CAS No.: | 9003-01-4 |
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Formula: | (C3h4o2)N |
EINECS: | 618-435-5 |
Carboxyl No.: | Dicarboxylic Acid |
Alkyl No.: | Unsaturated Acid |
Appearance: | Powder |
Samples: |
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Customization: |
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Carbopol, also called CarbCarbopol, also called Carbomer or Carboxypoly-methylene is a generic name for synthetic high molecular weight polymers used as thickening, dispersing, suspending and emulsifying agents in pharmaceuticals and cosmetics. They may be homopolymers , Carbomers are found in the market as white and fluffy powders. They have the ability to absorb, retain water and swell to many times their original volume. Carbomers codes (910, 934, 940, 941 and 934P) are an indication of molecular weight and the specific components of the polymer .
Items |
Specification |
Result |
Appearance |
Fluffy,white powder,with slight odor |
Conform |
Ignition residue |
≤2% |
1.6% |
PH |
2.5-3.5 |
3 |
Heavy metal |
≤20ppm |
Conform |
Benzene |
<0.0002% |
Conform |
Viscosity |
40000-60000mpa.s |
51000mpa.s |
Loss on drying |
≤2% |
Conform |
Assay for carboxylic acid |
56%-68% |
67% |
Carbomer 940 is used for topical formulations and suitable for preparation of gels, creams and coupling agent. Carbomer and cross-linked acrylic resin as well as series products of these cross-linked are widely used at present and are often used in topical lotion, cream and gel. In a neutral environment, Carbomer system is an excellent gel matrix with crystal appearance and nice sense of touch, so Carbomer is suitable for preparation of cream or gel.
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