Bicyclo[2.2.2]oct-7-ene-2,3,5,6-tetracarboxylic acid dianhydride Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1719-83-1 |
| Product name | Bicyclo[2.2.2]oct-7-ene-2,3,5,6-tetracarboxylic acid 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) |
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Documents We Provide for 1719-83-1
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1719-83-1 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1719-83-1
| Industry | Application | Process |
|---|---|---|
| Chemical | Intermediate for synthesizing high-performance polymers | Reacted with diamine compounds via cycloaddition to produce polyimides |
| Electronics | Preparation of high-heat-resistant insulating materials | Condensed with diamine monomers to form polyimide films or coatings |
| Materials Science | Synthesis of novel functional materials | Used as a crosslinker or structural unit in the preparation of specialty resins and composites |
| Aerospace | Manufacture of high-temperature-resistant components | Employed in producing polyimide-based composites exhibiting excellent thermal stability and mechanical properties |
Manufacturing Quality Control of 1719-83-1
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification using reverse-phase HPLC with UV detection at 220–230 nm, calibrated against certified reference standard. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration measuring water content via iodine-sulfur dioxide reaction in anhydrous methanol-based solvent. |
| Residue on Ignition | Gravimetric Analysis | Determination of inorganic ash content by high-temperature incineration followed by weighing of residual solids. |
| Heavy Metals (Pb, Cd, Cr, Hg, As) | ICP-MS | Multi-element quantification after acid digestion, based on mass-to-charge ratio detection with isotopic resolution. |
| Chloride Impurity | Ion Chromatography (IC) | Separation and quantification of chloride anions using suppressed conductivity detection after anion-exchange column separation. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition determination by observing solid-to-liquid phase change under controlled heating rate. |
| Organic Volatile Impurities | GC-FID | Detection and quantification of residual solvents using gas chromatography with flame ionization detection. |
| Acid Number | Potentiometric Titration | Determination of reactive anhydride groups via hydrolysis followed by titration with standardized KOH solution and endpoint detection by pH electrode. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry powder size distribution based on angular scattering intensity of laser light through dispersed sample. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Assessment of yellowness index or APHA color number using spectrophotometric measurement at 455 nm or visual comparison to platinum-cobalt standards. |
Technical Specifications of 1719-83-1
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 225–230 °C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Residue on Ignition | <=0.1% |
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 1719-83-1
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1719-83-1
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Industrial 1719-83-1 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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