CAS · 9063-38-1
Product Overview
Sodium carboxyl methylstarch is a high-purity pharmaceutical-excipients supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.
Product Specifications
| Grade | EP10.0 potato base |
|---|---|
| Physical Characters | White or almost white fine free flowing powder, very hygroscopic |
| Assay | 2.8~4.2% |
| Solubility | Practically insoluble in methylene chloride; gives a translucent suspension in water |
| Identification (A) | pH: 5.5-7.5 |
| Identification (B) | A suspension forms that settles after standing |
| Identification (C) | The solution becomes blue or violet |
| Identification (D) | Dense white precipitate formed |
| Appearance of solution S1 | Solution S1 is clear and colourless |
| Sodium chloride | 7.0% max |
| Sodium Glycolate | 2.0% max |
| Iron | 20 ppm max |
| Heavy metals | 20 ppm max |
| Loss on drying | 10.0% max |
| Microbial limits | Absence of Salmonella species and Escherichia coli |
Applications
Sodium carboxyl methylstarch is widely used as a functional excipient and additive in pharmaceutical, food, and industrial applications. In pharmaceutical formulations, it serves as a disintegrant, binder, and stabilizer in tablets, capsules, and powdered products, supporting controlled release and consistent dosage performance. In food and beverage applications, it is applied as a thickening, stabilizing, and emulsifying agent to improve texture, viscosity, and product consistency. The compound is also employed in industrial processes such as adhesives, coatings, and personal care formulations, where its water-soluble polymeric structure enhances flow, stability, and film-forming properties. In research and development, it is used to evaluate starch derivatives, polymer functionality, and the performance of excipient-based delivery systems.
Benefits
Sodium carboxyl methylstarch provides several advantages due to its modified starch structure and water solubility. It offers excellent dispersibility in aqueous systems, ensuring uniform distribution in formulations. Its chemical stability supports consistent performance under different processing conditions, including heat and shear stress. The compound improves mechanical strength, binding capacity, and controlled disintegration in solid dosage forms, contributing to reliable product quality. Additionally, its biocompatibility and non-toxic nature make it suitable for applications in pharmaceuticals, food, and personal care. Its versatility allows formulators to optimize texture, stability, and processing behavior, reducing formulation challenges and enhancing product performance.
Conclusion
Sodium carboxyl methylstarch is a versatile polymeric excipient with broad applications in pharmaceuticals, food, and industrial formulations. Its combination of water solubility, stability, and functional performance makes it a valuable additive for improving texture, binding, and controlled release. The compound continues to support efficient formulation design and reliable product development across multiple industries.
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