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Methyl Hydroxyethyl Cellulose (MHEC)

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Methyl Hydroxyethyl Cellulose (MHEC) Specification

HS Code
39123900

Other Names
MHEC

Melting Point
225C (decomposes)

Molecular Formula
C2H6O2C6H10O5C3H8O2

Ph Level
6-8 (1% solution in water)

Solubility
Soluble in water

Smell
Odorless

Structural Formula
(C6H7O2(OR1)(OR2)O3)n, where R1 and R2 are methyl and hydroxyethyl groups

Purity
98% (typical)

Storage
Store in a cool, dry place, away from moisture

Form
White to off-white powder

Density
0.55 Gram per cubic centimeter(g/cm3)

Poisonous
Yes

Molecular Weight
Variable, ~86,000-150,000

Shape
Powder

Taste
Odorless and tasteless

Boiling point
Not applicable (decomposes)

Classification
Non-ionic cellulose ether

Chemical Name
Methyl Hydroxyethyl Cellulose

CAS No
9032-42-2

EINECS No
220-971-6

Grade
Industrial Grade

Standard
GB/T 22844-2009

Type
Chemical Additive

Usage
Industrial

Main Material
Cellulose derived from wood pulp or cotton

Application

Non Toxic
Yes

pH Stability
Stable in pH 4-11

Moisture Content
5%

Packing
25kg net kraft bags or customized

Ash Content
5%

Surface Activity
Non-surface active

Shelf Life
2 years

Viscosity (2% solution, 20C)
5,000-75,000 mPa.s (varies with grade)

Particle size
80 mesh or 100 mesh (customizable)

Methyl Hydroxyethyl Cellulose (MHEC) Trade Information

Delivery Time
7 Days

About Methyl Hydroxyethyl Cellulose (MHEC)

The acronym MHEC most commonly refers to Methyl Hydroxyethyl Cellulose, a non-ionic, water-soluble white powder polymer derived from natural plant cellulose. It is widely valued as an additive in industrial manufacturing, building materials, and personal care products due to its high water retention, thickening capabilities, and structural stabilization qualities.

Wide Industrial Applicability

MHEC serves as a crucial additive in various sectors-its versatility as a thickener, binder, and film former makes it essential in construction, paints, detergents, and cosmetics. Its non-toxic and non-surface-active properties ensure safe and diverse application.

Customizable Performance

Available in several grades-with viscosity ranging from 5,000 to 75,000 mPa.s and particle sizes of 80 or 100 mesh-MHEC's characteristics can be precisely tailored to suit specific requirements, ensuring optimal performance in each application.

Stable and Safe Storage

MHEC boasts a long shelf life of 2 years if kept in cool, dry conditions away from moisture. It is packed in 25kg kraft bags or custom packaging to maintain quality and prevent contamination, supporting extended storage and problem-free transport.

FAQ's of Methyl Hydroxyethyl Cellulose (MHEC):

Q: How is Methyl Hydroxyethyl Cellulose (MHEC) typically used in industrial applications?

A: MHEC acts as a thickener, binder, film former, and water retention agent in industries such as construction, paints, detergents, and cosmetics. Its excellent water solubility and stable viscosity make it suitable for improving texture, consistency, and workability in formulations.

Q: What are the primary benefits of using MHEC in construction materials?

A: MHEC enhances water retention, workability, and adhesion in construction materials such as mortars, plasters, and tile adhesives. It also helps control setting times, ensures even application, and improves durability without influencing the surface activity or causing toxicity.

Q: Where should MHEC be stored to maintain its quality and shelf life?

A: MHEC should be stored in a cool, dry place, away from moisture and direct sunlight. Properly packed in 25kg kraft bags or custom packaging, it maintains its stability and purity for up to 2 years.

Q: When is it necessary to select a specific viscosity or particle size grade of MHEC?

A: The choice of viscosity (5,000-75,000 mPa.s) and particle size (80 or 100 mesh) depends on your application's requirements. Higher viscosity enhances thickening or binding, while different mesh sizes affect dispersibility and mixing speed in final products.

Q: What is the process for dissolving MHEC in water for use in formulations?

A: MHEC readily dissolves in cold water. Gradually sprinkle the powder into water with stirring to prevent clumping. Maintain agitation until fully dispersed, ensuring a smooth, homogeneous solution suitable for subsequent formulation steps.

Q: Is MHEC safe for use in applications that require non-toxic and odorless additives?

A: Yes, MHEC is non-toxic, odorless, tasteless, and does not possess surface activity. It complies with safety standards and is ideal for applications that demand inert, safe, and reliable chemical additives.

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