BENZOPHENONE-4,4'-DICARBOXYLIC ACID Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 964-68-1 |
| Product name | BENZOPHENONE-4,4'-DICARBOXYLIC ACID |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeIndustrial GradeElectronic 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 BENZOPHENONE-4,4'-DICARBOXYLIC ACID
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk BENZOPHENONE-4,4'-DICARBOXYLIC ACID Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of BENZOPHENONE-4,4'-DICARBOXYLIC ACID
| Industry | Application | Process |
|---|---|---|
| Chemical Reagents | Organic synthesis intermediate for preparing polymers and functional chemicals | Used to construct complex molecular structures via esterification, amidation, and other reactions of benzophenone-4,4'-dicarboxylic acid |
| Polymers | Monomer or crosslinker for polyesters, polyamides, and other polymers | Co-polymerized with polyols or polyamines via condensation polymerization to produce high-performance engineering plastics |
| Optoelectronic Materials | Electron transport layer material in organic light-emitting diodes (OLEDs) | Applied as thin-film devices via solution processing or vacuum thermal evaporation |
| Coatings & Inks | Thermally and chemically resistant modifier for coatings | Blended into resin systems and applied as protective coatings via spray or roll coating |
| Pharmaceutical R&D | Synthetic precursor for drug molecule scaffolds | Used to introduce biologically active functional groups via reduction, coupling, and other reactions |
Manufacturing Quality Control of BENZOPHENONE-4,4'-DICARBOXYLIC ACID
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification using reverse-phase HPLC with UV detection at 254 nm, comparing peak area to a certified reference standard. |
| Moisture Content | Karl Fischer Titration | Coulometric or volumetric titration based on the reaction of iodine with water in a pyridine-methanol solvent system. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid, using calibrated capillary tube method per USP <741>. |
| Residue on Ignition | Gravimetric Analysis (Weight Loss on Ignition) | Measurement of non-volatile inorganic residue after high-temperature ashing at 700-800 C. |
| Heavy Metals | ICP-OES | Multi-element quantification of Pb, Cd, Hg, As, and other regulated metals after acid digestion and plasma emission spectroscopy. |
| Chloride Impurity | Ion Chromatography | Separation and quantification of chloride anions using suppressed conductivity detection with carbonate eluent. |
| Sulfated Ash | Gravimetric Analysis | Weight of inorganic residue remaining after ignition with sulfuric acid pretreatment, per USP <281>. |
| Organic Volatile Impurities | GC-FID | Identification and quantification of residual solvents using capillary GC with flame ionization detection. |
| Particle Size Distribution | Laser Diffraction | Measurement of size distribution based on angular dependence of scattered laser light intensity. |
| Color (APHA) | Visual Comparison or Spectrophotometric Method | Assessment of yellowness index by matching sample solution color to APHA platinum-cobalt standards or measuring absorbance at 455 nm. |
| Acid Value | Acid-Base Titration | Neutralization of carboxylic acid groups with standardized KOH ethanol solution using phenolphthalein indicator. |
| Related Substances | HPLC-DAD | Detection and quantification of structurally similar impurities using gradient HPLC with diode array detection and reference standards. |
Technical Specifications of BENZOPHENONE-4,4'-DICARBOXYLIC ACID
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% (LC-MS) |
| Melting Point | 228–232°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Acid Value (mg KOH/g) | 420–440 mg KOH/g |
| Heavy Metals | <=10 ppm |
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 BENZOPHENONE-4,4'-DICARBOXYLIC ACID
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of BENZOPHENONE-4,4'-DICARBOXYLIC ACID
Safety Information of BENZOPHENONE-4,4'-DICARBOXYLIC ACID
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of BENZOPHENONE-4,4'-DICARBOXYLIC ACID
Industrial BENZOPHENONE-4,4'-DICARBOXYLIC ACID 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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