China Factory Direct
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| CAS number | 14937-45-2 |
| Product name | Cetyltributylphosphonium bromide |
| 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Phase-transfer catalysis | Acts as a phase-transfer catalyst to facilitate anion transfer in heterogeneous reactions, enhancing reaction rate and yield | In organic synthesis, the catalyst is added to the reaction system to promote ion exchange between aqueous and organic phases; commonly applied in alkylation and substitution reactions |
| Materials science | Used as a surfactant or template agent for synthesizing mesoporous materials (e.g., silica or metal oxides) | Guides formation of ordered pore structures via sol-gel or self-assembly processes; the template is subsequently removed by calcination or extraction |
| Textile industry | Functions as an antistatic agent or softener to improve surface properties of fibers or fabrics | Applied to fabrics during finishing via immersion or spray coating, followed by drying and curing |
| Pharmaceutical synthesis | Serves as an intermediate or catalyst in the synthesis of pharmaceutical molecules (e.g., antibiotics or heterocyclic compounds) | Acts as a phase-transfer catalyst in the reaction system to facilitate nucleophilic substitution or condensation reactions, optimizing reaction conditions |
| Water treatment | Used as a biocide or microbiological inhibitor to control microbial fouling in industrial recirculating water systems | Dosed into the water system; its cationic surfactant activity disrupts microbial cell membranes |
| Detection Item | Common Detection Methods | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the sample's color and physical state (typically colorless to pale yellow liquid or solid) to determine clarity and presence of impurities. |
| Purity | High-Performance Liquid Chromatography (HPLC) | Utilize a reversed-phase C18 column with methanol/water or acetonitrile/water as the mobile phase, and detect using UV or refractive index detectors to determine the main component content. |
| Content (Quantification of Main Component) | Acid-Base Titration / Ion Chromatography (IC) | Perform non-aqueous titration based on the reaction between quaternary phosphonium salts and standard acid; or indirectly calculate main component content by measuring bromide ion concentration via ion chromatography. |
| Bromide Ion Content | Ion Chromatography (IC) / Potentiometric Titration | Separate ions via ion chromatography followed by conductivity detection; or use standard silver nitrate solution for potentiometric titration to determine bromide ion concentration. |
| Moisutre Content | Karl Fischer Method | Determine water content in samples using volumetric or coulometric methods, suitable for precise measurement of trace water in organic solvents. |
| pH Value | pH Meter Measurement | Prepare a standardized aqueous solution of the sample (e.g., 1%), and measure its acidity or alkalinity using a calibrated pH meter. |
| Residue on Ignition / Ash Content | Gravimetric Method (High-Temperature Ignition) | Ignite the sample at a specified temperature (e.g., 600–800°C), then weigh the residual inorganic material to assess the level of inorganic impurities. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) / ICP-MS | After sample digestion, determine concentrations of heavy metal elements such as lead, arsenic, mercury, and cadmium using AAS or inductively coupled plasma mass spectrometry (ICP-MS). |
| Organic Impurities | Gas Chromatography-Mass Spectrometry (GC-MS) | Perform qualitative and quantitative analysis of volatile or semi-volatile organic impurities, particularly useful for detecting residual solvents or degradation products. |
| Thermal Stability | Thermogravimetric Analysis (TGA) / Differential Scanning Calorimetry (DSC) | Evaluate the compound's thermal decomposition behavior and stability by monitoring mass changes (TGA) or heat flow changes (DSC) during heating. |
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% |
| Total Impurities | <=2.0% |
| Water Content (KF) | <=0.5% |
| Melting Point | 75-79°C |
| Identification (NMR) | Consistent with structure |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
| Odor | Characteristic, faint organic odor |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
| Pictograms | ![]() |
| Signal Word | Warning |
| Safety Data Sheet | |
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.