Methoxypolyethylene glycols Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 9004-74-4 |
| Product name | Methoxypolyethylene glycols |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeIndustrial GradeSpecialty GradeMaterial GradeElectronic GradeCosmetic 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 Methoxypolyethylene glycols
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Methoxypolyethylene glycols Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Methoxypolyethylene glycols
| Industry | Application | Process |
|---|---|---|
| Personal Care & Cosmetics | Solvent, humectant | Added directly as a formulation component |
| Pharmaceuticals | Drug carrier, solvent | Used as an excipient in drug manufacturing or incorporated into active pharmaceutical ingredients via chemical synthesis |
| Printing Inks | Solvent | Mixed with pigments and other additives to formulate inks |
| Cleaning Products | Humectant, solvent | Blended with surfactants and other cleaning agents to enhance cleaning performance |
| Agriculture | Pesticide adjuvant | Incorporated into pesticide formulations to improve efficacy or physical properties |
| Electronics | Cleaning agent | Used to remove residues from precision electronic components such as printed circuit boards |
| Textiles | Dyeing auxiliary | Applied during dyeing to promote dye affinity for fibers |
| Coatings | Dispersant, wetting agent | Incorporated into coating formulations to improve film uniformity and substrate adhesion |
Manufacturing Quality Control of Methoxypolyethylene glycols
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Assessment of physical state and color under controlled lighting conditions |
| Odor | Sensory Evaluation | Trained personnel evaluate characteristic odor to detect off-odors or degradation products |
| Assay (PEG MME content) | Acid-catalyzed Hydrolysis followed by Titration | Hydrolysis releases methanol, which is quantified by iodometric titration |
| Average Molecular Weight | Gel Permeation Chromatography (GPC) | Separation by hydrodynamic volume using calibrated polystyrene standards |
| Hydroxyl Value | Acetic Anhydride Acetylation Titration | Esterification of terminal OH groups followed by back-titration of unreacted anhydride |
| Acid Number | Potentiometric Titration with KOH | Neutralization of acidic impurities using standardized alcoholic KOH solution |
| Water Content | Karl Fischer Coulometric Titration | Electrochemical generation of iodine to react stoichiometrically with water |
| Residue on Ignition | Gravimetric Analysis | Weighing of non-volatile residue after high-temperature ashing in a muffle furnace |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of metal ions via absorption of element-specific UV-Vis radiation |
| Chloride Content | Potentiometric Titration with AgNO3 | Precipitation of chloride as AgCl and endpoint detection via silver ion selective electrode |
| Ethylene Oxide Residues | Gas Chromatography (GC) with FID | Headspace GC separation and flame ionization detection of residual EO monomer |
| Microbial Limits | Membrane Filtration and Plate Count | Enumeration of viable aerobic microorganisms on soybean-casein digest agar |
Technical Specifications of Methoxypolyethylene glycols
| Test Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Acid Value (mg KOH/g) | <=1.0 |
| Color (APHA/Pt-Co) | <=30 |
| Odor | Characteristic mild odor |
| Refractive Index (n20/D) | 1.450–1.460 |
| Relative Density (20°C/25°C) | 1.090–1.110 g/cm³ |
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 Methoxypolyethylene glycols
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Methoxypolyethylene glycols
Packaging of Methoxypolyethylene glycols
Industrial Methoxypolyethylene glycols 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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