Introduction to Hydroxypropyl Methyl Cellulose HPMC CAS 9004 65 3

Hydroxypropyl Methylcellulose (HPMC), na ang Chinese na pangalan ay hydroxypropyl methylcellulose, ay isang semi-synthetic, non-ionic cellulose eter na nakuha sa pamamagitan ng chemically modifying natural cellulose. Ang puting pulbos na ito ay maaaring bumuo ng isang transparent na malapot na solusyon pagkatapos matunaw sa tubig. Ito ay may mahusay na pampalapot, pagpapanatili ng tubig, katatagan at mga katangian ng pagbuo ng pelikula. Ito ay isang kailangang-kailangan na multifunctional additive sa maraming larangan tulad ng konstruksiyon.

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

Napakahusay na solubility sa tubig: Maaari itong mabilis na matunaw sa malamig na tubig upang bumuo ng isang malinaw at matatag na solusyon.

Mahusay na pampalapot at kakayahan sa pagpapanatili ng tubig: Dagdagan ang lagkit ng materyal, epektibong bawasan ang pagsingaw ng tubig, at pagbutihin ang kahusayan sa trabaho.

Magandang katatagan: Ito ay may mahusay na katatagan sa mga acid, alkalis, at mga asin, at angkop para sa malawak na hanay ng mga halaga ng pH.

Mga epekto sa pagbuo ng pelikula at proteksyon: Pagkatapos matuyo, ito ay bumubuo ng isang matigas at transparent na pelikula upang protektahan ang substrate at maiwasan ang pagtagos ng tubig at pagsingaw.

Non-toxic at hindi nakakairita: Ito ay may mahusay na biocompatibility at angkop para sa mga larangan ng medisina at pagkain.

Pagsasaayos: Sa pamamagitan ng pagbabago ng antas ng pagpapalit at molekular na timbang, ang pagganap nito ay maaaring iakma upang matugunan ang iba't ibang mga kinakailangan sa aplikasyon.

Specifications of Hydroxypropyl Methyl Cellulose HPMC CAS 9004 65 3

Hydroxypropyl Methyl Cellulose (HPMC)– Product Specs

Standard Information

Numero ng CAS: 9004-65-3
Pangalan ng Kemikal: Hydroxypropyl Methyl Cellulose
Molecular Formula: C8H16O6 (stands for the duplicating system; actual polymer varies by grade).
Hitsura: White to off-white, malayang dumadaloy na pulbos.

Trick Physical and Chemical Residences

HPMC is a non-ionic cellulose ether made from natural cellulose. It liquifies easily in chilly water yet does not dissolve in hot water over its gelation temperature level. The product creates clear, anemic services with excellent film-forming ability.

Typical viscosity varieties from 5 mPa · sa 100,000 mPa · s (tinutukoy sa 2% konsentrasyon, 20 ° C), relying on the grade. Wetness content stays below 5% (sa timbang). The pH of a 2% remedy normally falls in between 4.0 at 8.0.

Pureness and Top Quality Standards

This HPMC fulfills pharmacopeial criteria such as USP-NF, EP, and JP when made use of in pharmaceutical applications. For industrial or building uses, it complies with appropriate technological requirements. Hefty metals are kept under 10 ppm. Residue on ignition stays below 1.5%. Microbial limits comply with basic guidelines: overall cardio count ≤ 100 CFU/g, yeast and mold and mildew ≤ 10 CFU/g, and absence of E. coli at Salmonella.

Imbakan at Pangangasiwa

Shop HPMC in a great, dry place away from direct sunshine. Keep containers firmly near protect against wetness absorption. Use basic commercial health techniques when handling. Prevent creating dirt.

Mga Karaniwang Aplikasyon

HPMC is commonly made use of in pharmaceuticals as a binder, pampalapot, or controlled-release agent in tablets. In building, it boosts workability and water retention in cement-based items like tile adhesives and provides. It also serves as a stabilizer in food, mga pampaganda, and paints.

Applications of Hydroxypropyl Methyl Cellulose HPMC CAS 9004 65 3

Mga aplikasyon ng Hydroxypropyl Methyl Cellulose (HPMC) CAS 9004-65-3

Construction and Building Materials

HPMC is commonly used in dry-mix mortars, ceramic tile adhesives, at self-leveling compounds. It boosts water retention so cement can completely hydrate. This leads to more powerful bonds and much better workability. Builders also depend on HPMC to reduce drooping and prolong open time throughout application.

Droga

In tablets and pills, HPMC function as a binder, film-coating agent, o controlled-release matrix. It liquifies gradually in the digestive tract, aiding active ingredients launch at the appropriate rate. Because it is non-toxic and steady, regulative companies approve it for dental use worldwide.

Food Market

HPMC nagsisilbing pampalapot, emulsifier, and stabilizer in numerous refined foods. You can locate it in sauces, ice cream, and gluten-free baked products. It helps keep appearance and avoids separation without changing taste.

Personal Treatment and Cosmetics

Mga shampoo, mga lotion, and tooth pastes frequently consist of HPMC. It gives products a smooth feel and keeps ingredients equally combined. Its film-forming capacity additionally aids skincare products remain on the skin much longer.

Mga Pintura at Patong

Suppliers add HPMC to water-based paints to control thickness and stop splattering. It increases pigment suspension and makes brushing easier. The outcome is an uniform do with less brush marks.

Agriculture

In chemical and fertilizer formulations, HPMC works as a carrier and adhesive. It aids active components adhere to plant surfaces and slows down drainage after rain. This increases efficiency and reduces waste.

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5 FAQs of Hydroxypropyl Methyl Cellulose HPMC CAS 9004 65 3

Frequently Asked Questions About Hydroxypropyl Methyl Cellulose (HPMC)

Ano ang HPMC?

Ang HPMC ay kumakatawan sa Hydroxypropyl Methyl Cellulose. It is a white to off-white powder made from plant cellulose. People use it in many products like medicines, pagkain, and building materials. It dissolves in cold water but not in hot water. This makes it useful for controlling texture and thickness.

Is HPMC safe to use?

Oo, Ligtas ang HPMC. Regulatory groups like the FDA and EFSA have approved it for use in food and drugs. Ito ay dumadaan sa katawan nang hindi hinihigop. That means it does not cause harm when used as directed. Always follow safety instructions on the product label.

What are common uses of HPMC?

HPMC works as a thickener, panali, at pelikula-dating. Sa pagtatayo, it helps tile adhesives and plasters stay smooth and work well. Sa mga pharmaceutical, it coats pills so they dissolve at the right time. Sa pagkain, it adds texture without changing taste. You can also find it in eye drops and cosmetics.

Paano dapat iimbak ang HPMC?

Itabi ang HPMC sa malamig, tuyong lugar. Keep it away from moisture and direct sunlight. Use a tightly closed container to stop clumping. Kung ang pulbos ay nabasa, it may lose its quality. Check the expiration date before use.

Maaari bang palitan ng HPMC ang iba pang mga pampalapot?

HPMC can often replace other cellulose-based thickeners like methyl cellulose or carboxymethyl cellulose. But results may vary based on the application. Test small batches first to make sure performance meets your needs. Its unique mix of solubility and stability makes it a strong choice in many cases.