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Alginic Acid Raw Materials powder Alginic Acid
Product Overview:
Alginic acid is a viscous organic acid, also known as alginic acid and alginic acid. The product is white to light yellow-brown powder. The average molecular weight is about 240,000. The melting point is >300℃. It is slightly soluble in hot water, and the viscosity of its aqueous solution is 4 times higher than that of starch. It is insoluble in cold water and organic solvents, and slowly dissolves in alkaline solutions. It has no odor. In nature, it is widely present in the cell walls of hundreds of brown algae such as giant kelp, kelp, fucus and sargassum. Among them, the content in Laminariaceae algae is relatively high (about 20% on average), and most of them exist in the form of calcium salts and magnesium salts.
Alginic Acid Raw Materials powder Alginic Acid Attributes
CAS:9005-32-7
MF:(C6H8O6)n
MW:/
EINECS:232-680-1
Specification: 99% min Alginic Acid powder
Sample:Alginic Acid powder
Packaging:1kg/bag, 25kg/drum
Brand: Raw Materials
Appearance:White
Storage: Cool Dry Place
Shelf Life: 2 Years
Test Method: HPLC
Alginic Acid Raw Materials powder Alginic Acid Details
Alginic Acid powder Usage and Synthesis.
The main component of sodium alginate is the sodium salt of alginic acid, which is a mixture of polyuronic acid. Sodium alginate is widely used in pharmaceutical preparations, food and cosmetics. It is an almost non-toxic and non-irritating substance.
The gel formed by sodium alginate and calcium ions has the characteristics of freeze resistance and water absorption and swelling recovery after drying. The viscosity of sodium alginate affects the brittleness of the formed gel. The higher the viscosity, the brittler the gel.
The gel obtained by increasing the concentration of calcium ions and sodium alginate has increased strength. The gel formation process can be controlled by adjusting the pH, selecting appropriate calcium salts and adding phosphate buffers or chelating agents. It can also be controlled by gradually releasing multivalent cations or hydrogen ions, or both.
Uses and functions of Alginic Acid.
In the pharmaceutical industry, it is used to make drugs such as stomach-covering drugs, and is also used as an excipient, disintegrant, binder and stabilizer for tablets; it is often used as a stabilizer, thickener, emulsifier, etc. in food and cosmetics. When used, it is generally processed into sodium salts. Emulsifier. Protective colloid. It is a pharmaceutical excipient, used as a binder, disintegrant, thickener, and suspending agent for tablets.
Advantage of Alginic Acid.
Product Method of Bulk Alginic Acid.
Various brown algae (such as kelp, giant kelp, etc.) are washed with acidic water containing dilute hydrochloric acid to remove attached iodine, mannitol, salt, laminin, fucoidan, etc., and then stirred and extracted with sodium hydroxide or sodium carbonate solution.
