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

Hydroxypropyl methylcellulose (HPMC), ane zita rechiChinese rinonzi hydroxypropyl methylcellulose, is a semi-synthetic, isiri-ionic cellulose ether inowanikwa nemakemikari ekugadzirisa cellulose chaiyo. Iyi poda chena inogona kugadzira yakajeka viscous mhinduro mushure mekunyungudika mumvura. Ine yakanakisa thickening, kuchengetedza mvura, kugadzikana uye firimu-kugadzira zvinhu. Icho chinonyanya kukosha chekuwedzera chekuwedzera muminda yakawanda senge kuvaka.

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

Yakanakisa solubility yemvura: Inogona kukurumidza kunyungudutswa mumvura inotonhora kuti iite mhinduro yakajeka uye yakagadzikana.

Kunyatsokora uye kugona kuchengetedza mvura: Wedzera viscosity yezvinhu, zvinobudirira kuderedza mvura evaporation, uye kuvandudza kushanda zvakanaka.

Kugadzikana kwakanaka: Iine kugadzikana kwakanaka kune acids, alkalis, uye munyu, uye inokodzera huwandu hwakawanda hwepH tsika.

Kugadzira firimu uye kudzivirira mhedzisiro: Mushure mekuoma, inoumba firimu rakaoma uye rakajeka kuchengetedza substrate uye kudzivirira kupinda kwemvura uye kubuda.

Kwete-chepfu uye isingatsamwire: Iyo ine biocompatibility yakanaka uye yakakodzera kuminda yemishonga uye chikafu.

Adjustability: Nekuchinja dhigirii rekutsiva uye uremu hwemamorekuru, kushanda kwayo kunogona kugadziriswa kuti isangane nezvinodiwa zvakasiyana zvekushandisa.

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
Nhamba yeCAS: 9004-65-3
Molecular Formula: C₈H₁₄O₄ (repeating device, varies by replacement).
Chitarisiko: Ichena kune beige isina-inoyerera poda.
Kunhuwa: Kusina hwema.

Trick Physical and Chemical Features

HPMC dissolves quickly in cold water to form a clear, mushonga wakakora. 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, kuchengetedza mvura, and thickening efficiency.

Viscosity varies by item grade. Usual thickness arrays include 5 mPa · s kusvika 100,000 mPa · s (gauged as a 2% mhinduro pa 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, kusanganisira USP-NF, EP, uye 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 mumiririri, kana kudzorwa-kuburitsa matrix mumakombuta ehwendefa.
– Building: In cement-based products for enhanced workability and water retention.
– Zvokudya: As a thickener or stabilizer (kwaibvumirwa).
– Individual treatment: Mune bvudzi 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

Kushandiswa kweHydroxypropyl Methyl Cellulose (HPMC)– CAS 9004-65-3

Kuvaka uye Kuvaka Zvigadzirwa

HPMC inowanzoshandiswa muzvigadzirwa-simende sematairi anonamira, self-leveling compounds, uye 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

Mumishonga, HPMC work as a binder, film-coating mumiririri, kana kudzorwa-kuburitsa matrix mumakombuta ehwendefa. 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.

Indasitiri Yezvokudya

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, uye gluten-isina yakabikwa zvigadzirwa. Regulative agencies acknowledge it as risk-free for consumption under particular use degrees.

Paints uye 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 uye Personal Treatment

Mune 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.

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

Mibvunzo Inowanzo bvunzwa Nezve Hydroxypropyl Methyl Cellulose (HPMC)

Chii chinonzi HPMC?

HPMC inomirira Hydroxypropyl Methyl Cellulose. Iyo chena kana isina-chena poda yakagadzirwa kubva kune yakasikwa cellulose. This chemical raw material is widely used in construction, mishonga yemishonga, chikafu, uye zvizorwa. Inonyungudika mumvura inotonhora uye inoumba zvakajeka, 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.

Ndeapi mashandisirwo makuru eHPMC?

Mukuvaka, HPMC works as a thickener and water-retention agent in tile adhesives, plasters, uye self-leveling compounds. Mu pharma, it acts as a binder or coating in tablets. Vagadziri vekudya vanoishandisa se stabilizer kana emulsifier. Cosmetic products use it to improve texture and consistency.

Ko HPMC yakachengeteka kushandisa?

Ehe. 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.

HPMC inofanira kuchengetwa sei?

Chengetedza HPMC mune inotonhorera, nzvimbo yakaoma kure nehunyoro. Chengetedza mudziyo wakavharwa zvakasimba. Exposure to humidity can cause clumping or reduce performance. Shandisa yakachena, dry tools when measuring or transferring the powder to avoid contamination.