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

Hidroksipropil metilceluloza (HPMC), čije je kinesko ime hidroksipropil metilceluloza, je polusintetika, neionski celulozni eter dobiven kemijskom modifikacijom prirodne celuloze. Ovaj bijeli prah može stvoriti prozirnu viskoznu otopinu nakon otapanja u vodi. Ima izvrsno zgušnjavanje, zadržavanje vode, stabilnost i svojstva stvaranja filma. Neizostavan je višenamjenski dodatak u mnogim područjima poput građevinarstva.

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

Izvrsna topljivost u vodi: Može se brzo otopiti u hladnoj vodi kako bi se dobila bistra i stabilna otopina.

Učinkovito zgušnjavanje i sposobnost zadržavanja vode: Povećajte viskoznost materijala, učinkovito smanjiti isparavanje vode, i poboljšati učinkovitost rada.

Dobra stabilnost: Ima dobru stabilnost na kiseline, lužine, i soli, i pogodan je za širok raspon pH vrijednosti.

Filmotvorni i zaštitni učinci: Nakon sušenja, stvara čvrst i proziran film koji štiti podlogu i sprječava prodor vode i isparavanje.

Netoksičan i ne iritira: Ima dobru biokompatibilnost i pogodan je za područja medicine i prehrane.

Prilagodljivost: Promjenom stupnja supstitucije i molekulske težine, njegova se izvedba može prilagoditi različitim zahtjevima primjene.

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

Hidroksipropil metil celuloza (HPMC)– Specifikacije stavke

Osnovne informacije

Kemijski poziv: Hidroksipropil metil celuloza
CAS broj: 9004-65-3
Molekularna formula: C₈H₁₄O₄ (repeating device, varies by replacement).
Izgled: Bijeli do bež sipki prah.
Miris: Bez mirisa.

Trik Fizičke i kemijske značajke

HPMC dissolves quickly in cold water to form a clear, gusti lijek. It does not dissolve in hot water above its gelation temperature (obično 50– 90 °C, ovisno o kvaliteti). The product is non-ionic and secure over a broad pH variety (3– 11). It shows excellent film-forming capacity, zadržavanje vode, and thickening efficiency.

Viscosity varies by item grade. Usual thickness arrays include 5 mPa · s do 100,000 mPa · s (mjereno kao a 2% rješenje na 20 °C). Substitution degrees are managed to satisfy details application needs:.
– Sadržaj metoksi: 19%– 30%.
– Hydroxypropoxy web sadržaj: 4%– 32%.

Purity and Quality Requirements

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

Tipične primjene

This raw material is widely made use of in:.
– Farmaceutika: As a binder, predstavnik sloja, ili matricu s kontroliranim otpuštanjem u tablet računalima.
– zgrada: In cement-based products for enhanced workability and water retention.
– Food: As a thickener or stabilizer (gdje je dopušteno).
– Individual treatment: U šamponima za kosu, losioni, 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 mjeseci pod odgovarajućim problemima.

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

Primjena hidroksipropil metil celuloze (HPMC)– CAS 9004-65-3

Izgradnja i građevinski proizvodi

HPMC is commonly made use of in cement-based products like tile adhesives, samonivelirajuće mase, i flasteri. 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.

Farmaceutika

U medicini, HPMC work as a binder, film-coating predstavnik, ili matricu s kontroliranim otpuštanjem u tablet računalima. 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.

Prehrambena industrija

HPMC serves as a thickener, emulgator, and stabilizer in lots of refined foods. It assists keep appearance and protects against component splitting up in items like sauces, sladoled, i pekarski proizvodi bez glutena. Regulative agencies acknowledge it as risk-free for consumption under particular use degrees.

Boje i premazi

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.

Kozmetika i osobni tretmani

U losionima, šamponi, 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.

Poljoprivreda

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.

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

Često postavljana pitanja o hidroksipropil metil celulozi (HPMC)

Što je HPMC?

HPMC je kratica za Hydroxypropyl Methyl Cellulose. To je bijeli ili prljavo bijeli prah napravljen od prirodne celuloze. This chemical raw material is widely used in construction, farmaceutski proizvodi, hrana, i kozmetike. Otapa se u hladnoj vodi i stvara bistar, viskozna otopina.

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?

U izgradnji, HPMC works as a thickener and water-retention agent in tile adhesives, flasteri, i samorazlivne mase. U farmaciji, djeluje kao vezivo ili ovojnica u tabletama. Proizvođači hrane ga koriste kao stabilizator ili emulgator. Cosmetic products use it to improve texture and consistency.

Je li HPMC siguran za korištenje?

Da. 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.

Kako treba skladištiti HPMC?

Čuvajte HPMC na hladnom, suho mjesto daleko od vlage. Držati spremnik dobro zatvoren. Exposure to humidity can cause clumping or reduce performance. Koristite čisto, dry tools when measuring or transferring the powder to avoid contamination.