Pharmaceutical Grade CMC, also known as pharmaceutical-grade sodium carboxymethyl cellulose, is widely used as an excipient. It helps improve texture, dispersion, viscosity, and stability in suitable formulation systems. Depending on the selected grade and formulation design, it may work as a binder, thickener, stabilizer, suspending agent, film former, or humectant-supporting ingredient.
Hunan Sentai focuses on the research, development, production, and application of sodium carboxymethyl cellulose, polyanionic cellulose, and sodium carboxymethyl starch. Buyers can contact our team to request a specification sheet, discuss viscosity grade selection, or evaluate a suitable sodium CMC grade for pharmaceutical industry applications.
Pharmaceutical Grade Sodium Carboxymethyl Cellulose is a water-soluble cellulose derivative. It is used for viscosity control, stabilization, binding, and suspension support in aqueous and semi-solid systems. Formulators value it because viscosity and substitution levels can be selected to match processing conditions and final product performance needs.
Sodium Carboxymethyl Cellulose is also known as Na-CMC, Carboxymethylcellulose Sodium, sodium carboxymethylcellulose, and cellulose gum. For pharmaceutical applications, buyers should confirm the current specification, COA, TDS, SDS, and required compliance documents. These documents should match the selected grade and intended market.
| Item | Information |
|---|---|
| Product name | Sodium Carboxymethyl Cellulose |
| Common abbreviation | CMC / Na-CMC |
| CAS No. | 9004-32-4 |
| Other names | Carboxymethylcellulose Sodium, Sodium carboxymethylcellulose, Cellulose gum |
| Appearance | White to off-white powder or granule, depending on grade |
| Main function | Binder, thickener, stabilizer, suspending agent, film former |
Pharmaceutical Grade CMC is a versatile excipient for viscosity control, suspension stability, and uniform dispersion. Its water solubility, adjustable viscosity, and compatibility with many aqueous systems make it useful for oral liquids, solid dosage processing, and semi-solid pharmaceutical formulations.
For buyers, the key advantage of sodium CMC for pharmaceuticals is flexibility. By selecting the proper viscosity, purity level, particle characteristics, and application-oriented grade, formulators can support smoother texture, stable suspensions, improved tablet processing, and consistent performance.
High viscosity CMC grades are suitable when strong thickening, suspension support, or gel-like texture is required. Viscosity performance can be adjusted by grade selection, solution concentration, hydration conditions, and processing method. This makes it important to match the grade to the actual formulation system.
As a tablet binder, CMC can help support granulation consistency and ingredient cohesion. In liquid systems, it can function as a suspension thickener, syrup stabilizer, and pharmaceutical suspending agent. These functions help maintain uniformity and improve handling properties.
Hunan Sentai can support customized CMC grades based on viscosity, application requirements, and customer quality needs. Buyers are encouraged to share the dosage form, target viscosity, use concentration, intended function, and required documents. With this information, our team can recommend a practical grade for evaluation.
Pharmaceutical Grade CMC can be used across oral, topical, and semi-solid formulation systems. Suitability depends on the selected grade and applicable regulatory requirements. The material is selected for excipient functionality rather than therapeutic effect, and grade confirmation should be completed before commercial use.
The following application overview helps buyers compare common uses of CMC for pharmaceutical industry requirements. It also shows which performance factors should be discussed during grade selection.
| Application | Typical Function | Buyer Selection Focus |
|---|---|---|
| Tablets | Binder, processing aid, film-forming support | Binding strength, granulation behavior, viscosity grade |
| Syrups and oral liquids | Syrup stabilizer, viscosity modifier | Mouthfeel, clarity or dispersion needs, hydration speed |
| Suspensions | Pharmaceutical suspending agent, suspension thickener | Particle suspension, pourability, viscosity stability |
| Ointments and creams | Thickener, stabilizer, film former, humectant-supporting ingredient | Texture, spreadability, compatibility with base system |
| Film-forming systems | Film former, stabilizing polymer | Film integrity, viscosity, application requirements |
CMC for tablets may be used as a binder, disintegrant-supporting polymer, or film-forming aid, depending on formulation design. The right sodium CMC grade can help support granulation consistency, powder processing, and tablet manufacturing performance.
In syrups and oral liquids, CMC can act as a syrup stabilizer and viscosity modifier. It helps improve mouthfeel, uniformity, and stability in aqueous systems when the correct viscosity grade and hydration process are used.
Sodium CMC for pharmaceuticals is commonly selected as a suspending agent when insoluble particles need to remain dispersed. Viscosity grade selection affects suspension stability, redispersibility, and pourability. Buyers should evaluate both laboratory performance and processing behavior.
In ointments, creams, and topical systems, CMC can support thickening, stabilization, film formation, and humectant-related performance. It is often considered where smooth texture, controlled viscosity, and dermatological formulation support are required.
CMC may be considered for wound care materials or film-forming systems when the selected grade and documentation meet buyer requirements. These applications can have strict standards, so our team recommends technical discussion and sample evaluation before grade confirmation.
Pharmaceutical Grade CMC specifications depend on the selected grade, application function, and customer requirements. Instead of using one fixed specification for every formulation, Hunan Sentai supports communication around key parameters. These may include viscosity, degree of substitution, purity, pH, moisture, impurity profile, and microbial requirements where applicable.
Buyers may request available TDS, SDS, COA, specification sheets, and quality-related information for review. Specific pharmacopoeia standards or market compliance documents should be confirmed according to the chosen grade before procurement.
| Parameter | Purpose for Buyers | Available Support |
|---|---|---|
| Viscosity | Determines thickening, suspension stability, and processing behavior | Low, medium, and high viscosity options can be discussed |
| Degree of substitution | Influences solubility, viscosity, and formulation performance | Grade-dependent specification available on request |
| Purity | Important for pharmaceutical excipient suitability | Controlled according to selected grade requirements |
| pH | Affects compatibility with formulation systems | Batch specification available |
| Moisture / loss on drying | Important for storage stability and processing | Tested as part of quality control |
| Heavy metals and impurities | Supports compliance and safety evaluation | Test data can be provided where applicable |
| Microbial limits | Relevant for pharmaceutical and healthcare applications | Available according to applicable grade requirements |
Selecting the right sodium CMC grade for pharmaceuticals depends on several practical factors. These include dosage form, desired viscosity, use concentration, processing method, particle size requirements, hydration speed, and compliance expectations. A grade that performs well as a tablet binder may not be ideal for a pourable suspension or a smooth topical cream.
To help our technical team recommend an appropriate viscosity grade, buyers can provide formulation details and reference performance targets. This supports faster sample matching and more accurate specification alignment.
Dosage form: tablet, syrup, suspension, ointment, cream, or film-forming system
Main function: binder, thickener, stabilizer, suspending agent, film former, or humectant
Target viscosity or reference sample
Required purity and impurity limits
Hydration speed and processing conditions
Required documents: TDS, SDS, COA, specification sheet, or compliance statement
Hunan Sentai Biotechnology focuses on CMC, PAC, and CMS research, development, production, and application. This allows us to support customers beyond simple material supply. For Pharmaceutical Grade CMC, our team can discuss customized viscosity, application-oriented performance, and quality requirements based on buyer specifications.
We support technical communication, sample evaluation, batch supply discussion, and specification alignment. Buyers should confirm available compliance documents for their market and final application before placing commercial orders.
Custom CMC supplier support may include recommendations around viscosity, solubility, purity level, and formulation function. Sample testing is recommended before bulk sodium CMC procurement. This helps buyers confirm hydration behavior, viscosity performance, and compatibility in the actual formulation.
Depending on the selected grade, buyers may request technical documents such as TDS, SDS, COA, and specification sheets. Hunan Sentai can communicate batch quality information and test data where applicable. This supports procurement review and formulation validation.
Hunan Sentai Biotechnology Co., Ltd. is a biotechnology and chemical materials manufacturer. The company was founded in 2003 through the restructuring of the state-owned Xiangtan Chemical Auxiliary Factory. This background gives us an established industrial foundation and decades of specialized experience in CMC, PAC, and CMS research, development, production, and application.
As a sodium carboxymethyl cellulose manufacturer, Hunan Sentai combines inherited technical expertise with modern production management. The company operates a 15,000-square-meter production complex and employs more than 100 skilled professionals. Annual production capacity includes 10,000 tons of CMC and 5,000 tons of CMS.
Focused CMC manufacturer and sodium CMC supplier since 2003
Restructured from the state-owned Xiangtan Chemical Auxiliary Factory
Technical heritage from Ashland China’s Hercules CMC production system
15,000-square-meter production complex
Over 100 skilled professionals
10,000 tons annual CMC production capacity
ISO 9001:2015 quality management system certification
ISO 14001:2015 environmental management system certification
IATF 16949:2016 certified management system
These capabilities help procurement teams evaluate Hunan Sentai as a reliable supplier for specification discussion, custom grade development, and stable batch supply.
Packaging for Pharmaceutical Grade CMC can be discussed according to order requirements, product grade, labeling needs, and shipping conditions. Exact package size, labeling format, palletization, and logistics details should be confirmed with Hunan Sentai before order confirmation.
Proper storage is important for maintaining CMC quality during transportation and warehousing. The product should generally be kept sealed in a cool, dry, ventilated place. It should also be protected from moisture, direct sunlight, and contamination.
Bulk sodium CMC packaging requirements may vary by customer, shipment size, and destination market. Buyers can discuss packaging format, label information, batch identification, and export packing requirements with our sales team during quotation.
Pharmaceutical Grade CMC storage should prevent moisture absorption and contamination. Keep containers sealed after opening, avoid high humidity and direct sunlight, and follow the storage guidance in the product specification or SDS.
If you are evaluating excipients for tablets, syrups, suspensions, ointments, or other applications, contact Hunan Sentai Biotechnology. We can support grade selection, quotation, samples, and technical documents. As a specialized Pharmaceutical Grade CMC manufacturer, we can discuss your target viscosity, intended function, quality requirements, and supply needs.
To receive a faster sodium CMC quotation or sample recommendation, please provide your dosage form, target viscosity or reference grade, required documents, estimated purchase quantity, and destination market.
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Suggested inquiry details include name, company, email, country or region, application, target viscosity, required documents, estimated purchase quantity, and message.
Pharmaceutical Grade CMC is commonly used as an excipient in tablets, syrups, suspensions, ointments, creams, and other formulations. It can function as a binder, thickener, stabilizer, suspending agent, and film former.
The CAS number of Sodium Carboxymethyl Cellulose is 9004-32-4. It is also called Carboxymethylcellulose Sodium or Na-CMC.
Yes. Hunan Sentai can support customized CMC grades based on viscosity, application requirements, and formulation needs. Buyers can share target viscosity, dosage form, and quality requirements, and our team will recommend a suitable grade for evaluation.
Buyers may request available documents such as TDS, SDS, COA, specification sheets, and quality-related information. Specific pharmacopoeia or compliance documents should be confirmed according to the selected grade.
CMC should be stored sealed in a cool, dry, and ventilated area. Keep it away from moisture, direct sunlight, and contamination. Always follow the storage guidance provided in the product specification or SDS.
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