China Factory Direct
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| CAS number | 17557-23-2 |
| Product name | Neopentyl glycol diglycidyl ether |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeSpecialty GradeElectronic GradeMaterial Grade |
| Packaging | 25L/drum200L/drum1000L/IBC |
| 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Coatings | Used as a crosslinker for epoxy resins in high-performance coating formulations | Reacts with epoxy resins to form a three-dimensional network structure, enhancing chemical resistance and mechanical properties of the coating |
| Printing Inks | Improves ink adhesion and abrasion resistance | Mixed into the resin system to enhance ink adhesion and durability on substrates |
| Electronic Encapsulation | Used in epoxy-based encapsulation materials to improve electrical insulation and thermal stability | Acts as an active diluent for epoxy resins, improving processability while enhancing physical properties of the final product |
| Medical Devices | Used in the production of medical-grade polymers, such as catheters and seals | Copolymerized with other monomers to improve biocompatibility and mechanical strength of the material |
| Adhesives | Enhances flexibility and heat resistance of adhesives | Participates in the adhesive curing process as a crosslinker to improve bond performance |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Assessment of physical state and color by direct observation under controlled lighting. |
| Color (APHA) | Spectrophotometric Measurement | Comparison of sample absorbance at 430 nm against platinum-cobalt standard solutions. |
| Density | Oscillating U-tube Densitometry | Measurement of sample density based on resonant frequency shift of a vibrating U-shaped tube filled with sample. |
| Refractive Index | Refractometry | Determination of refractive index using total internal reflection principle with sodium D-line light source. |
| Acid Value | Acid-Base Titration | Neutralization of acidic impurities with standardized potassium hydroxide solution using phenolphthalein indicator. |
| Epoxy Content | Hydrochloric Acid-Acetone Titration | Reaction of epoxy groups with HCl in acetone medium followed by back-titration with NaOH. |
| Water Content | Karl Fischer Coulometric Titration | Electrochemical generation and stoichiometric reaction of iodine with water in anhydrous methanol-based reagent. |
| Residue on Ignition | Gravimetric Analysis | Weighing of non-volatile residue remaining after high-temperature ashing in a muffle furnace. |
| Chloride Content | Potentiometric Titration | Titration with silver nitrate using silver indicator electrode to detect endpoint via potential change. |
| Heavy Metals (as Pb) | ICP-OES | Quantification of trace metals by measuring characteristic atomic emission intensities after plasma atomization and excitation. |
| Gas Chromatographic Purity | Gas Chromatography (FID) | Separation and quantification of components based on volatility and retention time using flame ionization detection. |
| Viscosity | Rotational Viscometry | Measurement of resistance to flow under controlled shear rate using rotating spindle in thermostated sample. |
| Test Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.452–1.458 |
| Relative Density (20°C/25°C) | 1.07–1.09 g/cm³ |
| Acid Value (mg KOH/g) | <=0.5 |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
| Pictograms | ![]() |
| Signal Word | Warning |
| Safety Data Sheet | |
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.