1. General introduction of Croscarmellose Sodium
Croscarmellose sodium is a specialized superdisintegrant excipient that plays a critical role in enabling rapid tablet disintegration upon contact with biological fluids, thereby accelerating active ingredient release and enhancing absorption efficiency.
Its mechanism of action is based on three core functionalities:
- Rapid water uptake
- High swelling capacity
- Strong tablet structure disruption force
As a result, tablets can disintegrate within seconds to minutes, even in high-compression formulations or those containing poorly soluble active ingredients.
2. Chemical structure of Croscarmellose Sodium
Croscarmellose sodium is a cross-linked derivative of sodium carboxymethyl cellulose (CMC-Na), providing:
- An insoluble structure with rapid swelling in aqueous environments
- Strong disintegration force within tablet matrices
- High stability across a wide pH range
These properties enable the excipient to perform effectively even in complex formulations or those containing poorly soluble APIs.
3. Key advantages of Croscarmellose Sodium
- Superior disintegration performance: Through a combined mechanism of rapid water uptake, high swelling, and structural disruption, Croscarmellose sodium enables near-instant tablet disintegration upon contact with biological fluids, even in high-compression formulations
- Enhanced bioavailability for poorly soluble APIs: Rapid disintegration increases the surface area of the active ingredient exposed to the dissolution medium, thereby accelerating dissolution rate and improving absorption, particularly for low-solubility compounds
- High efficiency at low concentration: Effective at low usage levels (typically 0.5–5%), reducing total excipient load, optimizing tablet size, and lowering formulation costs
- Broad formulation compatibility: With high chemical inertness and stability across a wide pH range, it minimizes interaction risks with APIs and other excipients, making it suitable for diverse formulations
- Flexible processing options: Performs effectively in direct compression, wet granulation, and dry granulation, enabling manufacturers to optimize production processes and reduce development time
- Reliable scale-up performance: Excellent dispersion and minimal sensitivity to compression force ensure batch-to-batch consistency and reduce quality variation risks in large-scale manufacturing
- Compliance with international standards: Meets major pharmacopeial standards such as USP, EP, and JP, facilitating product registration in regulated markets including the EU, US, and Japan
4. Applications of Croscarmellose Sodium
In Pharmaceuticals:
- Immediate-release tablets
- Orally disintegrating tablets (ODTs)
- Capsules containing powders or granules
- Formulations with poorly soluble APIs requiring enhanced dissolution
Particularly suitable for products requiring rapid onset of action, optimized absorption and improved patient compliance
In Cosmetics:
- Tablet-based cosmetic products
- Formulations requiring rapid disintegration in aqueous environments
- Advanced active delivery systems in skincare
In Food & Nutraceuticals:
- Dietary supplement tablets
- Effervescent tablets and fast-dissolving formats
5. Commercial products using Croscarmellose Sodium
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6. Product contact information
For more information about Croscarmellose sodium supply, please contact us:
- Hotline: +84 (0) 834 560 500
- Email: director@biorichgroup.com
- Website: www.biorichgroup.com
- Sample / COA Request: Please contact us via email to receive the latest samples and Certificate of Analysis (COA).