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Alginic Acid Sodium

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Alginic Acid Sodium

Name:Sodium Alginate
CAS No.:9005-38-3
Appearance:White or pale yellow powder
Molecular formula:C6H9O7Na
Molecular Weight:216.1212
Boiling point:495.2°C at 760 mmHg
Flash point:211.1°C
Vapor Pressure:6.95E-12mmHg at 25°C
Application:Food industry, medicine, printing and textile industry, etc.
  • Product Details

Description:

1. Application in food

Sodium alginate is used to replace starch and gelatin as a stabilizer for ice cream, which can control the formation of ice crystals, improve the taste of ice cream, and can also stabilize mixed beverages such as sugar water sorbet, ice sherbet, and frozen milk. Many dairy products, such as refined cheese, whipped cream, dry cheese, etc., use the stabilizing effect of sodium alginate to prevent the stickiness of food and packaging, and can be used as a covering for dairy accessories to stabilize and prevent frosting. Skin cracked.

 

2. Application in pharmaceutical preparations

Sodium alginate has been included in the US Pharmacopoeia as early as 1938. Alginic acid was included in the British Pharmacopoeia in 1963. Alginic acid is insoluble in water, but swells when placed in water. Therefore, traditionally, sodium alginate is used as a binder for tablets, while alginic acid is used as a disintegrant for immediate release tablets. However, the effect of sodium alginate on tablet properties depends on the amount included in the formulation, and in some cases sodium alginate can promote tablet disintegration. Sodium alginate can be added during the granulation process, rather than in the form of powder after granulation, which makes the production process simpler. The resulting sheet is mechanically stronger than using starch.

 

3. Application in printing and spinning industry

Sodium alginate is used as reactive dye paste in printing and dyeing industry, which is superior to grain starch and other pastes. The printed textiles have bright patterns, clear lines, high color yield, uniform color yield, and good permeability and plasticity. Algin glue is the best paste for modern printing and dyeing industry, and it has been widely used in the printing of various fabrics such as cotton, wool, silk, nylon, etc. It is especially suitable for preparing dyeing printing paste.

 

4. Application in the pharmaceutical industry

The PS type gastrointestinal dual imaging barium sulfate preparation made of alginate sulfate dispersant has the characteristics of low viscosity, fine particle size, good wall adhesion and stable performance.

PSS is a kind of fucoidan diester sodium developed with alginic acid as raw material, which has anticoagulant, blood lipid lowering and blood viscosity reducing effects.

Using seaweed glue instead of rubber and gypsum as dental impression material is not only cheap and easy to operate, but also the printed tooth shape is more accurate.

Alginate can also be used to make various dosage forms of hemostatic agents, including hemostatic sponge, hemostatic gauze, hemostatic film, scalded gauze, spray hemostatic agent, etc.

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