Polyoxyethylene stearate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 9004-99-3 |
| Product name | Polyoxyethylene stearate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeIndustrial GradeMaterial GradeFood 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 Polyoxyethylene stearate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Polyoxyethylene stearate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Polyoxyethylene stearate
| Industry | Applications | Process |
|---|---|---|
| Personal Care | Emulsifier, thickener, emollient | Used in creams, lotions, shampoos, etc., to improve stability and skin feel |
| Pharmaceuticals | Drug carrier, sustained-release agent, ointment base | Employed as an excipient in formulations to control drug release rate |
| Textiles | Lubricant, antistatic agent, fabric softener | Applied in fiber processing to reduce friction and enhance fabric hand |
| Plastics | Release agent, internal lubricant | Incorporated into polymers to facilitate processing and demolding |
| Food Industry | Emulsifier, stabilizer (limited use) | Used in select food formulations to improve texture and stability |
| Agriculture | Pesticide adjuvant, emulsifying dispersant | Enhances dispersion and adhesion of active ingredients in pesticide formulations |
Manufacturing Quality Control of Polyoxyethylene stearate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Acid Value | Acid-Base Titration | Measures free carboxylic acid content by titration with standardized KOH solution in ethanol. |
| Saponification Value | Acid-Base Titration | Determines total ester content via alkaline hydrolysis followed by back-titration of excess KOH. |
| Hydroxyl Value | Acetylation Titration | Quantifies hydroxyl groups by acetylation with acetic anhydride, followed by titration of residual anhydride. |
| Iodine Value | Wijs Method | Measures unsaturation via addition of iodine monochloride to double bonds, followed by titration of unreacted iodine. |
| Water Content | Karl Fischer Titration | Electrochemical determination of water based on the stoichiometric reaction of iodine with sulfur dioxide and water in pyridine/methanol. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity under controlled lighting against standard reference samples. |
| Cloud Point | Cloud Point Determination | Temperature at which a 1% aqueous solution becomes turbid upon cooling, indicating micelle formation and phase separation. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) | Quantifies trace metal impurities (e.g., Pb, As, Cd) by atomic absorption of characteristic wavelengths after acid digestion. |
| Residue on Ignition | Gravimetric Analysis | Measures inorganic ash content by high-temperature incineration and weighing of non-volatile residue. |
| Average Molecular Weight | Gel Permeation Chromatography (GPC) | Estimates molecular weight distribution by separation based on hydrodynamic volume in a porous column matrix. |
| pH (1% aqueous solution) | pH Potentiometry | Measures hydrogen ion activity using calibrated glass electrode in a standardized aqueous dispersion. |
| Microbial Limits | Membrane Filtration | Quantifies viable aerobic microorganisms by filtration, membrane transfer to nutrient agar, and colony enumeration after incubation. |
Technical Specifications of Polyoxyethylene stearate
| Test Item | Specification |
|---|---|
| Appearance | White to off-white waxy solid |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 42–48°C |
| Acid Value (mg KOH/g) | <=2.0 |
| Total Impurities | <=1.5% |
| Heavy Metals | <=10 ppm |
| Solubility | Freely soluble in chloroform and hot ethanol; practically insoluble in water |
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 Polyoxyethylene stearate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of Polyoxyethylene stearate
Industrial Polyoxyethylene stearate 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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