Dipentaerythritol Bulk Supply for Industrial Use
China Factory Direct
 |
|
| CAS number | 126-58-9 |
| Product name | Dipentaerythritol |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeIndustrial 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) |
QUOTE TYPE
PACKAGING TYPE
TOTAL QUANTITY(KG)
PREFERRED SHIPPING METHOD
YOUR COMPANY
YOUR E-MAIL
Calculate Summary
Based on current marketvolatility and material availability.
Documents We Provide for Dipentaerythritol
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Dipentaerythritol Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Dipentaerythritol
| Industry | Application | Process |
|---|---|---|
| Paint & Coatings | Raw material for high-performance alkyd resins | Esterification with polycarboxylic acids to produce resins |
| Plastics | Polyol component for rigid polyurethane foams | Reaction with propylene oxide and/or ethylene oxide |
| Flame-Retardant Materials | Synthesis of pentaerythritol phosphate flame retardants | Esterification with phosphorus oxychloride or phosphoric acid derivatives |
| Lubricants | Synthesis of ester-based base oils | Esterification with fatty acids |
| Pharmaceutical Intermediates | Synthesis of antiviral or antibacterial compounds | Functional group modification and condensation reactions |
| Adhesives | High-functionality polyester polyols | Condensation polymerization with dicarboxylic acids |
Manufacturing Quality Control of Dipentaerythritol
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Place the sample on a white background and observe its color, physical state, and presence of impurities under natural light or standard illumination. Typically appears as a white crystalline powder. |
| Melting Point | Capillary Melting Point Method | Determine the melting temperature range using a melting point apparatus or capillary method to assess purity. The melting point of dipentaerythritol is generally between 260–265°C. |
| Assay (Purity) | High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase column (e.g., C18) with a UV detector (refractive index or ELSD preferred), and calculate the main component content using external standard or normalization methods. |
| Moisture Content | Karl Fischer Titration | Quantitatively determine water content in the sample using Karl Fischer reagent; suitable for trace moisture detection with high accuracy. |
| Residue on Ignition (Ash Content) | Gravimetric Method (High-Temperature Ignition) | Ignite the sample in a muffle furnace at approximately 800°C until constant weight is achieved, then weigh the residue and calculate the percentage of ash. |
| pH Value | pH Meter Measurement | Prepare an aqueous solution of the sample at a specified concentration (e.g., 1% w/v), and measure the pH using a calibrated pH meter. |
| Related Substances (Impurities) | High-Performance Liquid Chromatography (HPLC) | Similar to assay determination; identify and quantify structurally related impurities such as pentaerythritol and tripentaerythritol based on retention times. |
| Particle Size Distribution | Laser Diffraction Particle Analysis | Analyze particle size and distribution using a laser diffraction particle size analyzer on a sample suspension; affects solubility and processing performance. |
| Heavy Metal Content | Atomic Absorption Spectroscopy (AAS) or ICP-MS | After sample digestion, measure the levels of heavy metals such as lead, arsenic, cadmium, and mercury to ensure compliance with pharmaceutical or industrial safety standards. |
| Sulfated Ash | Sulfuric Acid Treatment Followed by Ignition | Treat the sample with sulfuric acid, char, then ignite at high temperature to determine residual sulfate content; used for quality control in specific industrial applications. |
Technical Specifications of Dipentaerythritol
| Test Item | Specification |
|---|---|
| Appearance | White to off-white powder |
| Assay of DI.PE | ≥90.0% |
| Assay of MO. PE | ≤3.0% |
| Assay of TRI. PE | ≤7.0% |
| Hydroxyl value | 38.0% ~ 40.0% |
| Color | ≤2 |
| Ash | ≤0.1% |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
|
|
Download COA of Dipentaerythritol
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Dipentaerythritol
Packaging of Dipentaerythritol
Industrial Dipentaerythritol 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.
Use Bulk
Supply Factory
Direct ISO 9001
Certified Samples
Available Stable
Supply