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

Hidroksipropil metilceluloza (HPMC), čiji je kineski naziv hidroksipropil metilceluloza, je polusintetika, nejonski eter celuloze dobijen hemijskom modifikacijom prirodne celuloze. Ovaj bijeli prah može formirati prozirnu viskoznu otopinu nakon rastvaranja u vodi. Ima odlično zgušnjavanje, zadržavanje vode, stabilnost i svojstva stvaranja filma. To je nezamjenjiv multifunkcionalni aditiv u mnogim poljima kao što je građevinarstvo.

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

Odlična rastvorljivost u vodi: Može se brzo otopiti u hladnoj vodi kako bi se formirala bistra i stabilna otopina.

Efikasno zgušnjavanje i sposobnost zadržavanja vode: Povećajte viskozitet materijala, efikasno smanjuju isparavanje vode, i poboljšati radnu efikasnost.

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

Filmotvorni i zaštitni efekti: Nakon sušenja, formira čvrst i proziran film koji štiti podlogu i sprečava prodiranje vode i isparavanje.

Netoksičan i neiritantan: Ima dobru biokompatibilnost i pogodan je za područja medicine i hrane.

Prilagodljivost: Promjenom stepena supstitucije i molekularne težine, njegove performanse se mogu prilagoditi kako bi zadovoljile različite zahtjeve primjene.

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

Hidroksipropil metil celuloza (HPMC)– Specifikacije predmeta

Osnovne informacije

Chemical Call: Hidroksipropil metil celuloza
CAS broj: 9004-65-3
Molecular Formula: C₈H₁₄O₄ (repeating device, varies by replacement).
Izgled: Bijeli do bež slobodno tečući puder.
Miris: Bez mirisa.

Fizičke i hemijske karakteristike trikova

HPMC dissolves quickly in cold water to form a clear, debeo lek. 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, zadržavanje vode, i efikasnost zgušnjavanja.

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:.
– Metoksi sadržaj: 19%– 30%.
– Hidroksipropoksi web sadržaj: 4%– 32%.

Purity and Quality Requirements

HPMC fulfills significant pharmacopeial standards, uključujući 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:.
– Pharmaceuticals: As a binder, predstavnik sloja, ili matrica sa kontrolisanim otpuštanjem u tablet računarima.
– Zgrada: In cement-based products for enhanced workability and water retention.
– Food: As a thickener or stabilizer (where allowed).
– Individual treatment: In hair shampoos, 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

Građevinski i građevinski proizvodi

HPMC is commonly made use of in cement-based products like tile adhesives, samorazlivajuće smjese, i gipsa. 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

U medicini, HPMC work as a binder, predstavnik filmskog premaza, ili matrica sa kontrolisanim otpuštanjem u tablet računarima. 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 pečeni 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 lični tretman

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)

Šta je HPMC??

HPMC je skraćenica za hidroksipropil metil celulozu. To je bijeli ili sivobijeli prah napravljen od prirodne celuloze. This chemical raw material is widely used in construction, farmaceutski proizvodi, hrana, i kozmetika. Rastvara se u hladnoj vodi i stvara bistru, viskozni rastvor.

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.

Koje su glavne upotrebe HPMC-a?

U građevinarstvu, HPMC works as a thickener and water-retention agent in tile adhesives, flasteri, i samorazlivajuće smjese. U farmaciji, it acts as a binder or coating in tablets. Proizvođači hrane ga koriste kao stabilizator ili emulgator. Cosmetic products use it to improve texture and consistency.

Da li je HPMC siguran za upotrebu?

Da. HPMC je netoksičan i odobren za upotrebu u mnogim industrijama. 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 čuvati HPMC?

Čuvajte HPMC na hladnom, suhom mjestu daleko od vlage. Držite posudu dobro zatvorenu. Exposure to humidity can cause clumping or reduce performance. Koristite čistu, dry tools when measuring or transferring the powder to avoid contamination.