Sodium Alginate
time:2012-09-16 16:47:30,count:0

Sodium Alginate
Alias
Alginic acid, sodium salt
Category
Polymer surfactants-Sugar
CAS No.
9005-38-3
Structural Formula
Properties
Appearance: off-white to pale yellow solid.
Solubility: soluble in water.
Stability: stable.
Risk: irritation, low irritation to skin, eye.
Animal toxicity[1]: rat oral LD50: >5000mg/Kg;
rat intraperitoneal LD50: >1000mg/Kg;
rat intravenous LD50: 1000mg/Kg;
mouse intraperitoneal LDLo: 500mg/Kg.
Ecology: May be hazardous to environment. Water body should be given special attention.
Biodegradability: Biodegradable.
Characteristics: excellent sustained-release, thickening, dispersing, emulsifying, binding, moisture, film-forming abilities. good biocompatibility. With calcium ions, form gel. Polyelectrolyte.
Synthesis
 
Quality standards & test methods
item
physical and chemical indexes
test methods
actives, %,≥
90
 
Major Uses
Use as sustained-release agent, thickening agent, emulsifying agent, dispersing agent widely.
Conditioning agent, thickening agent, binding agent, masking agent, antiperspirants auxiliary components in personal care products.
Sizing agent in textile, silk, paper.
Clarifying agent in brewing industry.
Adhesives in powder molding.
Used in pharmaceutical industry.
Flocculants in water treatment, oil field.
Used as biological medium.
Use as food additive.
Use as radiation protection agent.
Use as colloidal stabilizer.
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/:9005-38-3
Update: 20140911(1);

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