Diethylene glycol dibenzoate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 120-55-8 |
| Product name | Diethylene glycol dibenzoate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeMaterial GradeSpecialty 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) |
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Documents We Provide for Diethylene glycol dibenzoate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Diethylene glycol dibenzoate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Diethylene glycol dibenzoate
| Industry | Application | Process |
|---|---|---|
| Plastics Industry | Plasticizer for polyvinyl chloride (PVC) | Used as a primary or secondary plasticizer; blended with PVC resin and processed via melt extrusion or calendering to enhance flexibility, processability, and low-temperature performance |
| Coatings Industry | Plasticizer and film-forming aid for nitrocellulose and alkyd resin coatings | Incorporated during solvent-borne coating formulation to lower minimum film formation temperature and improve film toughness and adhesion |
| Adhesives Industry | Plasticizing and softening component for pressure-sensitive adhesives and hot-melt adhesives | Blended with elastomers such as natural rubber, SIS, or SBS to adjust initial tack, holding power, and low-temperature resistance |
| Inks Industry | Leveling agent and plasticizer for flexographic and gravure inks | Added during ink grinding and dispersion to improve pigment wetting, reduce system viscosity, and enhance printability |
| Synthetic Rubber Processing | Processing aid for styrene-butadiene rubber (SBR) and polybutadiene rubber (BR) | Added during internal mixing or open-mill processing to reduce Mooney viscosity and improve mixing uniformity and extrusion stability |
Manufacturing Quality Control of Diethylene glycol dibenzoate
| Test Item | Common Test Methods | Method Description |
|---|---|---|
| Appearance and Color | Visual Inspection / Spectrophotometry | Visually examine whether the sample is a colorless to slightly yellow transparent liquid, or use a UV-Visible spectrophotometer to measure absorbance in the visible range to evaluate whether the color meets specifications. |
| Purity (Main Component Content) | Gas Chromatography (GC) | Separate and quantify diethylene glycol dibenzoate using a capillary column (e.g., DB-5 or HP-5) and an FID detector. Calculate content using internal or external standard method, typically requiring ≥98.0%. |
| Moisture Content | Karl Fischer Titration | Use Karl Fischer reagent (composed of iodine, sulfur dioxide, pyridine, and methanol) to react quantitatively with water. Determine trace moisture content by potentiometric or coulometric methods, with moisture controlled ≤0.1%. |
| Acid Value (Free Acid Content) | Acid-Base Titration | Titrate free benzoic acid or other acidic impurities in the sample with a standardized sodium hydroxide solution, using phenolphthalein as indicator. Calculate acid value (mg KOH/g), typically requiring ≤0.5. |
| Melting Point / Freezing Point | Melting Point Apparatus / Automatic Freezing Point Analyzer | Determine the sample's freezing point using a precision melting point apparatus (DEGDB freezing point is approximately -15°C to -10°C), used as an initial indicator of purity and presence of low-boiling impurities. |
| Heavy Metal Content | Atomic Absorption Spectroscopy (AAS) or ICP-MS | After ashing or acid digestion of the sample, determine heavy metal elements such as lead, cadmium, mercury, and arsenic using AAS or ICP-MS. Must comply with pharmaceutical or food-contact grade standards (e.g., ≤10 ppm). |
| Residual Solvents | Gas Chromatography-Mass Spectrometry (GC-MS) | Detect residual organic solvents such as ethanol, acetone, and toluene using headspace or direct injection combined with GC-MS, ensuring compliance with ICH Q3C guidelines on residual solvents. |
| UV Absorption Characteristics | UV-Visible Spectrophotometry (UV-Vis) | Scan the sample in the 200–400 nm wavelength range to identify characteristic absorption peaks (e.g., ~255 nm for the conjugated system of benzoate esters), assessing for impurities or degradation products. |
| Infrared Spectral Identification | Fourier Transform Infrared Spectroscopy (FTIR) | Obtain the infrared absorption spectrum of the sample and compare it with a reference spectrum to confirm the presence of characteristic functional groups such as ester carbonyl (1720 cm⁻¹) and ether bond (1100 cm⁻¹). |
| Thermal Stability (Weight Loss) | Thermogravimetric Analysis (TGA) | Heat the sample under nitrogen atmosphere (e.g., from 30°C to 300°C) and measure mass changes to evaluate thermal decomposition temperature and volatile impurities, ensuring no abnormal weight loss. |
| Chloride/Sulfate Impurities | Turbidimetry / Ion Chromatography | Treat the sample with silver nitrate or barium chloride, then detect Cl⁻ or SO₄²⁻ impurities by visual or instrumental turbidimetry; or use ion chromatography for quantitative analysis, controlling levels below ppm levels. |
Technical Specifications of Diethylene glycol dibenzoate
| 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) | 1.565–1.575 |
| Relative Density (20°C/25°C) | 1.145–1.155 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 Diethylene glycol dibenzoate
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NMR Spectra of Diethylene glycol dibenzoate
Packaging of Diethylene glycol dibenzoate
Industrial Diethylene glycol dibenzoate 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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