EXO-3,6-EPOXY-1,2,3,6-TETRAHYDROPHTHALIC ANHYDRIDE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 6118-51-0 |
| Product name | EXO-3,6-EPOXY-1,2,3,6-TETRAHYDROPHTHALIC ANHYDRIDE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material 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 EXO-3,6-EPOXY-1,2,3,6-TETRAHYDROPHTHALIC ANHYDRIDE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk EXO-3,6-EPOXY-1,2,3,6-TETRAHYDROPHTHALIC ANHYDRIDE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of EXO-3,6-EPOXY-1,2,3,6-TETRAHYDROPHTHALIC ANHYDRIDE
| Industry | Application | Process |
|---|---|---|
| Chemicals | Epoxy resin curing agent | Used as an acid anhydride curing agent in epoxy resin systems to enhance thermal resistance and mechanical performance; suitable for casting, encapsulation, and composite molding |
| Electronics | Insulating material formulation | Applied in insulation encapsulation and potting processes for electronic components, providing excellent electrical insulation and resistance to humidity and heat |
| Composites | Resin matrix modification | Employed as a crosslinking agent in carbon fiber or glass fiber-reinforced composites to improve resin thermal resistance and dimensional stability |
| Coatings | Raw material for high-performance coatings | Used in the production of high-temperature- and corrosion-resistant industrial coatings; forms a dense crosslinked network via reaction with epoxy resins |
Manufacturing Quality Control of EXO-3,6-EPOXY-1,2,3,6-TETRAHYDROPHTHALIC ANHYDRIDE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC with UV detection | Quantifies main component by retention time and peak area against reference standard using UV absorbance. |
| Acid Number | Acid-base titration | Measures carboxylic acid equivalents via titration with standardized KOH solution in alcoholic medium. |
| Epoxy Content | Hydrochloric acid-acetone titration | Determines epoxy group concentration by ring-opening reaction with HCl in acetone, followed by back-titration. |
| Moisture Content | Karl Fischer titration | Quantifies water by coulometric or volumetric reaction with iodine generated in situ from KF reagent. |
| Color (APHA) | Visual comparison or spectrophotometry | Compares sample color to platinum-cobalt standards or measures absorbance at 430 nm in dilute solution. |
| Residue on Ignition | Gravimetric analysis | Measures non-volatile inorganic residue after high-temperature ashing and weighing. |
| Melting Point | Capillary melting point apparatus | Determines temperature range at which solid transitions to liquid using calibrated capillary tube method. |
| Organic Volatile Impurities | GC-FID | Separates and quantifies volatile organic impurities using gas chromatography with flame ionization detection. |
| Heavy Metals (as Pb) | ICP-OES | Measures total heavy metal content by plasma excitation and elemental emission spectroscopy. |
| Chloride Content | Potentiometric titration | Quantifies chloride ions via titration with silver nitrate using silver indicator electrode. |
| Particle Size Distribution | Laser diffraction | Determines size distribution of solid particles by analyzing angular scattering pattern of laser beam. |
| Specific Optical Rotation | Polarimetry | Measures rotation of plane-polarized light caused by chiral centers in solution at specified wavelength and temperature. |
Technical Specifications of EXO-3,6-EPOXY-1,2,3,6-TETRAHYDROPHTHALIC ANHYDRIDE
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% |
| Melting Point | 138–142°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Identification (NMR) | Conforms to structure |
| Identification (IR) | Conforms to structure |
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 EXO-3,6-EPOXY-1,2,3,6-TETRAHYDROPHTHALIC ANHYDRIDE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of EXO-3,6-EPOXY-1,2,3,6-TETRAHYDROPHTHALIC ANHYDRIDE
Safety Information of EXO-3,6-EPOXY-1,2,3,6-TETRAHYDROPHTHALIC ANHYDRIDE
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of EXO-3,6-EPOXY-1,2,3,6-TETRAHYDROPHTHALIC ANHYDRIDE
Industrial EXO-3,6-EPOXY-1,2,3,6-TETRAHYDROPHTHALIC 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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