carbomer

Carbomer 940,934 980 990 ,980 - 940 P ,94; ETD 2050, 934 P -974 P ,941P Ultrez 20

Carbomer/Carbopol: Good quality & timely supply; Competitive price & best service; Strict quality control & experienced te

  Carbomer(synonym: Carbopol ), chemical name: Carboxypolymethylene. It is high molecular weight cross-linked polymer. As a pharmaceutical and cosmetic excipient, it was included in some pharmacopeias such as US and UK ones in 1957. Now it is extensively and used in pharmacy,daily chemical industries and other industrial fields.1. Composition: Acrylic acid polymer2. Character: White loose powder with relatively strong moisture absorption and slight particular odor, soluble in alcohol, glycerol.3. Specifications: Based on China Pharmacopeia 2005 edition,Part Two Sanction number: (2005)428401 (Approved by Jinagsu Food And Drug Administration)

Item	Specification
Appearance	White loose powder
pH	2.5-3.5
Benzene,%	≤0.0002
Loss on drying,%	≤2.0
Residue on ignition,%	≤2.0
Heavy metal,ppm	≤20
Viscosity	15-30
Assay for carboxylic acid content,%	56.0-68.0

US Pharmacopoeia(USP 24 NF 19)

Carbomer	Viscosity(5% neutral solution)	Usage
934	30500-39400	Preparation for topical use,gels,emulsion,suspension
940	40000-60000	Preparation for topical use,crystal gels with good clarity
941	4000-11000	Preparation for topical use,crystal gels with good clarity
1342	9500-26500(1%)	Preparation for topical use, emulsification,excellent electrolyte tolerance
934P	29400-39400	Controlled release prepartaion for oral,topical delivery system

carbomer