1,1-Biphenyl,4-ethyl-4-ethynyl-(9CI) Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 477587-89-6 |
| Product name | 1,1-Biphenyl,4-ethyl-4-ethynyl-(9CI) |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeIndustrial 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 1,1-Biphenyl,4-ethyl-4-ethynyl-(9CI)
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1,1-Biphenyl,4-ethyl-4-ethynyl-(9CI) Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1,1-Biphenyl,4-ethyl-4-ethynyl-(9CI)
| Industry | Application | Process |
|---|---|---|
| Organic Synthesis | Intermediate for Liquid Crystal Materials | Used as an intermediate in constructing liquid crystal molecular frameworks for synthesizing high-performance liquid crystal compounds |
| Pharmaceutical R&D | Intermediate for Innovative Drug Synthesis | Applied in constructing biologically active aromatic compounds for new drug development |
| Materials Science | Precursor for Organic Optoelectronic Functional Materials | Used to prepare organic light-emitting diodes (OLEDs) or organic semiconductor materials |
| Fine Chemicals | Raw Material for Specialty Chemical Synthesis | Employed in coupling reactions and other processes to extend conjugated systems and produce high-purity functional molecules |
Manufacturing Quality Control of 1,1-Biphenyl,4-ethyl-4-ethynyl-(9CI)
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | GC-FID or GC-MS | Quantitative determination using gas chromatography with flame ionization detection or mass spectrometric detection, comparing peak area to a calibrated standard. |
| Related Substances | GC-FID or HPLC-UV | Separation and quantification of impurities based on retention time and UV absorption or FID response relative to the main peak. |
| Residual Solvents | Headspace GC-FID | Volatile organic solvents are extracted into headspace gas and quantified by gas chromatography with flame ionization detection. |
| Water Content | Karl Fischer Titration | Electrochemical titration using iodine generated in situ to react stoichiometrically with water in the sample. |
| Heavy Metals | ICP-MS or ICP-OES | Digestion followed by elemental quantification via inductively coupled plasma mass spectrometry or optical emission spectrometry. |
| Chloride Content | Ion Chromatography | Separation of chloride anions on an ion-exchange column with conductivity detection and quantification against calibration standards. |
| Residue on Ignition | Gravimetric Analysis | Sample is ignited at high temperature and residual inorganic ash is weighed after cooling in a desiccator. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed visually as the solid transitions to liquid phase under controlled heating rate. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity against defined specifications under controlled lighting conditions. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light induced by chiral compounds in solution at specified wavelength and temperature. |
| Bulk Density | ASTM D1895 | Determination of mass per unit volume of freely flowing powder using a standardized graduated cylinder and tapping procedure. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity patterns to calculate particle size distribution based on Mie theory. |
Technical Specifications of 1,1-Biphenyl,4-ethyl-4-ethynyl-(9CI)
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.0% (GC-MS) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 78–82°C |
| Identification (NMR) | Conforms to reference standard |
| 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 1,1-Biphenyl,4-ethyl-4-ethynyl-(9CI)
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1,1-Biphenyl,4-ethyl-4-ethynyl-(9CI)
Safety Information of 1,1-Biphenyl,4-ethyl-4-ethynyl-(9CI)
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 1,1-Biphenyl,4-ethyl-4-ethynyl-(9CI)
Industrial 1,1-Biphenyl,4-ethyl-4-ethynyl-(9CI) 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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