Carbomer
time:2012-09-23 17:00:51,count:0

Carbomer
Alias
Polymer of 2-propenoic acid, cross-linked with allyl ethers of pentaerythritol
Polymer of 2-propenoic acid, cross-linked with allyl ethers of sucrose
Polymer of 2-propenoic acid, cross-linked with allyl ethers of sucrose or pentaerythritol
Category
Polymer surfactants- Acrylic polymer
CAS No.
9003-01-4; 9007-20-9
Structural Formula
 
Properties
Appearance: solid.
Solubility: soluble in water. forming acidic solution.
Hygroscopicity: hygroscopic.
Stability: stable.
Risk: irritation, irritation to skin, eye.
Animal toxicity[1]: rat oral LD50: 2500mg/Kg;
mouse oral LD50: 4600mg/Kg;
mouse intravenous LD50: 70mg/Kg;
mouse intraperitoneal LD50: 39mg/Kg;
guinea pig oral LD50: 2000mg/Kg.
overall carcinogenic evaluation: Group 3.
Ecology: May be hazardous to environment. Water body should be given special attention.
Biodegradability: Biodegradable.
Characteristics: excellent film-forming, dispersing, emulsifying, thickening abilities. optimum pH value: 4-10. poor tolerance to ions; worse tolerance to heavy metal ions. poor tolerance to cation. Some models, such as: Carbomer 1342, Carbomer 941, certain degree of tolerance on the ions; Carbomer 2020, strong degree of tolerance on the ions.
Synthesis
 
Quality standards & test methods
item
physical and chemical indexes
test methods
Actives*, %,≥
95
 
*: Average molecular weight should be marked.
Major Uses
Emulsion stabilizers, gel-forming agent, thickening agent in personal care products.
Use as dispersing agent, emulsifying agent.
Use as thickening agent.
Use as gel-forming agent. eg: pharmaceuticals, personal care products.
Product members
Carbomer 940(cas: 76050-42-5);
Carbomer 941(cas: 9062-04-8);
Carbomer 934(cas: 9007-16-3);
Carbomer C(cas: 9007-17-4);
Carbomer 910;
Carbomer 1342;
Carbomer 934P;
Carbomer 960;
Carbomer 961;
Carbomer 971;
Carbomer 971P;
Carbomer 974P;
Carbomer 980;
Carbomer 981;
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/:9003-01-4
Update: 20140908(1);

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