Dicyclohexyl-3,4,3',4'-tetracarboxylic dianhydride Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 122640-83-9 |
| Product name | Dicyclohexyl-3,4,3',4'-tetracarboxylic dianhydride |
| 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 Dicyclohexyl-3,4,3',4'-tetracarboxylic dianhydride
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Dicyclohexyl-3,4,3',4'-tetracarboxylic dianhydride Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Dicyclohexyl-3,4,3',4'-tetracarboxylic dianhydride
| Industry | Application | Process |
|---|---|---|
| Electronics Industry | Manufacturing high-performance insulating materials | Used as an epoxy resin curing agent to enhance thermal resistance and mechanical properties |
| Coatings Industry | Producing specialty coatings | Employed as a modifier in high-temperature-resistant and corrosion-resistant coating formulations |
| Composites | Enhancing composite material performance | Reacting with epoxy resins and other matrices to form crosslinked network structures, thereby improving mechanical properties |
| Aerospace | Component manufacturing for high-temperature environments | Utilized in the preparation of high-temperature-resistant adhesives or coatings to maintain reliable performance under extreme conditions |
| Electrical Engineering | Insulation layers and encapsulation materials | Added to polymers to improve electrical insulation performance while maintaining thermal stability |
| Chemical Synthesis | Intermediate | Participates in the synthesis of other organic compounds, such as certain functional polymeric materials |
Manufacturing Quality Control of Dicyclohexyl-3,4,3',4'-tetracarboxylic dianhydride
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification based on UV absorbance of analyte peak area relative to calibrated standard curve. |
| Related Substances | HPLC-UV | Separation and detection of impurities using reversed-phase HPLC with UV detection at specified wavelength. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration measuring water content via reaction of iodine with water in pyridine-methanol medium. |
| Residue on Ignition | Gravimetric Analysis | Mass of non-volatile inorganic residue after high-temperature ashing and cooling in desiccator. |
| Heavy Metals | ICP-OES | Multi-element quantification of metallic impurities by atomic emission intensity following acid digestion. |
| Chloride Impurity | Ion Chromatography | Separation and conductivity detection of chloride anions in aqueous extract. |
| Acid Number | Acid-Base Titration | Neutralization of acidic groups with standardized KOH solution using phenolphthalein or potentiometric endpoint. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed as temperature range where solid phase changes to liquid under controlled heating. |
| Organic Volatile Impurities | GC-FID | Separation and flame ionization detection of residual solvents in headspace or direct injection mode. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity to determine volume-based particle size distribution in suspension. |
| Bulk Density | Graduated Cylinder Method | Mass per unit volume measured by pouring sample into calibrated cylinder and tapping to settle. |
| Sulfated Ash | Gravimetric Analysis | Mass of residue after combustion with sulfuric acid pretreatment, followed by incineration and desiccation. |
Technical Specifications of Dicyclohexyl-3,4,3',4'-tetracarboxylic dianhydride
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Melting Point | 220-225°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.3% |
| Residue on Ignition | <=0.1% |
| Acid Value (mg KOH/g) | 480-500 mg KOH/g |
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 Dicyclohexyl-3,4,3',4'-tetracarboxylic dianhydride
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Dicyclohexyl-3,4,3',4'-tetracarboxylic dianhydride
Safety Information of Dicyclohexyl-3,4,3',4'-tetracarboxylic dianhydride
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of Dicyclohexyl-3,4,3',4'-tetracarboxylic dianhydride
Industrial Dicyclohexyl-3,4,3',4'-tetracarboxylic dianhydride 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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