4-Bromo diphenylacetylene Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 13667-12-4 |
| Product name | 4-Bromo diphenylacetylene |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeReagent 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-Bromo diphenylacetylene
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Bromo diphenylacetylene Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-Bromo diphenylacetylene
| Industry | Application | Process |
|---|---|---|
| Organic Synthesis | Intermediate for synthesizing various organic compounds, including pharmaceuticals, dyes, and functional materials | Introduces phenylacetylene groups to enhance molecular electronic effects and steric configuration, enabling subsequent coupling reactions or functionalization |
| Pharmaceutical R&D | Key intermediate in the synthesis of specific drug molecules | Constructs complex molecular architectures via coupling reactions with other functional groups, supporting development of anticancer, antiviral, and other therapeutic agents |
| Materials Science | Preparation of functional materials with optoelectronic properties | Synthesizes organic semiconductor or fluorescent materials; the phenylacetylene group’s conjugated system enhances material optoelectronic performance |
| Chemical Analysis | Reference standard or reagent for chemical analysis and research | Used as a reference substance or reaction reagent in chromatographic and mass spectrometric analyses |
Manufacturing Quality Control of 4-Bromo diphenylacetylene
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination based on peak area comparison with a certified reference standard using reversed-phase chromatography and UV detection at ~254 nm. |
| Related Substances (Impurities) | HPLC-UV or GC-FID | Separation and quantification of structurally related impurities (e.g., unreacted bromobenzene, phenylacetylene, diaryl side-products) using retention time matching and relative response factors. |
| Residual Solvents | GC-FID or GC-MS | Identification and quantification of volatile organic solvents (e.g., THF, toluene, DMF) by headspace-GC with flame ionization or mass spectrometric detection against calibrated standards. |
| Water Content | Karl Fischer Titration (Coulometric) | Electrochemical titration measuring water via iodine generation and stoichiometric reaction with water in anhydrous methanol-based reagent. |
| Heavy Metals (as Pb) | ICP-MS or ICP-OES | Multi-element trace metal quantification after acid digestion; detection based on elemental mass-to-charge ratio (ICP-MS) or atomic emission intensity (ICP-OES). |
| Chloride Impurity | Ion Chromatography (IC) with Conductivity Detection | Separation of chloride ions on an anion-exchange column and quantification via conductivity response relative to chloride standard calibration. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition measurement by observing solid-to-liquid phase change under controlled heating rate; used for identity and purity assessment. |
| Appearance & Color | Visual Inspection / Hazen/APHA Color Scale | Subjective evaluation of physical state (crystalline solid) and color intensity compared against platinum-cobalt standard solutions. |
| Residue on Ignition | Gravimetric Analysis | Determination of non-volatile inorganic residue after high-temperature ashing (700–800 °C) and weighing of the cooled crucible. |
| Specific Optical Rotation | [α]D (if chiral impurities suspected) | Measurement of plane-polarized light rotation using a digital polarimeter at 589 nm; primarily for identity and chiral purity screening (though compound is achiral, detects chiral contaminants). |
Technical Specifications of 4-Bromo diphenylacetylene
| Test Item | Specification |
|---|---|
| Appearance | Brown solid |
| Purity | >=98.0% (GC-MS) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | 112-116°C |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Conforms to reference spectrum |
| 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-Bromo diphenylacetylene
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-Bromo diphenylacetylene
Packaging of 4-Bromo diphenylacetylene
Industrial 4-Bromo diphenylacetylene 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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