Model: Carbomer940 Chemical name: crosslinked polypropylene acid resin. Molecular structure: - [-CH2-CH-]N-COOH CAS No.:9003-01-4 MF:C3H4O2
Appearance: white loose powder, with characteristic micro odor, wet Purity:More than 99% Residue: less than 2% Acidity: 2.5-3.5 Heavy metal: less than 20ppm Benzene content is less than or equal to 0.0002% Viscosity: 40000 ~ 60000 mpa.s Dry weight loss: less than 2% carboxylic acid Content determination: 56%-68%
Carbomer 940 Chemical Properties
bp 116 °C density 1.2 g/mL at 25 °C refractive index n20/D 1.442 Fp 100 °C storage temp. 2-8°C EPA Substance Registry System 2-Propenoic acid, homopolymer(9003-01-4)
Features: high viscosity and viscosity enhancement effect Scope of use: used for external preparation, suitable for the preparation of gel, cream, coupling agent.
Application in topical emulsion, cream, gel. Neutral environment carbomer gel matrix system is excellent, the apparent crystal, feel lubrication, very suitable for the preparation of cream or gel, and because the process is simple, good stability, after use feel comfortable, so in the local administration, especially with the widely used gel on skin and eye.