3,3',4,4'-Benzophenonetetracarboxylic dianhydride Bulk Supply for Industrial Use
China Factory Direct
 |
|
| CAS number | 2421-28-5 |
| Product name | 3,3',4,4'-Benzophenonetetracarboxylic dianhydride |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty 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) |
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 3,3',4,4'-Benzophenonetetracarboxylic dianhydride
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3,3',4,4'-Benzophenonetetracarboxylic dianhydride Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3,3',4,4'-Benzophenonetetracarboxylic dianhydride
| Industry | Application | Process |
|---|---|---|
| Electronics | Manufacturing high-performance polymers | Used to synthesize polyimide resins, enhancing thermal stability and mechanical properties |
| Advanced Materials | Preparation of composites | Employed as a precursor in reactions with amines or phenolic resins to produce polyimides for performance enhancement |
| Aerospace | Manufacturing high-temperature structural components | Applied in the production of composite components exhibiting high thermal resistance and strength |
| Electrical Engineering | Production of insulating materials | Used to manufacture materials with excellent high-temperature resistance and electrical insulation properties |
| Semiconductor Industry | Preparation of encapsulation materials | Applied in manufacturing semiconductor device encapsulants to improve thermal resistance and reliability |
Manufacturing Quality Control of 3,3',4,4'-Benzophenonetetracarboxylic dianhydride
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | High Performance Liquid Chromatography (HPLC) | Quantitative determination using UV detection and external standard calibration against certified reference material. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration measuring water content based on iodine-sulfur dioxide reaction stoichiometry. |
| Residue on Ignition | Gravimetric Analysis | Mass loss upon high-temperature ashing measured as non-volatile inorganic residue. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals after acid digestion by measuring atomic absorption at characteristic wavelengths. |
| Chloride Impurity | Ion Chromatography (IC) | Separation and quantification of chloride ions using conductivity detection after anion exchange. |
| Melting Point | Capillary Melting Point Determination | Thermal transition observed as the temperature range at which solid transforms to liquid under controlled heating. |
| Acid Number | Acid-Base Titration | Neutralization of acidic functional groups with standardized KOH solution using phenolphthalein indicator. |
| Solubility in Acetone | Visual Inspection and Filtration | Assessment of complete dissolution in specified acetone volume at defined temperature followed by visual clarity check. |
| Particle Size Distribution | Laser Diffraction | Measurement of scattered light intensity from suspended particles to calculate size distribution by Mie theory. |
| Color (APHA) | UV-Vis Spectrophotometry | Comparison of sample solution absorbance at 430 nm against APHA platinum-cobalt color standards. |
| Organic Volatile Impurities | Gas Chromatography (GC-FID) | Separation and quantification of residual solvents using flame ionization detection with internal standard. |
| Sulfated Ash | Gravimetric Analysis | Weight of inorganic residue after sulfuric acid treatment and high-temperature incineration. |
Technical Specifications of 3,3',4,4'-Benzophenonetetracarboxylic dianhydride
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Melting Point | 228–232°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Residue on Ignition | <=0.1% |
| 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
|
|
Download COA of 3,3',4,4'-Benzophenonetetracarboxylic dianhydride
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 3,3',4,4'-Benzophenonetetracarboxylic dianhydride
Safety Information of 3,3',4,4'-Benzophenonetetracarboxylic dianhydride
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 3,3',4,4'-Benzophenonetetracarboxylic dianhydride
Industrial 3,3',4,4'-Benzophenonetetracarboxylic 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.
Use Bulk
Supply Factory
Direct ISO 9001
Certified Samples
Available Stable
Supply