What Is CAS Number 9002-89-5 and Why Should You Care?
At first glance, something like CAS Number 9002-89-5 might sound like an obscure code — perhaps a secret agent’s call sign or some industrial cipher. But in reality, it’s a key molecular ID crucial across manufacturing, healthcare, and environmental sectors worldwide. This number refers to a specific chemical substance that underpins countless applications, from packaging to pharmaceuticals.
Understanding what CAS 9002-89-5 represents, its uses, and challenges solves puzzles in product design and sustainable innovation — topics that affect everyone, whether you buy everyday goods or work in high-tech industry.
The Global Context: Why CAS Number 9002-89-5 Matters More Than Ever
Globally, industries rely heavily on polymers classified under CAS number 9002-89-5, a key player in producing synthetic materials. The World Bank reports that global polymer production exceeds 380 million metric tons annually, with related compounds making up a massive chunk of industrial output.
But while demand grows, environmental concerns and supply chain disruptions challenge manufacturers (and buyers alike). This is where the role of CAS 9002-89-5’s associated materials becomes critical — not just for performance, but for sustainability and adaptability in a changing world.
Breaking It Down: What Exactly Is CAS Number 9002-89-5?
Simply put, CAS numbers are like social security numbers for chemicals. CAS 9002-89-5 corresponds to Hydroxypropyl methylcellulose (HPMC), a widely used cellulose derivative.
You might know it as a film-forming agent, a thickener, or a binder — commonly found in food products, cosmetics, pharmaceuticals, and construction materials. Its natural origins (cellulose from plants) combined with chemical modification give it unique properties tailor-made for modern challenges.
Mini Takeaway:
- CAS 9002-89-5 = Hydroxypropyl methylcellulose, a versatile cellulose derivative.
- It bridges natural and synthetic worlds for robust industrial use.
Core Features of CAS Number 9002-89-5 Explained
1. Film-Forming Capability
One defining characteristic is its ability to form strong, flexible films. This makes it ideal for coatings or encapsulating active ingredients in pharmaceutical tablets. The film also offers moisture barrier properties, crucial in food packaging.
2. Water Solubility and Viscosity Control
HPMC’s water solubility allows it to modify fluid thickness in products — from creamy lotions to construction grouts. Manufacturers appreciate the fine control it offers over viscosity, which impacts everything from application to shelf life.
3. Thermal Gelation
Oddly enough, HPMC gels when heated, which is somewhat counterintuitive. This thermal gelation provides stability at elevated temperatures — super useful in high-performance coatings or controlled-release drugs.
4. Biocompatibility and Safety
Because it’s derived from cellulose and chemically benign, it’s considered safe for consumption and topical use. Regulatory bodies like the FDA approve its use in several edible and medicinal products.
Mini Takeaway:
- Film-forming and moisture barrier functions protect products.
- Water solubility offers flexibility in viscosity and product design.
- Thermal gelation enables stability in tough conditions.
- Biocompatibility makes it safe and highly versatile.
Where CAS Number 9002-89-5 Shines: Real-World Applications
From pharmaceutical tablets to industrial adhesives, its footprint is wide and growing. In Asia, rising consumer markets drive demand for better cosmetic textures that rely on HPMC’s thickening and film formation. In Europe, it forms part of green construction products aiming to reduce synthetic polymer loads.
Humanitarian organizations also use HPMC-based materials in fast-deploy medical kits and food packaging designed for crisis zones — combining safety, longevity, and performance.
Product Specification Table: Hydroxypropyl Methylcellulose (CAS 9002-89-5)
| Property | Value / Range | Units |
|---|---|---|
| Appearance | White to off-white powder | – |
| Viscosity (2% solution) | 50–4000 | mPa·s |
| Methoxy Content | 19–30 | % |
| Hydroxypropyl Content | 4–32 | % |
| Moisture Content | ≤5 | % |
| pH (2% solution) | 5.0–8.0 | – |
How Different Vendors Stack Up on CAS Number 9002-89-5 Materials
| Supplier | Viscosity Range (mPa·s) | Purity (%) | Shipping Options | Price Range (per kg) |
|---|---|---|---|---|
| Supplier A | 100–2500 | ≥99.5 | Standard, Express | $15–30 |
| Supplier B | 50–4000 | ≥98.8 | Bulk Freight | $13–28 |
| Supplier C | 500–3500 | ≥99.0 | Standard, Priority | $18–35 |
Why Companies and Innovators Love CAS Number 9002-89-5
Okay, let's get to brass tacks — what makes HPMC so indispensable? Well, it delivers consistent quality for a reasonable price while meeting many strict environmental and safety standards. It’s not just about cost, though — it’s about trust. Companies know what to expect.
Plus, the material itself is biodegradable under the right conditions — a big win in the ongoing battle against persistent plastics. Socially, its use in medical and food products means it contributes to human well-being directly. That kind of emotional ROI can’t be ignored.
The Road Ahead: Trends and Innovations Around CAS 9002-89-5
Fast-forward a few years and you’ll see plenty of efforts to tweak or combine HPMC with other bio-based polymers to enhance properties or cost efficiency. Digital manufacturing workflows also enable more precise customization of viscosity and film thickness. Automation in packaging now adjusts formulations on the fly, improving waste reduction.
Green chemistry policies by the EU and UN push towards replacing petrochemical additives with cellulose derivatives — our CAS 9002-89-5 star — meaning bigger markets and more research dollars.
Overcoming the Limitations
But it’s not all sunshine. HPMC can be sensitive to pH extremes or ionic strength changes, which affects solubility and viscosity unpredictably sometimes. Plus, the supply chain still hinges on cellulose purity and agricultural variables.
Innovative manufacturers now use controlled fermentation and hybrid chemical processes to stabilize inputs. Some are experimenting with nanocellulose blends to reinforce films or ramp up biodegradability.
FAQ: Your Top Questions About CAS Number 9002-89-5
- What industries rely most heavily on CAS number 9002-89-5?
- Pharmaceutical, construction, food packaging, and cosmetic sectors are top users, relying on its film, thickening, and binding properties to ensure product safety and performance.
- Is CAS 9002-89-5 considered environmentally friendly?
- Yes. Derived from natural cellulose and biodegradable under certain conditions, it’s widely regarded as a greener alternative to synthetic polymers, aligning with sustainability goals.
- How stable is this compound in varying environmental conditions?
- Hydroxypropyl methylcellulose exhibits thermal gelation benefits but can be sensitive to extremes in pH and ionic strength; formulations need adjustment for harsh environments.
- Can I buy CAS 9002-89-5 materials in bulk for industrial applications?
- Absolutely. Various suppliers provide bulk and customized grades with differing viscosities and purities — ideal for scaling manufacturing without significant quality compromise.
- How does CAS number 9002-89-5 impact drug delivery?
- It acts as a release-controlling agent, stabilizer, and protective film former, enabling more accurate dosage and improved shelf-life in tablets and capsules.
In Closing: Why CAS Number 9002-89-5 Deserves Your Attention
It’s clear that CAS number 9002-89-5 isn’t just another chemical registry entry. It’s a foundation for a variety of sectors that touch daily life and meet essential challenges — safety, sustainability, and performance. When you see that number, think of the invisible support it offers, whether in your skincare routine, the medicines on your shelf, or the packaging that keeps food fresh.
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