The difference between CMC and sodium CMC is that sodium CMC or sodium carboxymethyl cellulose is easily soluble in hot and cold water and is easy to store, while CMC or carboxymethyl cellulose is poorly soluble in water and difficult to maintain.

Normally, we can find carboxymethyl cellulose (CMC) in the form of sodium CMC, which is the sodium salt form of CMC.

Due to its poor solubility in water, this substance turns into sodium salt. Sodium carboxymethyl cellulose has a high solubility in water, which makes it easy to maintain.

What is Sodium CMC?

Sodium CMC is sodium carboxymethyl cellulose. It is a derivative of CMC and is an important product of cellulose ethers, usually formed from the modification of natural cellulose.

Typically, CMC compound has poor water solubility. So, we can keep it as sodium CMC. This compound is also soluble in cold water and can be spread.

The unusual chemical properties of sodium carboxymethyl cellulose are emulsifying dispersing and solid dispersing properties. It can also be described as a natural polymer derivative.

The important applications of sodium CMC include industries such as food industry, pharmaceutical industry, dentistry, medicine, etc. This macromolecular chemical can absorb water and swell.

When it swells in water, it can form a thick clear solution. In addition, it is neutral in pH.

Typically, sodium CMC appears as a white to slightly yellowish fibrous powder. It is odorless and tasteless. In addition, it is non-toxic and easily dissolves in hot or cold water due to the presence of sodium salt.

Sodium carboxymethyl cellulose is stable against light and heat, but the viscosity of this compound decreases with increasing temperature.

What is CMC?

CMC stands for carboxymethyl cellulose. It is also called cellulose gum. We can define it as a cellulose derivative with carboxymethyl groups attached to some hydroxyl groups of glucopyranose monomers in the cellulose backbone.

Often, this compound is useful in the form of the sodium salt. We call it sodium CMC. The brand name of this compound in the market is Tylose.

When preparing the CMC compound, we can synthesize it by alkali-catalyzed cellulose reaction in the presence of chloroacetic acid. Here, polar carboxyl groups indicate cellulose solubility and chemical reactivity. After this first step is completed, the resulting reaction mixture usually contains about 60% CMC and 40% sodium salts such as sodium chloride and sodium glycolate.

We can describe this product mix as industrial CMC which is useful in the production of detergents. After that, we need another purification step to remove the salt compounds and purify the CMC compound.

This pure carboxymethyl cellulose is useful and used in food industry, pharmaceutical industry and toothpaste production. In addition, there is also a semi-pure product that is important in paper applications, including the restoration of archival documents.

There are many uses of CMC, including in the food industry, where it has an E number of E466 or E469 (enzymatically hydrolyzed form), which is useful as a viscosity modifier and as a thickener.

In addition, it is also important in stabilizing the emulsion in products such as ice cream. Also, CMC is useful in the production of toothpaste, laxatives, diet pills, water-based paints, detergents, fabric sizing, paper products, etc.

What is the difference between CMC and sodium CMC?

What is the difference between sodium carboxymethyl cellulose and carboxymethyl cellulose

CMC stands for carboxymethyl cellulose. Sodium CMC is the sodium salt form of the CMC compound. The main difference between sodium CMC and CMC is that sodium carboxymethyl cellulose is easily soluble in hot and cold water. Therefore, it is easy to maintain, while CMC is well soluble in water. Therefore, it is difficult to maintain.

In addition, CMS is used in the food industry, pharmaceutical industry, dentistry, medicine, etc., while sodium CMC is used in the food industry, the production of toothpaste, laxatives, diet pills, the production of water-based paints, detergents. It is used in textile and paper production industries.

The following figure shows the difference between sodium CMC and CMC in a tabular and summary form:

Conclusion

CMC and sodium CMC are related compounds. The term CMC stands for carboxymethyl cellulose. The main difference between sodium CMC and CMC is that sodium CMC is easily soluble in hot and cold water and is easy to store, while CMC is poorly soluble in water and is difficult to store.

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This substance is added to food products as a viscosity modifier or thickener and emulsifier. It is also one of the most common viscous polymers used in artificial tears and has been shown to be effective in treating dry eye symptoms. Its viscous and sticky properties as well as its anionic charge make it have a long shelf life.

It is interesting to know that sodium carboxymethyl cellulose is the most commonly used salt. CMC is used in various industries as a thickener or to prepare stable emulsions in food, cosmetic and non-food products.

Applications

Sodium Carboxymethyl Cellulose (CMC) is used as a very effective additive to improve product properties and processing, in various fields from food, cosmetics, health and medicine to paper and textile industry products.

Additives for construction materials, printing inks, coatings, pharmaceuticals, food, cosmetics, paper or textiles, a long and growing list of uses for this valuable material. Cellulose derivatives are produced for a specific purpose and have invisible yet essential benefits for many everyday products.

Capabilities

Cellulosic products usually provide a variety of different functions in different fields. Their capabilities are:

• Water retention
• Gelation
• Emulsifier
• Suspension
• Attractive
• Stabilizer

A promising derivative of cellulose

Cellulose is the most abundant natural biopolymer chemically composed of glucose subunits. This substance is the main component of plants, algae and some microorganisms.

They have gained great importance due to their useful applications in science and technology, for example, high-performance composite materials, cellulose-based electrolytes, and biomedical properties.

Materials are generally insoluble in water, but chemical treatment creates new properties and improves intrinsic properties.

The most important derivatives of cellulose ethers include sodium carboxymethyl cellulose (CMC), ethyl cellulose (EC), hydroxyethyl cellulose (HEC), hydroxypropyl cellulose (HPC), methyl hydroxyethyl cellulose (MHEC) and hydroxypropyl methylpropyl cellulose (MHPC). .

Carboxymethylcellulose (CMC) is one of the most promising cellulose derivatives. Due to its specific surface characteristics, mechanical strength, tunable hydrophilicity, viscous properties, availability and abundance of raw materials, low-cost synthesis process, and so many different aspects, it is now widely used in various fields of advanced applications such as food industry/paper, textile and pharmaceutical industries, biomedical engineering, wastewater treatment, energy production and energy storage, production and storage, etc.

Among all derivatives, sodium carboxymethyl cellulose (CMC) is widely used as a natural chemical in various industries. Due to its stability and good solubility, this substance is used in food, beverage, pharmaceutical, health and personal care products, agriculture, animal and poultry feed, detergents, flotation in mining, papermaking, oil drilling and in textiles.

They are processed in highly swollen or solution form and are the main polymers in various industrial applications, especially in cosmetics.

The key role of sodium carboxymethyl cellulose in cosmetics

Sodium carboxymethyl cellulose is a key ingredient in cosmetic formulations due to its unique properties. It can act as a binder, thickener, gelatinizer, stabilizer, moisturizer, spreader, and also to improve the viscosity of cosmetic products.

On the other hand, sodium carboxymethyl cellulose is used in most cosmetic products such as shampoo, foaming agent, face wash, face masks, foundation, mascara, eyeliner, lip liner, toothpaste to increase quality.

With today’s increasing demand for natural and eco-friendly personal care products from consumers, the use of sodium carboxymethyl cellulose (CMC) or cellulose gum as a natural binding and stabilizing agent has increased dramatically. .

According to a recent report by Grand View Research, the global CMC market is expected to reach $1.86 billion by 2025. In addition, the agency reported that in terms of revenue, the cosmetic and functional sector accounted for 14.7% of the total market.

Adhesive, thickening and stabilizing properties are the key features of CMC, which makes its use in creams, lotions and shampoos necessary. It is also widely used in toothpaste due to its smooth texture, excellent salt tolerance and acid resistance.

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