What Is Croscarmellose Sodium?
Croscarmellose sodium is a versatile and widely used ingredient in the pharmaceutical and food industries. It belongs to the group of pharmaceutical excipients known as disintegrants. Disintegrants play a crucial role in facilitating the rapid disintegration and dissolution of capsules, tablets, and other solid forms of medicine within the gastrointestinal tract.
Croscarmellose sodium is derived from carboxymethylcellulose sodium, which is a cellulose derivative. Through a cross-linking process, the carboxymethylcellulose sodium molecules are chemically modified to form a cross-linked polymer, creating croscarmellose sodium.
When incorporated into pharmaceutical formulations, croscarmellose sodium ensures that the tablet or capsule rapidly breaks apart into smaller particles upon contact with water or gastric fluid. This disintegration process is vital for the efficient release and absorption of active pharmaceutical ingredients (APIs) in the body.
One of the critical properties of croscarmellose sodium is its ability to absorb water rapidly. Upon contact with moisture in the gastrointestinal tract, croscarmellose sodium quickly swells and forms a highly porous structure. This swelling and porosity contribute to the mechanical disruption of the dosage form, promoting the dispersion of APIs and facilitating their dissolution.
Croscarmellose sodium offers several advantages as a disintegrant. It is effective in a wide range of pH conditions and does not depend on the presence of enzymes or other specific biological factors for its disintegrating action. It can be used in immediate and controlled-release formulations, allowing for flexibility in drug delivery systems.
Moreover, regulatory authorities generally recognize croscarmellose sodium as safe (GRAS) and have a long history of safe use in pharmaceutical and food applications. It undergoes stringent quality control measures to ensure purity, stability, and consistency.
In the food industry, croscarmellose sodium can be utilized as a food additive commonly found in baked goods, dairy products, and beverages. It helps improve food products’ texture, stability, and sensory properties.
In summary, croscarmellose sodium is a highly functional and widely utilized disintegrant in the pharmaceutical and food industries. Its ability to rapidly disintegrate solid dosage forms enhances the bioavailability of active ingredients and contributes to the effective delivery of medications and the overall consumer experience.
Croscarmellose Sodium is a polymer with varying degrees of polymerization, resulting in a range of molecular weights. The most typical molecular weight of Croscarmellose Sodium is challenging to specify precisely because it is a polymer with varying degrees of polymerization. The molecular weight can vary based on factors such as the manufacturing process and the desired properties of the product. However, in general, the molecular weight range of Croscarmellose Sodium typically falls within the scope of several thousand to tens of thousands of Daltons.
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Common Bulk Pure Croscarmellose Sodium Specifications
Bulk pure Croscarmellose Sodium powder typically exhibits purities ranging from 98% to 99%. The specific purity can vary depending on the manufacturer and grade of the product.
| Type | Supplement ingredient |
| Appearance | White to off-white, free-flowing powder |
| Content | ≥ 98% |
| Purity | ≥ 99% |
| Particle Size | 90% particles passing through 200 mesh |
| Certifications | USP, EP, BP, FCC, and other relevant pharmacopeial standards |
| Other Ingredient | None |
| Solvent | Insoluble in water, ethanol, and most organic solvents |
| Water Content | ≤ 5.0% |
| Test Method | IR, HPLC, GC |
| MOQ (minimum order quantity) | 1 kg |
| Sample | Available (10-20g/bag) |
| OEM Service | Available, such as capsules, tablets, pills, etc. |
| ODM Service | Available |
| Private Label | Available |
| Contract Manufacturing | Available |
What Is Croscarmellose Sodium Made From?
Croscarmellose sodium is derived from cellulose, a naturally occurring plant polymer. More specifically, it is synthesized from carboxymethylcellulose sodium, a cellulose derivative. Carboxymethylcellulose sodium is produced by chemically modifying cellulose by introducing carboxymethyl groups.
The process of creating croscarmellose sodium involves cross-linking carboxymethylcellulose sodium molecules. Cross-linking forms chemical bonds between the polymer chains, creating a three-dimensional network structure. This cross-linking process enhances the functionality and performance of the resulting croscarmellose sodium.
The manufacturing process may vary between manufacturers, but it typically involves treating carboxymethylcellulose sodium with suitable cross-linking agents under controlled conditions. The cross-linking agents can include substances like sodium hydroxide or phosphorous oxychloride.
The resulting cross-linked polymer, croscarmellose sodium, exhibits unique properties such as rapid water absorption, swelling, and the ability to create a highly porous structure. These properties make it an effective disintegrant, facilitating the breakdown and dissolution of solid dosage forms in the gastrointestinal tract.
It’s important to note that croscarmellose sodium is a chemically modified substance derived from cellulose but not directly extracted from plant sources. It undergoes thorough purification and quality control processes to ensure its safety, purity, and consistent performance in various applications.
What forms can Croscarmellose Sodium customize?
Croscarmellose sodium can be customized into various forms to suit different applications. Some of the common conditions in which croscarmellose sodium is available include:
- Croscarmellose Sodium Powder: Croscarmellose sodium is commonly available in powder form. It can be easily mixed with other powders and ingredients to create formulations for tablets, capsules, and other solid dosage forms.
- Croscarmellose Sodium Granules: Croscarmellose sodium can be processed into granules, which are larger particles that offer improved flowability and handling characteristics. Granules can be used in tablet manufacturing or as a directly compressible excipient.
- Croscarmellose sodium DC grades (Directly compressible): These are specialized forms of croscarmellose sodium designed for direct compression tablet formulations. DC grades are highly compressible and can facilitate the production of tablets without the need for additional processing steps.
- Croscarmellose sodium Pre-blends: Croscarmellose sodium can be pre-blended with other excipients or active ingredients to create ready-to-use blends. Pre-blends simplify the formulation process and ensure uniform distribution of croscarmellose sodium in the final product.
- Croscarmellose sodium Co-processed excipients: Croscarmellose sodium can be combined with other excipients through a co-processing technique. Co-processed excipients offer enhanced flowability, improved compressibility, or tailored disintegration characteristics.
What Is Croscarmellose Sodium Powder Manufacturing Process?
The manufacturing process of croscarmellose sodium powder typically involves several key steps. While the exact process may vary between manufacturers, here is a general overview of the typical manufacturing process.
- Cellulose Sourcing: The process begins with sourcing cellulose, the starting material for croscarmellose sodium production. Cellulose can be derived from various plant sources, such as wood pulp or cotton.
- Carboxymethylation: The cellulose undergoes a chemical modification known as carboxymethylation. It involves treating the cellulose with a solution of sodium hydroxide (NaOH) and monochloroacetic acid (MCA) or sodium monochloroacetate (SMCA). This reaction introduces carboxymethyl groups onto the cellulose chains, resulting in the formation of carboxymethylcellulose sodium.
- Cross-Linking: The carboxymethylcellulose sodium is then subjected to a cross-linking process. Cross-linking agents such as sodium hydroxide (NaOH) or phosphorous oxychloride (POCl3) chemically bind the carboxymethylcellulose sodium chains, forming a cross-linked polymer network. This step enhances the disintegration properties of the final product.
- Drying: The cross-linked carboxymethylcellulose sodium is typically washed and filtered to remove impurities. It is then dried to reduce its moisture content. The drying process helps obtain a stable and free-flowing powder form of croscarmellose sodium.
- Milling and Sieving: The dried croscarmellose sodium is milled to achieve the desired particle size distribution. Milling helps to break down any lumps or agglomerates and ensures uniformity in particle size. The milled powder is then sieved to remove oversized particles and ensure consistency.
- Quality Control: Throughout the manufacturing process, various quality control tests and analyses are conducted to ensure the purity, potency, and compliance of the croscarmellose sodium powder with established standards. These tests may include particle size, moisture content, purity, and disintegration performance checks.
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What is Croscarmellose Sodium used for?
Croscarmellose sodium is a commonly used excipient in the pharmaceutical industry. It serves as a disintegrant, which means it helps promote the disintegration and dissolution of tablets, capsules, and other solid dosage forms in the gastrointestinal tract. Croscarmellose sodium enhances the release and absorption of active pharmaceutical ingredients (APIs) in the body by aiding in the rapid breakup of the dosage form upon contact with moisture.
The primary purpose of using croscarmellose sodium in pharmaceutical formulations is to improve the bioavailability and efficacy of medications. It ensures that the API is efficiently released from the dosage form, allowing optimal absorption and therapeutic effect. Without an effective disintegrant like croscarmellose sodium, tablets, and capsules may not break down properly, leading to delayed or incomplete drug release and reduced effectiveness.
Croscarmellose sodium offers several advantages as a disintegrant. It is effective across various pH conditions, allowing for consistent performance in different parts of the gastrointestinal tract. It does not rely on specific enzymatic or biological processes for its disintegrating action, making it suitable for various drug formulations. Croscarmellose sodium is compatible with multiple APIs and excipients, providing formulation flexibility.
Additionally, croscarmellose sodium can be used as a food additive, particularly in the food industry. Food products may include it to improve texture, stability, and sensory characteristics.
Overall, croscarmellose sodium plays a crucial role in pharmaceutical formulations by enhancing the disintegration and dissolution of solid dosage forms, ultimately improving drug bioavailability and therapeutic outcomes.
Who is the best powdered Croscarmellose Sodium Supplier?
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FAQs
Croscarmellose Sodium is an inorganic compound not derived from organic sources. It is a chemically modified cellulose derivative used as a disintegrant in pharmaceutical formulations, aiding in the rapid breakup of tablets and capsules in the gastrointestinal tract.
No, Croscarmellose Sodium is not the same as salt. Croscarmellose Sodium is a chemical compound used as a pharmaceutical excipient, while salt commonly refers to sodium chloride, a different compound used as a seasoning and preservative in food.
There is no specific information indicating patent problems associated with Croscarmellose Sodium. It is a widely used pharmaceutical excipient, and while there may be patents for particular manufacturing processes or formulations, it does not suggest any significant patent issues related to its use.
No, Croscarmellose Sodium is not banned. It is considered safe for pharmaceutical and food applications and is generally recognized as safe (GRAS) by regulatory authorities. Croscarmellose Sodium complies with established guidelines and standards, and there are no indications of it being banned for use.
