Methyl cellulose

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Methyl cellulose Specification

Solubility
Soluble in cold water

Source
Cellulose fiber

Ph Level
6.0 8.0

Chemical Composition
Methyl cellulose

Application
Adhesives, construction, food, pharmaceuticals

Ingredients
Methyl cellulose

Product Type
Other

Form
Powder

Starch Type

Color
White

Weight
25 Kilograms (kg)

Shelf Life
24 Months

Packaging
Bags

Protein
NIL

Fat Content (%)
NIL

Moisture
5%

Flavor
Odorless and tasteless

Grade Standard
Industrial Grade

Pack Size
25 kg

Pack Type
Bag

Physical State
Powder

Purity
99%

About Methyl cellulose

Methyl cellulose
CAS number [9004-67-5]

Methyl cellulose (or methylcellulose) is a chemical compound derived from cellulose. It is a hydrophilic white powder in pure form and dissolves in cold (but not in hot) water, forming a clear viscous solution or gel. It is sold under a variety of trade names and is used as a thickener and emulsifier in various food and cosmetic products, and also as a treatment of constipation. Like cellulose, it is not digestible, not toxic, and not allergenic. Methyl cellulose does not occur naturally and is synthetically produced by heating cellulose with caustic solution (e.g. a solution of sodium hydroxide) and treating it with methyl chloride. In the substitution reaction that follows, the hydroxyl residues (-OH functional groups) are replaced by methoxide (-OCH3 groups).

Different kinds of methyl cellulose can be prepared depending on the number of hydroxyl groups substituted. Cellulose is a polymer consisting of numerous linked glucose molecules, each of which exposes three hydroxyl groups. The Degree of Substitution (DS) of a given form of methyl cellulose is defined as the average number of substituted hydroxyl groups per glucose. The theoretical maximum is thus a DS of 3.0, however more typical values are 1.32.6.

Different methyl cellulose preparations can also differ in the average length of their polymer backbones.
Uses
Methyl cellulose has an extremely wide range of uses, of which several are described below.

Exceptional Versatility for Industrial Applications

Methyl cellulose is valued for its multifunctional attributes, making it crucial in adhesives, construction, food, and pharmaceuticals. Its high solubility in cold water and stable pH range ensures reliable performance across different processes, supporting batch consistency and enabling streamlined production in numerous sectors.

Safe and Consistent Quality Assurance

This industrial-grade methyl cellulose boasts a 99% purity rate and is free from fat and protein. Odorless and tasteless, it integrates seamlessly into formulations without altering core product profiles. The secure bag packaging extends shelf life to 24 months, assuring retained quality during storage and transport.

FAQs of Methyl cellulose :

Q: How is methyl cellulose typically used in construction and adhesives?

A: Methyl cellulose serves as a thickener, binder, and stabilizer in construction products like tile adhesives, cement blends, and mortars by improving workability and water retention. In adhesives, it enhances spreadability and ensures consistent texture and bonding.

Q: What is the recommended process for dissolving methyl cellulose powder?

A: To dissolve methyl cellulose powder, add it gradually to cold water while stirring continuously. This facilitates even dispersion and prevents clumping, resulting in a smooth and uniform solution suitable for your intended application.

Q: When should methyl cellulose be added during manufacturing processes?

A: It is best to introduce methyl cellulose during the mixing stage, particularly before increasing the solution temperature. This ensures optimal distribution and functional performance, as methyl cellulose dissolves most effectively in cold water.

Q: Where does the source material for this methyl cellulose originate?

A: The product is sourced from purified cellulose fiber and manufactured in China, ensuring high-quality standards for international export as an industrial-grade chemical.

Q: What are the main benefits of using methyl cellulose in food and pharmaceuticals?

A: Methyl cellulose acts as a thickening, stabilizing, and emulsifying agent. It maintains product consistency, improves mouthfeel, and provides reliable texture, all while being odorless, tasteless, and free from allergens such as protein or fat.

Q: How should methyl cellulose powder be stored to maximize shelf life?

A: Store the powder in its original, sealed bag at a dry, cool location away from direct sunlight and moisture. Proper storage conditions help preserve its purity and extend the shelf life to 24 months.

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