Diethylene glycol Bulk Supply for Industrial Use
China Factory Direct
 |
|
| CAS number | 111-46-6 |
| Product name | Diethylene glycol |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeMaterial GradeElectronic GradeSpecialty GradeCosmetic GradeFood 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) |
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 Diethylene glycol
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Diethylene glycol Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Diethylene glycol
| Industry | Application | Process |
|---|---|---|
| Chemical | Solvent | Used to dissolve resins, dyes, oils, and other organic substances |
| Chemical | Synthesis intermediate | Participates in synthesis reactions for polyester resins, unsaturated polyesters, and plasticizers |
| Textile | Wetting agent and antistatic agent | Added during fiber spinning and fabric processing to improve fiber lubricity and reduce static charge accumulation |
| Pharmaceutical | Pharmaceutical excipient | Used as a solvent or stabilizer in the formulation of liquid dosage forms and ointments |
| Coatings | Film-forming aid | Added to water-based coatings to improve film leveling and adhesion |
| Refrigeration | Antifreeze component | Mixed with other alcohols for use in low-temperature circulating systems to prevent freezing |
| Electronics | Cleaning agent | Used for precision cleaning of electronic components to remove oils and particulate contaminants |
| Personal care | Moisturizer in cosmetics | Added to skincare products to retain moisture and enhance skin feel |
Manufacturing Quality Control of Diethylene glycol
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Assay | Gas Chromatography (GC) | Uses capillary column gas chromatography with a flame ionization detector (FID), and internal or external standard method to quantify diethylene glycol content, offering high sensitivity and excellent reproducibility. |
| High-Performance Liquid Chromatography (HPLC) | Suitable for thermally unstable samples; uses refractive index detection (RID) or evaporative light scattering detection (ELSD) with hydrophilic chromatographic columns for separation and quantification. | |
| Purity Analysis | Gas Chromatography-Mass Spectrometry (GC-MS) | Combines the separation capability of GC with the qualitative power of MS, enabling accurate identification and quantification of diethylene glycol and its impurities (e.g., ethylene glycol, triethylene glycol). |
| Moisture Content | Karl Fischer Titration | Determines trace water content precisely by measuring the reaction of iodine and sulfur dioxide with water in a methanol/ethylene glycol system, using coulometric or volumetric methods. |
| Acid Value | Acid-Base Titration | The sample is dissolved in neutral ethanol and titrated with standardized sodium hydroxide solution. The acid value (mg KOH/g) is calculated to assess the level of acidic impurities. |
| Color | Platinum-Cobalt Colorimetric Method (APHA Color Scale) | Compares the sample visually or with a colorimeter against standard platinum-cobalt color solutions to evaluate the visual purity of the product. |
| Density | Densitometer or Oscillating U-tube Densimeter | Measures liquid density at a specified temperature (typically 20°C), used for preliminary assessment of purity and batch consistency. |
| Refractive Index | Refractometry | Determines the refractive index at 20°C using an Abbe refractometer, serving as a physical constant for compound identification and purity assessment. |
| Impurities (e.g., Ethylene Glycol, Triethylene Glycol) | Gas Chromatography (GC) | Achieves effective separation and quantification of diethylene glycol from homologous compounds such as ethylene glycol and triethylene glycol under optimized chromatographic conditions. |
| Residual Solvents | Headspace Gas Chromatography (HS-GC) | The sample is heated in a sealed vial to reach equilibrium; the headspace gas is then injected for analysis to detect residual organic solvents (e.g., methanol, ethanol). |
Technical Specifications of Diethylene glycol
| Test Item | Specification |
|---|---|
| Chroma | ≤10 |
| Water Content | ≤0.2% |
| Purity | ≥99% |
| Ethylene glycol | ≤0.5% |
| Triethylene glycol | ≤1% |
| Acidity | ≤0.001% |
| Chloride（mg/kg） | - |
| Iron（mg/kg） | ≤0.001% |
| Ash（mg/kg） | ≤10 |
| Density (20°C) | 1.1155-1.1176（g/cm3） |
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 Diethylene glycol
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Diethylene glycol
Packaging of Diethylene glycol
Industrial Diethylene glycol 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