Cas 9049 76 7
Meta Description: Trusted CAS 9049-76-7 HPMC manufacturer in China. Bulk hydroxypropyl methylcellulose for construction mortars, pharma coatings, food grades. Factory direct pricing, ISO certified, fast global shipping to USA/EU.
CAS 9049-76-7 Hydroxypropyl Methylcellulose (HPMC) – Your Reliable Bulk Supplier
Sourcing high-purity HPMC under CAS 9049-76-7? We've handled thousands of tons for global buyers facing tight deadlines in mortar additives or pharma excipients. Direct from our Hebei factory – no middlemen, consistent quality every batch.
Table of Contents
Common Procurement Headaches When Sourcing CAS 9049-76-7 HPMC
Procurement managers know the drill. You search for CAS 9049-76-7, expecting straightforward specs on hydroxypropyl methylcellulose. Instead, you hit inconsistent purity levels, delayed shipments, or suppliers vanishing after the deposit. We've seen importers in the US burn weeks testing subpar batches that gelled wrong in tile adhesives.
One issue stands out: viscosity drift. HPMC from unreliable sources might test at 50,000 mPa·s on paper, but in your dry-mix mortar, it thickens unevenly under heat. Suddenly, your production line slows. Or take pharma buyers – that off-spec ash content fails USP compliance, forcing recalls.
China dominates HPMC supply, over 80% global output. But not all factories scale reliably. Small traders promise rock-bottom prices, then deliver powder with lumps or foreign odors. Lead times stretch from 7 days to months when containers pile up at ports.
- Batch inconsistency leads to rework costs.
- Fake certifications waste verification time.
- Hidden moisture content ruins storage.
- MOQ traps lock you into excess inventory.
We've fielded calls from operations directors mid-project, scrambling for alternatives. The fix? Partner with a factory that treats your spec sheet like gospel. Not hype – just results.
CAS 9049-76-7 HPMC: Our Proven Solution from Lab to Site
Hydroxypropyl methylcellulose, tagged CAS 9049-76-7, isn't just another cellulose ether. It's the workhorse in water retention for cement renders, film-forming in pill coatings, or suspending agents in paints. At Tang Zhi Technology (Hebei) Co., Ltd., we etherify refined cotton pulp under strict controls, hitting methoxyl 19-24% and hydroxypropoxy 9-12% every time.
Think about your last mortar mix. Without stable HPMC, water bleeds out too fast – cracks form before curing finishes. Our grades hold suspension up to 40°C, even in humid jobsites. Procurement tip: always match hydroxypropyl content to your climate; higher ratios fight sag in vertical trowels.
In pharma, CAS 9049-76-7 HPMC shines for sustained-release matrices. We've supplied lots for tablet coatings that dissolve precisely at pH 6.8, no surprises. Food-grade variants? Clear gels for sauces, vegan capsules that seal tight.
Production-wise, we run propylene oxide and methyl chloride reactions in closed-loop reactors. No solvent residues bleed into your batch. Yields hover around 95%, meaning less waste upstream.
Buyers often overlook gel temperature. Ours tunes from 58-64°C, ideal for extrusion processes. Test it: dissolve 2% in water at 20°C – smooth, no clumps. That's operational reliability, not sales talk.
For OEM runs, we tweak substitution degrees. Need E5 grade for eye drops? Or K15M for osmotic pumps? We dial it in. Short story: your engineers spend less time reformulating.
Over years, we've learned imports trip on REACH compliance for EU or FDA 21 CFR for US pharma. Our docs stack up, pre-audited. No last-minute scrambles.
Why Our Hebei Factory Delivers for Global Buyers
Tang Zhi Technology (Hebei) Co., Ltd. sits in Jinzhou City, spanning 140,000 sqm with 90,000 sqm built space. Eight automated lines churn out 40,000+ tons yearly of HPMC, MHEC, RDP, CMC – CAS 9049-76-7 is core.
Equipment? World-class from Germany and Japan: spray dryers hit 1 micron particle size, centrifuges recover 99% solvents. Labs run 24/7 Brookfield viscosimetry, FTIR for substitution checks.
Certifications matter. ISO 9001, ISO 14001, Halal, Kosher. For pharma, we're pushing USP/EP alignment. REACH registered for EU exports. No shortcuts.
- Annual audits by third parties.
- Vertical integration: pulp to powder in-house.
- 40+ engineers tweaking formulations.
- Export to 50+ countries, repeat orders 70%.
Logistics edge: bonded warehouse cuts customs delays. FCL 20ft holds 18 tons HPMC – optimized packing, no shifts in transit.
From export manager's view: we've shipped to Texas dry-mix plants during hurricane rebuilds. On-time, every container.
CAS 9049-76-7 HPMC in Action: Applications Across Industries
Construction eats most: 0.2-0.5% addition in tile grout retains water 2-3x longer than methylcellulose alone. Workers slap it on without slumping.
Pharma next: hypromellose E-grade for veggie caps. Dissolves fast, no brittleness in high-humidity storage.
Other spots? Gypsum plasters (retards set, smooth finish), oil drilling (thickens muds), paints (prevents pigment settling). Even detergents – stabilizes enzymes.
Custom tweak: for self-leveling floors, we boost hydroxypropyl to fight bleeding under pump pressure.
Detailed Technical Specifications Table
| Parameter | Test Method | Specification |
|---|---|---|
| CAS No. | - | 9049-76-7 |
| Appearance | Visual | White to off-white powder |
| Loss on Drying | 105°C, 3h | ≤5.0% |
| PH (1% sol.) | GB/T 1773 | 5.0-8.0 |
| Methoxyl (%) | GB/T 1773 | 19.0-24.0 |
| Hydroxypropoxyl (%) | GB/T 1773 | 9.0-12.0 |
| Viscosity (mPa·s) | 2% Brookfield, 20°C | 5-200,000 (custom) |
| Particle Size | 100 mesh pass | ≥98% |
cas: 9049-76-7 cas 62601-60-9 cas:63148-62-9
Custom grades available. Contact for full COA.
Installation & Handling Tips
Blend dry first – 0.3% HPMC into cement/sand. Add water slowly; full hydration takes 5 mins. Avoid lumps by pre-wetting aggregates if humid.
Warehouse at <25°C, RH <60%. Bags stack 4 high; pallets shrink-wrap for sea freight.
Pro tip: for hot climates, opt for higher gel-point grades. Cuts rework 20-30% per crew feedback.
Global Shipping & Procurement Logistics
FOB Tianjin/Xingang, 7-10 days to US West Coast. 20GP: 18MT, 40GP: 25MT. Incoterms flexible – DDP for small trials.
Container optimization: paper bags 25kg, PE inner liner. No settling, dry arrival guaranteed.
Risks? Port congestion. We buffer stock for USA peaks. Track via admin@tangzhicellulose.com.
What Procurement Pros Say
Mike R., Purchasing Manager, Texas Dry-Mix Plant: "Switched to Tang Zhi's CAS 9049-76-7 after viscosity issues elsewhere. Consistent 100,000 cps, mortar holds week-long open time. Shipped to Houston in 9 days. Solid partner."
Sarah L., Supply Chain Director, UK Pharma: "Needed EP-grade HPMC fast. Their lab matched our spec sheet perfectly. No ash deviations. REACH docs helped breeze through customs."
Carlos M., Operations Lead, Mexico Coatings: "Bulk order for paint thickener. Dissolved clean, no fish eyes. Lead time beat competitors by 2 weeks. Will reorder."
John K., Importer, California Food: "Food-grade HPMC for stabilizers. Kosher cert checked out. Pricing fair, samples free. Smooth transaction."
Frequently Asked Questions on CAS 9049-76-7 HPMC
What's the MOQ for bulk HPMC?
1MT trial, 5MT+ wholesale pricing. Samples 1-5kg free.
Does it meet USP/EP standards?
Yes for pharma grades. Full monographs available on request.
Lead time to USA?
Stock: 3-5 days production + 15-25 days sea. Air for urgent.
OEM/ODM possible?
Fully. Private label, custom viscosity. 10MT min for new formulas.
More questions? Email admin@tangzhicellulose.com.
Ready to Source CAS 9049-76-7 HPMC?
Cut risks, lock in quality. Get your quote today.
Tang Zhi Technology (Hebei) Co., Ltd. | Room 2308, Dongsheng Plaza 2, No. 508 Zhongshan East Road, Chang’an District, Shijiazhuang, Hebei, China
Written by Li Wei, Export Director with 12+ years in cellulose ethers. Tang Zhi Technology.
