4,4'-DIETHOXYBIPHENYL Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 7168-54-9 |
| Product name | 4,4'-DIETHOXYBIPHENYL |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeSpecialty GradeElectronic GradeMaterial 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 4,4'-DIETHOXYBIPHENYL
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4,4'-DIETHOXYBIPHENYL Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4,4'-DIETHOXYBIPHENYL
| Industry | Application | Process |
|---|---|---|
| Organic Synthesis | Intermediate for synthesizing liquid crystal materials, fluorescent whitening agents, and pharmaceutical compounds | Used as a substrate in aryl coupling reactions; target molecules are prepared via multi-step reactions including halogenation, nitration, and reduction |
| Liquid Crystal Materials | Liquid crystal monomer or dopant component to improve dielectric anisotropy and clearing point | Copolymerized with acrylate monomers or incorporated as a rigid core unit into liquid crystal molecular structures |
| Fluorescent Whitening Agents | Key structural unit enhancing blue light emission efficiency and photostability | Derivatized via sulfonation, chloromethylation, and other reactions to construct stilbene- or biphenyl-based fluorescent whitening agent frameworks |
Manufacturing Quality Control of 4,4'-DIETHOXYBIPHENYL
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reversed-phase HPLC with UV detection at 254 nm, comparing peak area against a certified reference standard. |
| Related Substances | HPLC-UV | Separation and quantification of impurities (e.g., monoethoxy analogs, unreacted biphenyl, dihydroxy biphenyl) using gradient HPLC-UV. |
| Residual Solvents | GC-FID | Headspace GC with flame ionization detection to quantify residual ethanol, toluene, or DMF based on calibrated external standards. |
| Moisture Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine generation to react stoichiometrically with water in the sample. |
| Heavy Metals | ICP-OES | Multi-element detection after acid digestion; measures total content of Pb, Cd, Hg, As, and Cr against regulatory limits. |
| Chloride Content | Ion Chromatography | Separation and quantification of chloride ions using anion-exchange column and conductivity detection. |
| Sulfated Ash | Gravimetric Analysis | Ignition of sample at 700-750 C followed by sulfuric acid treatment and final weighing of non-volatile residue. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid, using calibrated digital apparatus per USP <741>. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity of neat sample against defined standards (e.g., white to off-white crystalline powder). |
| Loss on Drying | Thermogravimetric Analysis | Weight loss measured after heating at 105 C for 2 hours under controlled airflow, indicating volatile content. |
| pH of Aqueous Suspension | pH Meter | Measurement of pH in a 1% (w/v) suspension in purified water using calibrated pH electrode. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered light intensity from dispersed particles to determine D10, D50, D90 values per ISO 13320. |
Technical Specifications of 4,4'-DIETHOXYBIPHENYL
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=99.0% (by LC-MS) |
| Melting Point | 118–122°C |
| Total Impurities | <=1.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Conforms to reference spectrum |
| Identification (IR) | 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 4,4'-DIETHOXYBIPHENYL
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4,4'-DIETHOXYBIPHENYL
Packaging of 4,4'-DIETHOXYBIPHENYL
Industrial 4,4'-DIETHOXYBIPHENYL 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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