Introduction to Chemical Raw Material Hydroxypropyl Methyl Cellulose HPMC CAS 9004 65 3

Hydroxypropyl Methylcellulose (HPMC), whose Chinese name is hydroxypropyl methylcellulose, is a semi-synthetic, non-ionic cellulose ether obtained by chemically modifying natural cellulose. This white powder can form a transparent viscous solution after dissolving in water. It has excellent thickening, water retention, stability and film-forming properties. It is an indispensable multifunctional additive in many fields such as construction.

Characteristics and advantages of Chemical Raw Material Hydroxypropyl Methyl Cellulose HPMC CAS 9004 65 3

Excellent water solubility: It can be quickly dissolved in cold water to form a clear and stable solution.

Efficient thickening and water retention ability: Increase the viscosity of the material, effectively reduce water evaporation, and improve work efficiency.

Good stability: It has good stability to acids, alkalis, and salts, and is suitable for a wide range of pH values.

Film-forming and protective effects: After drying, it forms a tough and transparent film to protect the substrate and prevent water penetration and evaporation.

Non-toxic and non-irritating: It has good biocompatibility and is suitable for the fields of medicine and food.

Adjustability: By changing the degree of substitution and molecular weight, its performance can be adjusted to meet different application requirements.

Specifications of Chemical Raw Material Hydroxypropyl Methyl Cellulose HPMC CAS 9004 65 3

Hydroxypropyl Methyl Cellulose (HPMC)– Item Specifications

Basic Info

Chemical Call: Hydroxypropyl Methyl Cellulose
CAS Number: 9004-65-3
Molecular Formula: C₈H₁₄O₄ (repeating device, varies by replacement).
Appearance: White to beige free-flowing powder.
Odor: Odorless.

Trick Physical and Chemical Features

HPMC dissolves quickly in cold water to form a clear, thick remedy. It does not dissolve in hot water above its gelation temperature (usually 50– 90 ° C, depending upon quality). The product is non-ionic and secure over a broad pH variety (3– 11). It shows excellent film-forming capacity, water retention, and thickening efficiency.

Viscosity varies by item grade. Usual thickness arrays include 5 mPa · s to 100,000 mPa · s (gauged as a 2% solution at 20 ° C). Substitution degrees are managed to satisfy details application needs:.
– Methoxy content: 19%– 30%.
– Hydroxypropoxy web content: 4%– 32%.

Purity and Quality Requirements

HPMC fulfills significant pharmacopeial standards, including USP-NF, EP, and JP, when made use of in pharmaceutical applications. For industrial or building usages, it abides by relevant technical specifications. Heavy steels are limited to ≤ 20 ppm. Recurring solvents like methanol and isopropanol remain listed below safety and security limits. Microbial restrictions adhere to industry norms (e.g., complete aerobic matter ≤ 100 CFU/g).

Typical Applications

This raw material is widely made use of in:.
– Pharmaceuticals: As a binder, layer representative, or controlled-release matrix in tablet computers.
– Building: In cement-based products for enhanced workability and water retention.
– Food: As a thickener or stabilizer (where allowed).
– Individual treatment: In hair shampoos, lotions, and tooth paste for texture control.

Storage needs to remain in an amazing, dry location in secured containers to prevent moisture uptake. Service life is usually 24 months under appropriate problems.

Applications of Chemical Raw Material Hydroxypropyl Methyl Cellulose HPMC CAS 9004 65 3

Applications of Hydroxypropyl Methyl Cellulose (HPMC)– CAS 9004-65-3

Construction and Building Products

HPMC is commonly made use of in cement-based products like tile adhesives, self-leveling compounds, and plasters. It enhances workability by retaining water throughout the healing procedure. This aids prevent cracks and makes certain strong bonding. Building contractors rely on HPMC for constant performance in dry-mix mortars.

Pharmaceuticals

In medicine, HPMC work as a binder, film-coating representative, or controlled-release matrix in tablet computers. It liquifies gradually in the digestive system system, permitting drugs to launch continuously over time. The compound is safe and approved for use in oral medicines worldwide.

Food Industry

HPMC serves as a thickener, emulsifier, and stabilizer in lots of refined foods. It assists keep appearance and protects against component splitting up in items like sauces, gelato, and gluten-free baked products. Regulative agencies acknowledge it as risk-free for consumption under particular use degrees.

Paints and Coatings

Repaint producers include HPMC to water-based formulations to regulate thickness and enhance application. It stops pigments from working out and offers a smooth surface. The additive additionally boosts open time, allowing painters function much longer prior to the covering dries out.

Cosmetics and Personal Treatment

In lotions, shampoos, and toothpaste, HPMC supplies structure and stability. It produces a pleasant feeling on the skin or hair without triggering irritability. Its ability to form clear gels makes it suitable for clear cosmetic items.

Agriculture

HPMC is utilized in chemical and fertilizer formulas to improve attachment to plant surface areas. It reduces active component launch, boosting performance and decreasing runoff. Farmers take advantage of much better protection and longer-lasting results.

Company Profile

We are the global leader in lightweight concrete and advanced engineered foam solutions. Known globally for its commitment to research, innovation, and applied expertise, we have been providing engineered foam solutions since the early 2012’s.

We can supply high-quality concrete admixture and foam concrete related products all over the world.

The company has a professional technical department and quality supervision department, a well-equipped laboratory, and equipped with advanced testing equipment and after-sales customer service center.

If you are interested, please feel free and contact us.

Payment

T/T, Western Union, Paypal, Credit Card etc.

Shipment

By air, by sea, by express, as customers request.

5 FAQs of Chemical Raw Material Hydroxypropyl Methyl Cellulose HPMC CAS 9004 65 3

Frequently Asked Questions About Hydroxypropyl Methyl Cellulose (HPMC)

What is HPMC?

HPMC stands for Hydroxypropyl Methyl Cellulose. It is a white or off-white powder made from natural cellulose. This chemical raw material is widely used in construction, pharmaceuticals, food, and cosmetics. It dissolves in cold water and forms a clear, viscous solution.

What is the CAS number for HPMC?

The CAS number for Hydroxypropyl Methyl Cellulose is 9004-65-3. This unique identifier helps confirm you are using the correct substance in your application or formulation.

What are the main uses of HPMC?

In construction, HPMC works as a thickener and water-retention agent in tile adhesives, plasters, and self-leveling compounds. In pharma, it acts as a binder or coating in tablets. Food makers use it as a stabilizer or emulsifier. Cosmetic products use it to improve texture and consistency.

Is HPMC safe to use?

Yes. HPMC is non-toxic and approved for use in many industries. Regulatory bodies like the FDA and EFSA have reviewed its safety. Always follow handling instructions and use proper protective gear when working with fine powders.

How should HPMC be stored?

Store HPMC in a cool, dry place away from moisture. Keep the container tightly closed. Exposure to humidity can cause clumping or reduce performance. Use clean, dry tools when measuring or transferring the powder to avoid contamination.