Sodium Carboxymethyl Cellulose (CMC) is a Food Grade cellulose ether supplied as white to off-white powder, with 99.5% minimum purity and 1,500–4,000 mPa·s viscosity. It serves food manufacturers requiring controlled thickening and water management.

Technical Specifications

Parameter	Specification
Product Name	Sodium Carboxymethyl Cellulose (CMC)
CAS No.	9004-32-4
EINECS No.	618-378-6
Appearance	White to off-white powder
Viscosity, 1% Solution	1,500–4,000 mPa·s
Degree of Substitution (DS)	0.7–0.9
Purity	≥99.5%
pH, 1% Solution	6.5–8.5
Moisture	≤8.0%
Particle Size	≥95% through 80 mesh
Heavy Metals	≤10 ppm
Lead	≤3 ppm
Arsenic	≤3 ppm
Total Plate Count	≤500/g
Yeast & Moulds	≤200/g
E. Coli	Nil/g
Coliform Bacteria	Nil/g
Salmonella	Nil/25 g

Viscosity & Dosage Selection

Formulation Requirement	Selection Approach
Defined finished-product viscosity	Select the CMC grade according to the required viscosity of the finished formulation
Fixed dosage requirement	Keep the dosage level fixed and adjust the CMC grade to reach the target viscosity
Different viscosity targets	Compare available CMC grades through formulation trials before confirming the production grade
New formulation development	Evaluate CMC grade and dosage together based on the required consistency and processing conditions

Functional Performance

Thickening

CMC builds viscosity in aqueous food formulations and is used when a controlled increase in consistency is required.

Water Binding

CMC binds water within the formulation and supports moisture control in products where water distribution affects texture or storage characteristics.

Suspension

CMC helps maintain the distribution of dispersed ingredients in suitable liquid and semi-liquid formulations.

Frozen Food Stabilization

In ice cream, water ices and ripples, CMC contributes to texture retention, ice-crystal control, slower meltdown and resistance to dripping.

Food Application & Formulation Matching

Instant Products

CMC is suitable for powdered and instant formulations where rapid viscosity development is required after reconstitution, including powdered beverages.

Ice Cream & Frozen Desserts

CMC can be considered when the formulation requires control of ice-crystal formation, texture retention, meltdown and dripping during frozen storage and serving.

Sauces & Salad Dressings

CMC is applicable to tomato sauces and salad dressings where viscosity development, water binding, rapid dissolution and tolerance to low-pH conditions are relevant to the formulation.

Soft Drinks

CMC can be used in low-calorie soft drinks to provide body and mouthfeel and to help inhibit flavour-oil ring formation.

Bakery Products

CMC is used in cake mixes and batter mixes where ingredient suspension, distribution, moisture retention and product yield are formulation considerations.

Food Grade Quality Control

Etherification Control

Reaction conditions are controlled during carboxymethylation to maintain the required chemical characteristics and specified CMC grade range.

Purification Control

The product is purified after etherification to remove residual salts and reaction by-products and maintain the specified purity.

Drying Control

Drying conditions are controlled to achieve the required moisture level and maintain stable powder handling during storage and transport.

Milling & Sieving Control

Dried CMC is milled and sieved to establish the specified particle-size distribution and consistent powder characteristics before packing.

Product Documentation & Export Supply

Technical Documents

TDS and SDS are available for product evaluation, formulation review and import documentation.

Quality Documents

COA can be provided with the applicable batch information when required for incoming quality inspection.

Packaging & Shipping Marks

CMC is packed in food-grade packaging with product identification, batch number and net weight. Export shipping marks and destination-specific labeling can be arranged according to buyer requirements.

Additional Certificates

Food-grade or market-specific certificates can be provided when applicable to the product and destination market.

FAQ

Q: Can I request a sample before placing a bulk order?

Yes. Samples can be requested for formulation trials and internal evaluation before a commercial order is confirmed.

Q: What is the MOQ for Sodium Carboxymethyl Cellulose?

MOQ depends on the selected product grade, packaging requirements and order quantity. The applicable MOQ can be confirmed when requesting a quotation.

Q: What is the lead time for bulk CMC orders?

The typical lead time is 7–15 working days after order and packaging requirements are confirmed. The actual schedule may vary with order quantity and production arrangements.

Q: How should CMC be stored after delivery?

CMC should be kept in its original packaging in a clean, dry storage environment and protected from moisture. Storage requirements should be maintained throughout warehouse handling and after opening.

Q: Can repeat orders be supplied to the same specification?

Yes. Repeat purchases can be placed against the previously agreed product specification, packaging and quality requirements.

Q: What payment terms are available for bulk orders?

Payment terms can be discussed according to order quantity, destination and the commercial conditions of the transaction. The agreed terms should be confirmed before order placement.

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