Hydroxypropyl cellulose Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 9004-64-2 |
| Product name | Hydroxypropyl cellulose |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeIndustrial GradeFood GradeCosmetic Grade |
| Packaging | 25KG/bag500KG/bag1000KG/bag |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
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Documents We Provide for Hydroxypropyl cellulose
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Hydroxypropyl cellulose Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Hydroxypropyl cellulose
| Industry | Application | Process |
|---|---|---|
| Construction Materials | As a thickener and water retention agent | Incorporated into cement paste or mortar to enhance workability |
| Pharmaceuticals | As a binder and disintegrant in tablets | Added during wet granulation to improve granule strength |
| Food | As a stabilizer and thickener | Added to beverages and condiments to improve mouthfeel and texture |
| Cosmetics | As an emulsifier and thickener | Used in emulsions and creams to enhance stability |
| Paper Manufacturing | As a binder in paper coatings | Applied in coating processes to improve surface properties of paper |
| Paints & Coatings | As a leveling agent and thickener | Incorporated into coatings to adjust viscosity and leveling performance |
| Ceramics | As a binder in glazes | Used in ceramic glaze preparation to improve adhesion |
| Medical Dressings | As a moisturizing agent in wound dressings | Used in sterile dressings to maintain a moist wound environment |
Manufacturing Quality Control of Hydroxypropyl cellulose
| Test Item | Common Test Methods | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Take an appropriate amount of sample and place it on a white background. Observe its color, appearance (usually white to off-white powder), and presence of foreign matter under natural or standard lighting conditions. |
| Identification | Infrared Spectrophotometry (IR) | Prepare a KBr pellet of the sample, record its infrared absorption spectrum, and compare with the reference spectrum of hydroxypropyl cellulose. Major characteristic peaks (e.g., C–O–C, –OH functional groups) should match. |
| Viscosity | Rotational Viscometer Method / Ubbelohde Viscometer Method | Prepare an aqueous solution of specified concentration (e.g., 2% w/v), and measure the dynamic or kinematic viscosity at a specified temperature (usually 20 °C) to characterize molecular weight and product specifications. |
| Loss on Drying | Loss on Drying Method | Weigh the sample into a pre-weighed weighing bottle, dry at 105 °C to constant weight, and calculate the percentage weight loss, which reflects the moisture and volatile content. |
| Residue on Ignition | High-Temperature Ignition Method | After charring the sample, ignite it in a muffle furnace at 700–800 °C until constant weight. Determine the residual inorganic impurities, usually reported as sulfate ash. |
| pH Value | pH Meter Method | Prepare an aqueous solution of specified concentration (e.g., 2% w/v), and measure its pH at room temperature using a calibrated pH meter. The typical range is 5.0–8.0. |
| Hydroxypropoxy Content | Gas Chromatography (GC) or Volumetric Method | Hydroxypropoxy groups are cleaved via alkaline catalysis to produce isopropanol, which is quantified by gas chromatography; or acetylated and titrated to determine the degree of hydroxypropyl substitution (typically 4–32%). |
| Heavy Metals | Thioacetamide Colorimetric Method or ICP-MS | Process the sample according to pharmacopoeia methods, add thioacetamide for color development, and compare with standard lead solution; or use Inductively Coupled Plasma-Mass Spectrometry (ICP-MS) for trace metal quantification. |
| Microbial Limits | Microbial Culture Method | Perform total aerobic microbial count, total combined mold and yeast count, and test for specified microorganisms (e.g., Escherichia coli, Salmonella) according to the Chinese Pharmacopoeia or relevant standards. |
| Solution Clarity and Color | Visual Turbidity/Color Comparison Method | Prepare a solution of specified concentration and compare it visually with standard turbidity or color reference solutions to assess clarity and absence of abnormal discoloration. |
Technical Specifications of Hydroxypropyl cellulose
| Test Item | Specification |
|---|---|
| Appearance | White to off-white solid |
| Purity | >=98.0% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Residue on Ignition | <=1.0% |
| Heavy Metals | <=20 ppm |
| Solubility | Freely soluble in water; insoluble in ethanol and chloroform |
| Color (APHA/Pt-Co) | <=100 |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
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Download COA of Hydroxypropyl cellulose
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of Hydroxypropyl cellulose
Industrial Hydroxypropyl cellulose Procurement FAQ
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.
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