Tetrafluorophthalic anhydride Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 652-12-0 |
| Product name | Tetrafluorophthalic anhydride |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeMaterial GradeSpecialty Grade |
| Packaging | 25KG/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 Tetrafluorophthalic anhydride
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Tetrafluorophthalic anhydride Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Tetrafluorophthalic anhydride
| Industry | Application | Process |
|---|---|---|
| Electronic Chemicals | Liquid Crystal Material Intermediate | Used to synthesize high-performance liquid crystal monomers; nematic liquid crystal compounds are prepared via amidation, coupling, and related reactions. |
| Pharmaceutical Chemicals | Pharmaceutical Synthesis Intermediate | Used to construct fluorinated aromatic ring structures in active pharmaceutical ingredients (e.g., kinase inhibitors); incorporated into the drug molecule scaffold via nucleophilic substitution or palladium-catalyzed coupling reactions. |
| High-Performance Polymers | Polyimide Monomer | Reacted with diamine compounds (e.g., ODA, PMDA) via condensation polymerization to produce fluorinated polyimides for flexible display substrates and aerospace-grade high-temperature insulation films. |
| Agrochemicals | Fluorinated Agrochemical Intermediate | Used to synthesize novel fluorinated fungicides or herbicides; the bioactive core structure is built through functional group transformations of fluorinated aromatic rings (e.g., hydrolysis, amination). |
Manufacturing Quality Control of Tetrafluorophthalic anhydride
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC with UV detection | Quantification based on peak area comparison against a certified reference standard using reversed-phase chromatography. |
| Moisture Content | Karl Fischer titration | Electrochemical titration where iodine reacts stoichiometrically with water in a methanol-based reagent. |
| Residue on Ignition | Gravimetric analysis | Weight loss after high-temperature ashing measures non-volatile inorganic impurities. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element detection via plasma excitation and atomic emission spectroscopy at characteristic wavelengths. |
| Chloride Impurity | Ion Chromatography | Separation and quantification of chloride anions using anion-exchange column and conductivity detection. |
| Acid Value | Acid-base titration | Neutralization of acidic groups with standardized KOH solution using phenolphthalein indicator. |
| Melting Point | Capillary melting point apparatus | Thermal transition observed as solid-to-liquid phase change under controlled heating rate. |
| Appearance | Visual inspection | Assessment of physical state, color, and presence of visible particulates or discoloration against specification. |
| Organic Volatile Impurities | Gas Chromatography (GC-FID) | Separation and quantification of residual solvents or low-boiling impurities using flame ionization detection. |
| Particle Size Distribution | Laser diffraction | Analysis of scattered laser light intensity to determine size distribution of solid particles in suspension. |
| Bulk Density | Tap density measurement | Mass per unit volume determined after standardized mechanical tapping of a powder sample in a graduated cylinder. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light induced by chiral molecules in solution. |
Technical Specifications of Tetrafluorophthalic anhydride
| Test Item | Specification |
|---|---|
| Appearance | Off-white crystalline solid |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 148–152°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Acid Value (mg KOH/g) | 360–375 mg KOH/g |
| 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
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Download COA of Tetrafluorophthalic anhydride
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Tetrafluorophthalic anhydride
Safety Information of Tetrafluorophthalic anhydride
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of Tetrafluorophthalic anhydride
Industrial Tetrafluorophthalic 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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