Alginic acid
time:2012-09-16 16:46:40,count:0

Alginic acid
Alias
 
Category
Polymer surfactants-Sugar
CAS No.
9005-32-7
Structural Formula
Properties
Appearance: off-white to pale yellow solid.
Solubility: slightly soluble in water. Souble in alkali, such as sodium hydroxide solution.
Stability: stable.
Risk: irritation, low irritation to skin, eye.
Animal toxicity[1]: rat oral LD50: >5000mg/Kg;
rat intraperitoneal LD50: 1600mg/Kg;
mouse intraperitoneal LDLo: 1000mg/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.
Ingredient description: linear polysaccharide forming β-D-mannuronic acid and α-L-guluronic acid.
Synthesis
 
Quality standards & test methods
item
physical and chemical indexes
test methods
actives, %,≥
90
 
Major Uses
Use as adhesives, dispersing agent widely.
Use as water absorbing agent.
Conditioning agent, thickening agent, binding agent in personal care products.
Sizing agent in textile, silk, paper.
Adhesives, coatings, dental film in pharmaceutical industry.
Use as radiation protection agent.
Use as carrier.
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/:9005-32-7
Update: 20140911(1);

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