gelation, and mucoadhesiveness—make it valuable across the pharmaceutical, medical device, and food industries.

Related products include Calcium Alginate, Alginic Acid, Pectin, and other natural polysaccharide excipients used in various formulation applications.

 

 

Applications of Sodium Alginate

 

Pharmaceutical Excipient

 

  • Used as a disintegrant in tablet formulations
  • Functions as a binder in wet granulation
  • Applied as a suspending and thickening agent
  • Used in controlled-release and gastroretentive drug delivery
  • Applied as a film-forming agent in coating
  • Used in mucoadhesive drug delivery systems

 

Medical & Healthcare Applications

 

  • Used in alginate wound dressings for exuding wounds
  • Applied to dental impression materials
  • Used in antacid and reflux formulations (forms a gel barrier)
  • Applied to hemostatic products
  • Used in tissue engineering scaffolds
  • Applied to drug-eluting beads and microspheres

 

Food & Other Applications

 

  • It is used to thicken and stabilise in beverages and food items.
  • Affects restructured food items and also encapsulation
  • It is used in printing on textiles as well as coating paper
  • It is used in cosmetic and personal product for personal care
  • Eco-friendly and biodegradable

 

Handling and Safety Guidelines

 

  • Do not inhale fine powder
  • Use appropriate dust control measures
  • Make sure you wear gloves and protective clothing while handling
  • Place in a dry, cool area away from water
  • Be sure to follow COA and MSDS guidelines completely

 

 

Where to Buy Sodium Alginate?

 

Sodium Alginate Manufacturer

 

ChemicalBull supplies high-purity Sodium Alginate that meets IP/EP/USP/NF and food-grade quality standards.

 

Sodium Alginate Supplier & Distributor

 

  • Available in bulk packing for pharmaceutical, medical, and food use
  • Multiple viscosity grades available (low, medium, high)
  • Pharmaceutical and food-grade options
  • COA, MSDS, and regulatory documents provided

 

 

MSDS

 

Includes detailed safety instructions, hazard identification, and storage guidelines.

 

 

Frequently Asked Questions (FAQs)

 

  1. What is Sodium Alginate used for?

    It is used as a pharmaceutical excipient (disintegrant, binder, controlled-release), in wound dressings, dental impressions, and antacid formulations, and as a food additive (thickener, stabilizer).

  2. How does Sodium Alginate form gels?

    It forms gels through ionic crosslinking with divalent cations (calcium, zinc) or in acidic conditions (by converting to alginic acid), forming a three-dimensional network.

  3. Is Sodium Alginate safe for consumption?

    Yes, it is generally recognized as safe (GRAS) for use in foods and pharmaceuticals with a long history of safe use.