Ethylene glycol bis(4-trimellitate anhydride) Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1732-96-3 |
| Product name | Ethylene glycol bis(4-trimellitate anhydride) |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeIndustrial GradeElectronic 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) |
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Documents We Provide for Ethylene glycol bis(4-trimellitate anhydride)
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Ethylene glycol bis(4-trimellitate anhydride) Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Ethylene glycol bis(4-trimellitate anhydride)
| Industry | Application | Process |
|---|---|---|
| Paints & Coatings | Production of heat-resistant coatings | Acts as a curing agent reacting with epoxy resins to enhance coating heat resistance and chemical stability |
| Electronics | Preparation of encapsulation materials | Used in manufacturing high-performance electronic component encapsulants to improve mechanical strength and thermal stability |
| Composites | Manufacturing of composite materials | Functions as a modifier or crosslinker in resin matrix synthesis to improve overall composite performance |
| Adhesives | Production of high-performance adhesives | Acts as a hardener in adhesive formulations to significantly increase bond strength and durability |
| Printing Inks | Enhancement of ink performance | Incorporated into ink formulations to improve drying speed and substrate adhesion |
| Medical Devices | Coating of medical devices | Applied onto medical device surfaces via specific coating processes to form a protective layer, extending device service life |
Manufacturing Quality Control of Ethylene glycol bis(4-trimellitate anhydride)
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC with UV detection | Quantification based on peak area comparison against a certified reference standard using reversed-phase chromatography and UV absorbance at 220-230 nm. |
| Acid Value | Acid-base titration with KOH in isopropanol | Neutralization of acidic functional groups by standardized potassium hydroxide solution; calculated as mg KOH per g sample. |
| Moisture Content | Karl Fischer titration | Electrochemical determination of water content via iodine-sulfur dioxide reaction in anhydrous methanol-based solvent. |
| Color (APHA) | Visual or spectrophotometric comparison | Measurement of yellowness intensity by matching sample color to APHA platinum-cobalt standards or measuring absorbance at 455 nm. |
| Residue on Ignition | Gravimetric analysis | Determination of non-volatile inorganic impurities by high-temperature ashing followed by weighing of residual ash. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification of trace metals after acid digestion, based on element-specific atomic emission intensities. |
| Chloride Content | Ion chromatography | Separation and quantification of chloride anions using suppressed conductivity detection after aqueous extraction. |
| Melting Point | Capillary melting point apparatus | Thermal transition observation during controlled heating; recorded as onset and clear point range. |
| Organic Volatile Impurities | Gas chromatography (GC-FID) | Separation and detection of residual solvents and low-boiling impurities using flame ionization detection. |
| Particle Size Distribution | Laser diffraction | Analysis of scattered laser light intensity to determine size distribution of solid particles in suspension. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light induced by chiral centers in solution at specified wavelength and temperature. |
| Bulk Density | Gravimetric volumetric method | Mass of material divided by its freely settled volume in a standardized cylinder under controlled conditions. |
Technical Specifications of Ethylene glycol bis(4-trimellitate anhydride)
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.5% (HPLC) |
| Water Content (KF) | <=0.5% |
| Melting Point | 120–124°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Acid Value (mg KOH/g) | 380–420 mg KOH/g |
| Identification (NMR) | Conforms to reference spectrum |
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 Ethylene glycol bis(4-trimellitate anhydride)
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Ethylene glycol bis(4-trimellitate anhydride)
Safety Information of Ethylene glycol bis(4-trimellitate anhydride)
| Pictograms |   |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of Ethylene glycol bis(4-trimellitate anhydride)
Industrial Ethylene glycol bis(4-trimellitate anhydride) 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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