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Carboxymethyl Cellulose

Carboxymethyl Cellulose (CMC) is a versatile thickener and stabilizer used widely in food, pharmaceuticals, and industrial applications.

Procurement professionals specify Carboxymethyl Cellulose (CMC) primarily for its reliable thickening, stabilizing, and emulsifying properties across several manufacturing sectors.

Packaging

25kg bags, 50kg bags

Supply Region

Kenya, East Africa

Supplier

Zenco Systems Ltd

What is Carboxymethyl Cellulose?

Procurement professionals specify Carboxymethyl Cellulose (CMC) primarily for its reliable thickening, stabilizing, and emulsifying properties across several manufacturing sectors. Buyers in East Africa, including Kenya, Uganda, and Tanzania, seek a consistent grade that can integrate smoothly into diverse production lines. CMC is a water-soluble polymer derived chemically from cellulose, noted for enhancing viscosity and texture in formulations.

This product serves vital roles in textile treatment, food processing, pharmaceuticals, cosmetics, detergents, and paper manufacturing. Its commercial importance stems from its multifunctional performance, availability in suitable packaging for industrial use, and compatibility with aqueous systems. Ensuring supply through Zenco Systems Ltd guarantees both technical expertise and logistical reach across the region, supporting streamlined procurement and operational efficiency.

With increasing demand in these sectors, understanding CMC’s properties and correct specification is essential for manufacturers aiming to optimize process control and product quality without excessive costs.

Carboxymethyl Cellulose: Detailed Product Overview

Carboxymethyl Cellulose is chemically recognized as sodium carboxymethyl cellulose with the molecular formula C6H7NaO9 and CAS number 9004-32-4. It is a modified cellulose ether where carboxymethyl groups (-CH2-COOH) replace some hydroxyl groups on the cellulose backbone, imparting water solubility and ionic charge. These structural changes are crucial because they enable CMC to bind water molecules, swelling significantly in aqueous solutions, which increases the solution's viscosity.

When dispersed in water, CMC forms a stable colloidal system that thickens liquids without changing other chemical properties of the formulation. Its polyelectrolyte nature allows it to interact with ions and other polymers, facilitating its role as a stabilizer and emulsifier by preventing particle aggregation and phase separation.

Performance characteristics depend on degree of substitution (DS), molecular weight, and purity. Higher DS typically enhances water solubility and viscosity. The product supplied by Zenco Systems Ltd comes as an odorless, tasteless fine powder, usually white to off-white in color, which dissolves readily in cold or warm water. This facilitates smooth integration into various formulations without the need for extensive heating or mechanical mixing.

In industrial settings, CMC’s role in textile treatment includes improving fabric texture and aiding dye uptake. In paper manufacturing, it enhances sheet strength and surface quality. Due to its non-toxic and biodegradable profile, CMC is also favored in food and pharmaceutical formulations as a thickener and excipient. Control over viscosity and hydration rates makes it an adaptable component for formulation chemists.

Choosing the right grade of Carboxymethyl Cellulose involves assessing factors like viscosity grade, purity, and ionic form — these impact end use performance. Zenco Systems Ltd advises contacting them directly to confirm grade specifications tailored for specific industrial needs.

Applications and Uses of Carboxymethyl Cellulose

Food Thickener and Stabilizer

In food processing, Carboxymethyl Cellulose is used to improve texture, viscosity, and stability in products such as sauces, ice creams, baked goods, and beverages. Typical dosages range from 0.1% to 2% depending on the formulation requirements. CMC prevents ingredient separation during storage, extends shelf life, and enhances mouthfeel without altering flavor, making it a preferred additive in processed foods.

Pharmaceutical Excipent

CMC acts as a binder, suspending agent, and controlled release modifier in pharmaceutical tablets, syrups, and topical formulations. It ensures uniform dispersion of active ingredients and improves product consistency. Its inert, non-toxic nature allows it to function without interfering with drug efficacy. Usage levels are carefully controlled following pharmacopeial standards.

Cosmetics Formulations

In cosmetics and personal care, Carboxymethyl Cellulose thickens gels, creams, and lotions, providing smooth texture and enhanced stability. It stabilizes emulsions and suspends particles, preventing separation in products like shampoos and skin creams. CMC is also valued for its film-forming abilities, improving product feel and application.

Detergent Thickener

CMC is incorporated in detergent formulations to increase viscosity and stabilize suspensions of builders and surfactants. It improves cleaning efficiency by promoting even distribution of active components and prevents sedimentation in powders and liquids. This results in better product performance and easier handling during use.

Paper and Textile Industry

Carboxymethyl Cellulose enhances sheet strength, surface smoothness, and printability in the paper industry. It also acts as a sizing agent, reducing water penetration and improving ink absorption. In textiles, it serves as a protective colloid during dyeing and finishing, ensuring even color uptake and reducing fabric defects.

Water Treatment

As a flocculant and stabilizer, Carboxymethyl Cellulose improves water purification processes by aiding sediment settling and contaminant removal. Its polymeric nature facilitates the binding of suspended solids, clarifying water in industrial and municipal treatment plants. Dosage varies based on water quality and treatment goals.

Looking for alternatives for a specific process? Browse the full Textile Treatment range or ask our technical team which grade fits your application.

Benefits and Advantages

Versatility Across Industries

Carboxymethyl Cellulose’s chemical structure enables it to function effectively in vastly different sectors such as food, pharmaceuticals, textiles, and water treatment. This versatility reduces the need for multiple specialty additives, simplifying procurement and reducing inventory costs for manufacturers.

Improved Product Stability

By providing excellent thickening and stabilizing properties, CMC enhances product shelf life and consistency. This stability helps manufacturers maintain quality standards, reduce waste from phase separation or sedimentation, and improve consumer satisfaction with finished goods.

Cost Efficiency in Formulation

The effective viscosifying power of CMC allows formulators to use smaller quantities compared to other thickeners, which lowers raw material costs. Additionally, its water solubility and ease of handling cut processing times and energy consumption during production.

Compatibility with Aqueous Systems

CMC dissolves readily in cold or warm water without the need for aggressive mixing or heating. This property ensures smooth production workflows and prevents issues like clumping or uneven dispersion, critical for maintaining product quality in continuous manufacturing environments.

Packaging Information

Carboxymethyl Cellulose is supplied in robust 25kg and 50kg bags suitable for industrial users. These formats are designed for ease of handling with mechanized tools or manual labor in typical East African manufacturing facilities. Zenco Systems Ltd supports bulk orders and cross-border distribution within Kenya, Uganda, Tanzania, and neighboring countries, ensuring prompt availability. For large-volume industrial requirements, customers should inquire about consolidated shipments or tailor-made packaging solutions.

Standard formats: 25kg bags, 50kg bags

Storage and Handling

Store Carboxymethyl Cellulose in a cool, dry environment away from moisture to prevent caking and degradation. Packaging materials should remain sealed until use and protected from exposure to humidity. Avoid storing near strong acids or oxidizers as these can affect product stability. Handling requires standard dust control measures and personal protective equipment such as masks and gloves to avoid inhalation or skin contact with the fine powder. Shelf life under proper storage typically exceeds one year.

Safety Information

Carboxymethyl Cellulose is generally considered low hazard but the powder form may cause respiratory irritation if inhaled. Use appropriate protective gear including dust masks, gloves, and eye protection when handling in bulk. In case of eye or skin contact, rinse with plenty of water. For inhalation exposure, move to fresh air. Waste disposal should comply with local environmental regulations. Refer to the supplied Safety Data Sheet (SDS) from Zenco Systems Ltd for comprehensive safety guidelines.

Technical Specifications

GradeConfirm with supplier
PurityConfirm with supplier
FormulaC6H7NaO9
Packaging25kg bags, 50kg bags
AppearanceWhite to off-white fine powder
CAS Number9004-32-4
Chemical NameSodium Carboxymethyl Cellulose
Storage ConditionsCool, dry place away from moisture

Applications

  • Food thickener and stabilizer
  • Pharmaceutical excipient
  • Cosmetics formulations
  • Detergent thickener
  • Paper and textile industry
  • Water treatment

Technical Data Sheet (TDS)

GradeConfirm with supplier
PurityConfirm with supplier
FormulaC6H7NaO9
Packaging25kg bags, 50kg bags
AppearanceWhite to off-white fine powder
CAS Number9004-32-4
Chemical NameSodium Carboxymethyl Cellulose
Storage ConditionsCool, dry place away from moisture

Product Features

  • - Water-soluble cellulose derivative
  • - White to off-white fine powder
  • - Odorless and tasteless
  • - High viscosity in aqueous solutions
  • - Stabilizes emulsions and suspensions
  • - Biodegradable and non-toxic

Industries Served

  • - Food processing
  • - Pharmaceuticals
  • - Cosmetics and personal care
  • - Detergents
  • - Paper manufacturing
  • - Textile treatment
  • - Water treatment

Product Overview

Frequently Asked Questions About Carboxymethyl Cellulose

What is Carboxymethyl Cellulose used for in food processing?

It thickens liquids, stabilizes emulsions, and improves texture in products like sauces, ice cream, and baked goods, preventing ingredient separation and extending shelf life.

How do I determine the right grade of CMC for my application?

Grade selection depends on viscosity requirements, purity, and degree of substitution. Contact Zenco Systems Ltd with your application details for tailored grade recommendations.

Is this product food-grade?

CMC can be supplied in food-grade quality. Confirm with Zenco Systems Ltd to ensure compliance with local regulatory standards before use in food products.

What are typical dosing levels for CMC in industrial use?

Dosage ranges widely from 0.1% to 5%, depending on the application. For example, food stabilizers often use 0.1-2%, while paper industry may use different levels based on process specifications.

Can Zenco Systems Ltd supply Carboxymethyl Cellulose outside Kenya?

Yes, Zenco Systems Ltd supplies CMC across East Africa including Uganda, Tanzania, Rwanda, and neighboring countries with reliable cross-border logistics support.

How should Carboxymethyl Cellulose be stored to maintain quality?

Store in a dry, cool environment away from moisture and direct sunlight. Keep packaging sealed until use to prevent caking and degradation.

Is special handling required when working with CMC powder?

Yes, to avoid inhalation of dust, use dust masks and gloves. Ensure good ventilation in the handling area and follow safety instructions from the SDS.

What packaging sizes are available for Carboxymethyl Cellulose?

Standard industrial packaging includes 25kg and 50kg bags. Bulk options and customized packaging may be available on request.

Does CMC affect the pH of formulations?

CMC solutions are generally neutral to slightly alkaline, but it has minimal effect on final product pH, making it compatible with many formulations.

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