Hydroxypropyl methylcellulose
time:2013-01-18 11:49:21,count:0
Hydroxypropyl methylcellulose
Alias
HPMC
Cellulose, 2-hydroxypropyl methyl ether
Category
Polymer surfactants-Sugar
CAS No.
9004-65-3
Structural Formula
Schematic formula:
Properties
Appearance: powder.
Solubility: soluble in water.
Stability: stable.
Risk: irritation, irritation to skin, eye.
Animal toxicity[1]: mouse intraperitoneal LD50: 5000mg/Kg; rat intraperitoneal LD50: 5200mg/Kg.
Ecology: May be hazardous to environment. Water body should be given special attention.
Biodegradability: Biodegradable.
Characteristics: excellent dispersing, emulsifying, thickening, film-forming abilities.
Synthesis
 
Quality standards & test methods
item
physical and chemical indexes
test methods
actives*, %,≥
80
 
*: Average molecular weight should be marked.
Major Uses
Use as slow-release agent.
Use as thickening agent.
Use as water-based lubricant.
Film-forming agent, emulsion stabilizer, viscosity controlling agent, water retaining agent in personal care products.
Use as emulsion stabilizer, dispersing agent.
Use as pharmaceutical excipients.
Use as adhesives. eg: powder molding, ceramic.
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/:9004-65-3
Update: 20140911(1);
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