OCTAETHYLENE GLYCOL MONOMETHYL ETHER Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 25990-96-9 |
| Product name | OCTAETHYLENE GLYCOL MONOMETHYL ETHER |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial Grade |
| Packaging | 25L/drum |
| 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 OCTAETHYLENE GLYCOL MONOMETHYL ETHER
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk OCTAETHYLENE GLYCOL MONOMETHYL ETHER Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of OCTAETHYLENE GLYCOL MONOMETHYL ETHER
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Industry | Drug carrier and modifier | Used as a PEGylation reagent to conjugate with drug molecules, enhancing solubility, stability, and plasma half-life. |
| Pharmaceutical Industry | Protein/peptide modification | Coupled to proteins or peptides via terminal functional groups to reduce immunogenicity and improve pharmacokinetic properties. |
| Chemical Industry | Raw material for surfactant synthesis | Employed in the synthesis of nonionic surfactants, leveraging the hydrophilicity of the polyethylene glycol chain and the stability of the terminal methoxy group. |
| Chemical Industry | Preparation of functional polymers | Used as a macromonomer in polymerization reactions to produce high-performance polymers such as polyesters and polyurethanes, imparting flexibility and hydrophilicity. |
| Biotechnology | Biosensors and diagnostic reagents | Immobilized on sensor surfaces or microparticles as a spacer arm to link biomolecules (e.g., antibodies, DNA), minimizing nonspecific adsorption. |
| Advanced Materials | Hydrogel synthesis | Participates in crosslinking reactions to form hydrogels; its hydrophilic long-chain structure modulates swelling behavior and mechanical strength. |
| Electronics Industry | Photoresist additive | Added to photoresist formulations to improve coating uniformity and surface smoothness, leveraging its amphiphilic character. |
Manufacturing Quality Control of OCTAETHYLENE GLYCOL MONOMETHYL ETHER
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Assessment of physical state and clarity under controlled lighting and against white background. |
| Color | Hazen Color Scale (APHA) | Comparison of sample color to platinum-cobalt standard solutions using visual or spectrophotometric measurement. |
| Acid Number | Acid-Base Titration with KOH in ethanol | Neutralization of acidic impurities by standardized potassium hydroxide solution using phenolphthalein indicator. |
| Hydroxyl Value | Acetylation Titration | Esterification of hydroxyl groups with acetic anhydride followed by back-titration of unreacted anhydride. |
| Water Content | Karl Fischer Titration | Quantitative determination of water via iodine-sulfur dioxide redox reaction in pyridine-methanol medium. |
| Average Molecular Weight | Gel Permeation Chromatography (GPC) | Separation by hydrodynamic volume in solution and calibration against polystyrene standards. |
| Purity (Main Component) | Gas Chromatography (GC) with FID | Separation and quantification based on retention time and peak area relative to internal standard. |
| Residue on Ignition | Gravimetric Analysis | Weighing of non-volatile residue remaining after controlled high-temperature ashing. |
| Heavy Metals | ICP-OES | Multi-element detection via atomic emission from plasma-excited sample aerosol. |
| Chloride Content | Ion Chromatography (IC) | Separation and quantification of chloride anions using conductivity detection after ion exchange. |
| Refractive Index | Refractometry | Measurement of light bending angle at air-sample interface at specified temperature and wavelength. |
| pH (10% aqueous solution) | Potentiometric pH Measurement | Determination using calibrated glass electrode in aqueous solution at 25 C. |
Technical Specifications of OCTAETHYLENE GLYCOL MONOMETHYL ETHER
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.0% (GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.458–1.462 |
| Relative Density (20°C/25°C) | 1.015–1.025 g/cm³ |
| Acid Value (mg KOH/g) | <=0.5 |
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 OCTAETHYLENE GLYCOL MONOMETHYL ETHER
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of OCTAETHYLENE GLYCOL MONOMETHYL ETHER
Safety Information of OCTAETHYLENE GLYCOL MONOMETHYL ETHER
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of OCTAETHYLENE GLYCOL MONOMETHYL ETHER
Industrial OCTAETHYLENE GLYCOL MONOMETHYL ETHER 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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