CAS · 76050-42-5
Product Overview
Carbomer 940 is a high-purity resins supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.
Product Specifications
| Grade: | 71G, USP/NF |
|---|---|
| Appearance: | White granules |
| Identification: | Colorimetric: pass Gel formation: pass Infrared spectrum: pass Precipitate test: pass |
| Particle size: | Pass through 40 mesh (425 μm): <95% Pass through 100 mesh (150 μm): ≥10% |
| 0.5% solution viscosity (20 r/min, 25℃, mPa·s): | 40,000 - 110,000 |
| Carboxylic Acid content: | 56.0% - 68.0% |
| Residual ethyl acetate: | 0.5% max |
| Residual acrylic acid: | 0.25% max |
| Residual benzene: | 2 ppm max |
| Pb + As + Hg + Sb: | 10 ppm max |
| Loss on drying: | 2.0% max |
| Sulphated ash (residual on ignition): | 2.0% max |
Applications
1. Cosmetics and Personal Care
Widely used as a thickener, stabilizer, and emulsifier in lotions, creams, gels, shampoos, and other personal care products.
Provides smooth texture and enhances product stability.
Improves the feel and spreadability of products.
2. Pharmaceuticals
Used as a controlled-release agent, suspending agent, and viscosity enhancer in topical gels, ointments, and oral suspensions.
Facilitates the formulation of hydrogels for drug delivery.
3. Household and Industrial Products
Added to detergents, paints, adhesives, and lubricants to control viscosity and stability.
4. Food Industry
Occasionally used as a thickening and stabilizing agent in certain food products (regulatory approvals vary by region).
Benefits
High Thickening Efficiency: Even small amounts yield high viscosity.
pH Responsive: Allows formulation adjustments to achieve desired gel consistency.
Clear Gels: Produces transparent gels suitable for aesthetic products.
Good Stability: Maintains viscosity over a wide temperature range.
Biocompatible and Non-Irritating: Suitable for topical applications.
Easy to Use: Swells rapidly in water for quick formulation.
Conclusion
Carbomer 940 (CAS 76050-42-5) is a versatile, highly efficient thickener and stabilizer extensively used in cosmetics, pharmaceuticals, household products, and some food applications. Its ability to form clear, stable gels and respond to pH changes makes it invaluable for formulating smooth, effective products.
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