4-PHENYLETHYNYLPHTHALIC ANHYDRIDE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 119389-05-8 |
| Product name | 4-PHENYLETHYNYLPHTHALIC ANHYDRIDE |
| 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 4-PHENYLETHYNYLPHTHALIC ANHYDRIDE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-PHENYLETHYNYLPHTHALIC ANHYDRIDE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-PHENYLETHYNYLPHTHALIC ANHYDRIDE
| Industry | Application | Process |
|---|---|---|
| Chemical Synthesis | Organic synthesis intermediate | Used to prepare high-performance polymers and functional materials; serves as a monomer for constructing conjugated systems in coupling reactions |
| Materials Science | Modification of polymeric materials | Reacts with diamine compounds to form polyimides, enhancing thermal stability and mechanical properties |
| Optoelectronic Materials | Precursor for organic optoelectronic materials | Participates in the synthesis of compounds exhibiting photosensitivity or electroluminescence, applied in OLED and sensor manufacturing processes |
Manufacturing Quality Control of 4-PHENYLETHYNYLPHTHALIC ANHYDRIDE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification using reverse-phase HPLC with UV detection at 254 nm, calibrated against certified reference standard. |
| Identity Confirmation | FTIR Spectroscopy | Comparison of sample infrared absorption spectrum to reference spectrum, focusing on characteristic anhydride C=O and alkyne C≡C stretches. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid, indicating crystalline purity and identity. |
| Loss on Drying | Gravimetric Thermogravimetry | Measurement of mass loss after heating at 105 C for 2 hours, reflecting volatile impurities and residual solvents. |
| Residual Solvents | GC-FID | Quantitative analysis of common organic solvents (e.g., acetone, toluene) using gas chromatography with flame ionization detection. |
| Heavy Metals | ICP-OES | Multi-element quantification of Pb, Cd, Hg, As, and Cr after acid digestion, based on atomic emission intensities. |
| Chloride Impurity | Ion Chromatography | Separation and quantification of chloride ions using suppressed conductivity detection after aqueous extraction. |
| Sulfated Ash | Gravimetric Ignition | Mass measurement of inorganic residue remaining after combustion at 700 C, indicating inorganic impurity content. |
| Water Content | Karl Fischer Titration | Volumetric titration using iodine-based reagent to quantify water via stoichiometric redox reaction. |
| Related Substances | HPLC-DAD | Detection and relative quantification of structurally related impurities using diode array detection across multiple wavelengths. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry powder dispersion via light scattering pattern to determine D10, D50, and D90 values. |
| Bulk Density | Tap Density Tester | Measurement of mass per unit volume after standardized mechanical tapping of a known powder mass in a graduated cylinder. |
Technical Specifications of 4-PHENYLETHYNYLPHTHALIC ANHYDRIDE
| Test Item | Specification |
|---|---|
| Appearance | White to yellow to green crystalline powder |
| Purity | >=98.0% (HPLC) |
| Melting Point | 145–149 °C |
| Total Impurities | <=2.0% (HPLC) |
| Single Impurity | <=0.5% (HPLC) |
| Water Content (KF) | <=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 4-PHENYLETHYNYLPHTHALIC ANHYDRIDE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-PHENYLETHYNYLPHTHALIC ANHYDRIDE
Safety Information of 4-PHENYLETHYNYLPHTHALIC ANHYDRIDE
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 4-PHENYLETHYNYLPHTHALIC ANHYDRIDE
Industrial 4-PHENYLETHYNYLPHTHALIC 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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