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

Hydroxypropyl Methylcellulose (HPMC), y mae ei enw Tsieineaidd yn hydroxypropyl methylcellulose, yn lled-synthetig, ether cellwlos nad yw'n ïonig a geir trwy addasu cellwlos naturiol yn gemegol. Gall y powdr gwyn hwn ffurfio hydoddiant gludiog tryloyw ar ôl hydoddi mewn dŵr. Mae ganddo dewychu rhagorol, cadw dŵr, sefydlogrwydd ac eiddo ffurfio ffilm. Mae'n ychwanegyn amlswyddogaethol anhepgor mewn llawer o feysydd megis adeiladu.

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

Hydoddedd dŵr ardderchog: Gellir ei doddi'n gyflym mewn dŵr oer i ffurfio datrysiad clir a sefydlog.

Tewychu effeithlon a gallu cadw dŵr: Cynyddu gludedd y deunydd, lleihau anweddiad dŵr yn effeithiol, a gwella effeithlonrwydd gwaith.

Sefydlogrwydd da: Mae ganddo sefydlogrwydd da i asidau, alcalis, a halwynau, ac mae'n addas ar gyfer ystod eang o werthoedd pH.

Ffurfio ffilm ac effeithiau amddiffynnol: Ar ôl sychu, mae'n ffurfio ffilm galed a thryloyw i amddiffyn y swbstrad ac atal treiddiad ac anweddiad dŵr.

Heb fod yn wenwynig ac nad yw'n cythruddo: Mae ganddo fiocompatibility da ac mae'n addas ar gyfer meysydd meddygaeth a bwyd.

Addasrwydd: Trwy newid graddau'r amnewid a phwysau moleciwlaidd, gellir addasu ei berfformiad i fodloni gofynion cais gwahanol.

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

Cellwlos Methyl Hydroxypropyl (HPMC)– Manylebau Eitem

Gwybodaeth Sylfaenol

Galwad Cemegol: Cellwlos Methyl Hydroxypropyl
Rhif CAS: 9004-65-3
Fformiwla Moleciwlaidd: C₈H₁₄O₄ (repeating device, varies by replacement).
Ymddangosiad: Powdwr sy'n llifo'n rhydd o wyn i lwydfelyn.
Arogl: Heb arogl.

Trick Physical and Chemical Features

HPMC dissolves quickly in cold water to form a clear, rhwymedi trwchus. 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, cadw dŵr, ac effeithlonrwydd tewychu.

Viscosity varies by item grade. Usual thickness arrays include 5 mPa·s i 100,000 mPa·s (gauged as a 2% ateb yn 20 °C). Substitution degrees are managed to satisfy details application needs:.
– Cynnwys Methoxy: 19%– 30%.
– Cynnwys gwe hydroxypropoxy: 4%– 32%.

Purity and Quality Requirements

HPMC fulfills significant pharmacopeial standards, gan gynnwys USP-NF, EP, ac YH, 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.e., complete aerobic matter ≤ 100 CFU/g).

Cymwysiadau Nodweddiadol

This raw material is widely made use of in:.
– Fferyllol: As a binder, cynrychiolydd haen, neu fatrics rhyddhau dan reolaeth mewn cyfrifiaduron llechen.
– Adeilad: In cement-based products for enhanced workability and water retention.
– Bwyd: As a thickener or stabilizer (lle caniateir).
– Individual treatment: In hair shampoos, golchdrwythau, 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

Cymwysiadau Hydroxypropyl Methyl Cellulose (HPMC)– CAS 9004-65-3

Adeiladu a Chynhyrchion Adeiladu

HPMC is commonly made use of in cement-based products like tile adhesives, cyfansoddion hunan-lefelu, a phlastrau. 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.

Fferyllol

Mewn meddygaeth, HPMC work as a binder, cynrychiolydd cotio ffilm, neu fatrics rhyddhau dan reolaeth mewn cyfrifiaduron llechen. 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.

Diwydiant Bwyd

HPMC yn gwasanaethu fel tewychydd, emylsydd, and stabilizer in lots of refined foods. It assists keep appearance and protects against component splitting up in items like sauces, hufen iâ, a chynhyrchion pobi heb glwten. Regulative agencies acknowledge it as risk-free for consumption under particular use degrees.

Paent a Haenau

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.

Cosmetigau a Thriniaeth Bersonol

Mewn golchdrwythau, siampŵau, 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.

Amaethyddiaeth

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.

Proffil Cwmni

Ni yw'r arweinydd byd-eang mewn atebion ewyn concrit ysgafn ac uwch wedi'u peiriannu. Yn adnabyddus yn fyd-eang am ei ymrwymiad i ymchwil, arloesi, ac arbenigedd cymhwysol, rydym wedi bod yn darparu datrysiadau ewyn peirianyddol ers y 2012 cynnar.

Gallwn gyflenwi cymysgedd concrit o ansawdd uchel a chynhyrchion ewyn cysylltiedig â choncrit ledled y byd.

Mae gan y cwmni adran dechnegol broffesiynol ac adran goruchwylio ansawdd, labordy â chyfarpar da, ac yn meddu ar offer profi uwch a chanolfan gwasanaeth cwsmeriaid ôl-werthu.

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Cludo

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

Cwestiynau Cyffredin Am Hydroxypropyl Methyl Cellulose (HPMC)

Beth yw HPMC?

Mae HPMC yn sefyll am Hydroxypropyl Methyl Cellulose. Mae'n bowdr gwyn neu all-gwyn wedi'i wneud o seliwlos naturiol. This chemical raw material is widely used in construction, fferyllol, bwyd, a cholur. Mae'n hydoddi mewn dŵr oer ac yn ffurfio clir, hydoddiant gludiog.

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.

Beth yw prif ddefnyddiau HPMC?

Mewn adeiladu, HPMC works as a thickener and water-retention agent in tile adhesives, plastrau, a chyfansoddion hunan-lefelu. Yn pharma, it acts as a binder or coating in tablets. Mae gwneuthurwyr bwyd yn ei ddefnyddio fel sefydlogwr neu emwlsydd. Cosmetic products use it to improve texture and consistency.

A yw HPMC yn ddiogel i'w ddefnyddio?

Oes. Nid yw HPMC yn wenwynig ac wedi'i gymeradwyo i'w ddefnyddio mewn llawer o ddiwydiannau. 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.

Sut y dylid storio HPMC?

Storio HPMC mewn oer, lle sych i ffwrdd o leithder. Cadwch y cynhwysydd ar gau yn dynn. Exposure to humidity can cause clumping or reduce performance. Defnyddiwch lân, dry tools when measuring or transferring the powder to avoid contamination.