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

Hidroxipropil metilcelulosa (HPMC), cuxo nome chinés é hidroxipropilmetilcelulosa, é un semisintético, éter de celulosa non iónico obtido modificando químicamente a celulosa natural. Este po branco pode formar unha solución viscosa transparente despois de disolverse en auga. Ten un excelente espesamento, retención de auga, estabilidade e propiedades de formación de película. É un aditivo multifuncional indispensable en moitos campos como a construción.

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

Excelente solubilidade en auga: Pódese disolver rapidamente en auga fría para formar unha solución clara e estable.

Capacidade de espesamento e retención de auga eficiente: Aumentar a viscosidade do material, reducir eficazmente a evaporación da auga, e mellorar a eficiencia laboral.

Boa estabilidade: Ten boa estabilidade aos ácidos, álcalis, e sales, e é adecuado para unha ampla gama de valores de pH.

Efectos formadores de película e protectores: Despois do secado, forma unha película resistente e transparente para protexer o substrato e evitar a penetración e evaporación da auga.

Non tóxico e non irritante: Ten unha boa biocompatibilidade e é axeitado para os campos da medicina e dos alimentos.

Axustabilidade: Ao cambiar o grao de substitución e o peso molecular, o seu rendemento pódese axustar para satisfacer diferentes requisitos de aplicación.

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

Hidroxipropil metil celulosa (HPMC)– Especificacións do artigo

Información básica

Convocatoria Química: Hidroxipropil metil celulosa
Número CAS: 9004-65-3
Fórmula Molecular: C₈H₁₄O₄ (repeating device, varies by replacement).
Aparición: Po fluído de branco a beige.
Cheiro: Inodoro.

Trick Physical and Chemical Features

HPMC dissolves quickly in cold water to form a clear, remedio espeso. 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, retención de auga, e eficacia de espesamento.

Viscosity varies by item grade. Usual thickness arrays include 5 mPa · s a 100,000 mPa · s (gauged as a 2% solución en 20 °C). Substitution degrees are managed to satisfy details application needs:.
– Contido de metoxi: 19%– 30%.
– Contido web de hidroxipropoxi: 4%– 32%.

Purity and Quality Requirements

HPMC fulfills significant pharmacopeial standards, including USP-NF, EP, e 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 (p.ex., complete aerobic matter ≤ 100 CFU/g).

Aplicacións típicas

This raw material is widely made use of in:.
– Farmacéuticos: As a binder, representante da capa, or controlled-release matrix in tablet computers.
– Edificio: In cement-based products for enhanced workability and water retention.
– Comida: As a thickener or stabilizer (onde se permita).
– Individual treatment: In hair shampoos, loções, 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

Aplicacións da hidroxipropil metil celulosa (HPMC)– CAS 9004-65-3

Construción e produtos de construción

HPMC is commonly made use of in cement-based products like tile adhesives, compostos autonivelantes, e emplastos. 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.

Farmacéuticos

En medicina, HPMC work as a binder, representante do revestimento de película, 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.

Industria alimentaria

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

Pinturas e Revestimentos

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.

Cosmética e Tratamento Persoal

En loções, xampús, 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.

Agricultura

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.

Perfil da empresa

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Pagamento

T/T, Western Union, Paypal, Tarxeta de crédito, etc.

Envío

Por aire, polo mar, por expreso, como solicitan os clientes.

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

Preguntas frecuentes sobre a hidroxipropil metil celulosa (HPMC)

O que é HPMC?

HPMC significa hidroxipropilmetilcelulosa. It is a white or off-white powder made from natural cellulose. This chemical raw material is widely used in construction, produtos farmacéuticos, comida, e cosméticos. Disólvese en auga fría e forma unha clara, solución viscosa.

What is the CAS number for HPMC?

O número CAS da hidroxipropilmetilcelulosa é 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?

En construción, HPMC works as a thickener and water-retention agent in tile adhesives, emplastos, e compostos autonivelantes. En farmacia, it acts as a binder or coating in tablets. Os fabricantes de alimentos utilízano como estabilizador ou emulsionante. Cosmetic products use it to improve texture and consistency.

HPMC é seguro de usar?

Si. 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.

Como se debe almacenar o HPMC?

Almacene o HPMC nun lugar fresco, lugar seco lonxe da humidade. Keep the container tightly closed. Exposure to humidity can cause clumping or reduce performance. Use limpo, dry tools when measuring or transferring the powder to avoid contamination.