TRIPHENYLPHOSPHINE DIBROMIDE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1034-39-5 |
| Product name | TRIPHENYLPHOSPHINE DIBROMIDE |
| 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 TRIPHENYLPHOSPHINE DIBROMIDE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk TRIPHENYLPHOSPHINE DIBROMIDE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of TRIPHENYLPHOSPHINE DIBROMIDE
| Industry | Application | Process |
|---|---|---|
| Organic Synthesis | Brominating agent for conversion of alcohols to alkyl bromides | Reacts with alcohols under mild conditions via the Appel reaction mechanism to generate corresponding alkyl bromides |
| Organic Synthesis | Deoxygenating agent for conversion of carboxylic acids to acyl bromides | Acts synergistically with oxalyl chloride or carbon tetrachloride to convert carboxylic acids to acyl bromides |
| Pharmaceutical Intermediate Synthesis | Used to construct brominated heterocycles or chiral brominated compounds | Serves as a bromine source in precursor preparation for palladium-catalyzed cross-coupling reactions |
| Materials Science | Ligand precursor for synthesis of phosphine-containing metal complexes | Coordinates with transition metal salts (e.g., Pd, Rh) to form catalytically active species for C–C coupling reactions |
Manufacturing Quality Control of TRIPHENYLPHOSPHINE DIBROMIDE
| 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. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration based on the reaction of water with iodine and sulfur dioxide in a methanol/pyridine medium. |
| Residual Solvents | GC-FID | Separation and quantification of volatile organic solvents using gas chromatography with flame ionization detection. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification after acid digestion by measuring atomic emission intensities in an inductively coupled plasma. |
| Chloride Impurity | Ion Chromatography | Separation and quantification of chloride ions using anion-exchange column with conductivity detection. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition measurement by observing the temperature range at which solid-to-liquid phase change occurs. |
| Appearance | Visual Inspection | Assessment of physical state, color, and presence of foreign particles under controlled white light and against standard references. |
| Loss on Drying | Gravimetric Analysis | Mass loss measured after drying sample at specified temperature and time under vacuum or nitrogen atmosphere. |
| Residual Palladium | ICP-MS | Ultra-trace quantification of palladium after microwave-assisted digestion using inductively coupled plasma mass spectrometry. |
| Acid Value | Acid-Base Titration | Neutralization of acidic impurities with standardized potassium hydroxide solution using phenolphthalein indicator. |
| Organophosphorus Content | Phosphorus-Specific Colorimetry | Reaction of phosphorus with ammonium molybdate and ascorbic acid to form phosphomolybdenum blue complex, measured by absorbance. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity as a function of angle to determine size distribution of dry powder sample. |
Technical Specifications of TRIPHENYLPHOSPHINE DIBROMIDE
| Test Item | Specification |
|---|---|
| Appearance | White to off-white solid |
| Purity | >=98.0% |
| Melting Point | 225-230 °C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
| Identification (NMR) | Consistent with structure |
| Identification (IR) | Consistent with structure |
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 TRIPHENYLPHOSPHINE DIBROMIDE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of TRIPHENYLPHOSPHINE DIBROMIDE
Packaging of TRIPHENYLPHOSPHINE DIBROMIDE
Industrial TRIPHENYLPHOSPHINE DIBROMIDE 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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