1,6,7,12-Tetrachloroperylene tetracarboxylic acid dianhydride Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 156028-26-1 |
| Product name | 1,6,7,12-Tetrachloroperylene tetracarboxylic acid 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 156028-26-1
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 156028-26-1 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 156028-26-1
| Industry | Application | Process |
|---|---|---|
| Chemicals | Synthesis of high-performance organic pigment intermediates | Acylation and condensation reactions |
| Electronic Materials | Preparation of high-performance organic semiconductor materials | Solvothermal synthesis and vacuum distillation purification |
| Polymer Materials | Monomer or modifier for high-temperature-resistant polymers | Melt condensation polymerization and interfacial condensation polymerization |
| Printing Inks | Production of lightfast ink pigments | High-temperature recrystallization and surface coating treatment |
| Optoelectronic Materials | Functional layer material for organic light-emitting diodes (OLEDs) | Solution spin-coating and vacuum deposition |
Manufacturing Quality Control of 156028-26-1
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Perylene Tetracarboxylic Dianhydride Content) | HPLC-UV | Quantitative determination using reversed-phase HPLC with UV detection at ~290 nm, based on peak area comparison against certified reference standard. |
| Residual Solvents (e.g., DMF, chlorobenzene) | GC-FID | Separation and quantification of volatile organic solvents by gas chromatography with flame ionization detection, using internal standard calibration. |
| Heavy Metals (Pb, Cd, Cr, Hg, As) | ICP-MS | Multi-element quantification of trace metals after acid digestion, utilizing inductively coupled plasma mass spectrometry for sub-ppt sensitivity. |
| Moisture Content | Karl Fischer Titration (Coulometric) | Electrochemical titration measuring water content via iodine generation and stoichiometric reaction with water in anhydrous methanol-based medium. |
| Chloride Impurity | Ion Chromatography (IC) | Separation and quantification of chloride ions using suppressed conductivity detection after anion exchange column separation. |
| Particle Size Distribution | Laser Diffraction | Determination of particle size distribution in dry powder form by analyzing angular scattering pattern of laser light. |
| Melting Point | Differential Scanning Calorimetry (DSC) | Thermal analysis to determine onset and range of endothermic melting transition under controlled heating rate. |
| Residual Catalyst (e.g., Fe, Cu) | ICP-OES | Quantification of metal catalyst residues post-digestion using inductively coupled plasma optical emission spectroscopy at element-specific wavelengths. |
| Organic Impurities (Related Substances) | HPLC-UV/DAD | Identification and quantification of structurally related impurities (e.g., mono-/di-chlorinated perylenes, hydrolysis products) using gradient HPLC with diode array detection. |
| Bulk Density | ASTM D1895 Method A (Tapped Density) | Measurement of tapped density via standardized mechanical tapping of a graduated cylinder containing the powder sample. |
| pH of Aqueous Slurry | pH Meter (Slurry Method) | Determination of surface acidity/basicity by measuring pH of 10% w/v suspension in deionized water after equilibration. |
| Ash Content | Gravimetric Analysis (Ignition at 550°C) | Residue mass after high-temperature incineration to oxidize organic matter, reported as % weight loss relative to original sample. |
| Color (APHA) | Visual Comparison or Spectrophotometric Measurement | Quantitative assessment of yellowish discoloration using APHA scale via spectrophotometric measurement at 430 nm in solution (e.g., in chloroform). |
Technical Specifications of 156028-26-1
| Test Item | Specification |
|---|---|
| Appearance | Red solid |
| Purity | >=98.5% (by NMR) |
| Melting Point | 285–290 °C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Identification (IR) | Consistent with 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 156028-26-1
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 156028-26-1
Packaging of 156028-26-1
Industrial 156028-26-1 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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