4,4'-Biphenyldicarboxaldehyde Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 66-98-8 |
| Product name | 4,4'-Biphenyldicarboxaldehyde |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeElectronic GradeMaterial GradeReagent GradeIndustrial GradeSpecialty 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 4,4'-Biphenyldicarboxaldehyde
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4,4'-Biphenyldicarboxaldehyde Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4,4'-Biphenyldicarboxaldehyde
| Industry | Application | Process |
|---|---|---|
| Liquid Crystal Materials | As a liquid crystal intermediate | Condensation reaction to produce the target compound |
| Pharmaceutical Synthesis | Intermediate for synthesizing certain pharmaceuticals | Reduction, substitution, and other reaction steps to prepare the target compound |
| Pesticides | Raw material for synthesizing specific pesticides | Contribution to active molecular structure construction |
| Organic Optoelectronic Materials | Material for organic light-emitting diode (OLED) fabrication | Polymerization or copolymerization with other monomers to form polymers |
| Catalyst Ligands | Ligand in certain catalyst systems | Coordination reaction to immobilize metal ions |
| Analytical Reagents | Colorimetric reagent or indicator in specific analytical methods | Direct participation in chemical reactions to generate visible results or color change indicating endpoint |
Manufacturing Quality Control of 4,4'-Biphenyldicarboxaldehyde
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 254 nm, comparing peak area against a certified reference standard. |
| Appearance | Visual Inspection | Assessment of physical state and color by observation under controlled white light against a white background. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid using calibrated capillary apparatus per ASTM D1560. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine-based reagent to quantify trace water based on stoichiometric reaction. |
| Residue on Ignition | Gravimetric Analysis | Heating sample at 750 C in platinum crucible, cooling in desiccator, and weighing residual inorganic ash. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification after acid digestion, measuring emission intensities at characteristic wavelengths. |
| Chloride Impurity | Ion Chromatography | Separation and quantification of chloride anions using suppressed conductivity detection with carbonate eluent. |
| Related Substances | HPLC-DAD | Identification and quantification of impurities and degradation products using diode-array detection and retention time matching. |
| Organic Volatile Impurities | GC-FID | Detection and quantification of residual solvents via capillary GC with flame ionization detection. |
| Acid Value | Acid-Base Titration | Neutralization of acidic impurities with standardized KOH ethanol solution using phenolphthalein indicator. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry powder dispersion using Mie scattering theory to determine size distribution profile. |
| Bulk Density | Graduated Cylinder Method | Measurement of mass per unit volume for freely settled material in a calibrated cylinder per ASTM D1895. |
Technical Specifications of 4,4'-Biphenyldicarboxaldehyde
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 128–132°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Consistent with structure |
| 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 4,4'-Biphenyldicarboxaldehyde
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4,4'-Biphenyldicarboxaldehyde
Safety Information of 4,4'-Biphenyldicarboxaldehyde
| Pictograms |   |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 4,4'-Biphenyldicarboxaldehyde
Industrial 4,4'-Biphenyldicarboxaldehyde 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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