China Factory Direct
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| CAS number | 1702-42-7 |
| Product name | METHYLTRIBUTYLPHOSPHONIUM IODIDE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeReagent 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 |
|---|---|---|
| Materials Science | Synthesis of Ionic Liquids | Used as a precursor or constituent of quaternary phosphonium-based ionic liquids for synthesizing ionic liquids with tailored solubility and stability |
| Catalytic Chemistry | Phase-Transfer Catalyst | Applied as a phase-transfer catalyst in organic synthesis to facilitate transfer and reaction of reactants across immiscible phases (e.g., aqueous and organic phases) |
| Electrochemistry | Electrolyte Additive | Employed as an electrolyte component in electrochemical research to enhance ionic conductivity and electrochemical window stability |
| Organic Synthesis | Alkylation Reactions | Utilized as an alkylating agent in organic molecule synthesis, e.g., introducing butyl or methyl groups via reaction with nucleophiles |
| Analytical Chemistry | Ion Chromatography Reagent | Used in ion chromatography as an eluent or modifier to improve separation performance |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC with UV detection | Quantitative determination based on retention time and peak area comparison against certified reference standard using reversed-phase C18 column and UV detection at ~200–220 nm. |
| Residual Solvents | Gas Chromatography (GC-FID or GC-MS) | Separation and quantification of volatile organic solvents (e.g., dichloromethane, toluene) using capillary column and flame ionization or mass spectrometric detection. |
| Water Content | Karl Fischer Titration (Coulometric) | Electrochemical titration where iodine generated coulometrically reacts stoichiometrically with water in the sample dissolved in Karl Fischer reagent. |
| Inorganic Iodide (I⁻) | Ion Chromatography (IC) with conductivity detection | Separation of iodide anion on an anion-exchange column followed by quantitative detection via suppressed conductivity. |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-MS | Multi-element trace metal quantification after acid digestion, based on element-specific mass-to-charge ratio detection with high sensitivity and low detection limits. |
| Acid Value | Potentiometric Titration with NaOH | Neutralization of acidic impurities (e.g., HI, phosphonic acids) using standardized sodium hydroxide solution; endpoint determined by pH electrode. |
| Color (APHA) | Visual Comparison or Spectrophotometric Measurement at 455 nm | Measurement of yellowness intensity relative to platinum-cobalt standards; quantified as APHA units via absorbance at 455 nm in dilute solution. |
| Residue on Ignition | Gravimetric Analysis (Weight Loss on Ignition) | Determination of non-volatile inorganic residue after controlled high-temperature ashing (550–600 °C) and weighing of residual ash. |
| Phosphonium Cation Identity | ¹H NMR Spectroscopy | Confirmation of molecular structure via characteristic chemical shifts and coupling patterns of methyl, methylene, and butyl protons in deuterated chloroform. |
| Thermal Stability | Thermogravimetric Analysis (TGA) | Assessment of decomposition onset temperature and weight loss profile under controlled nitrogen atmosphere, indicating thermal robustness. |
| Particle Size Distribution (if solid/suspension) | Laser Diffraction | Analysis of scattered laser light intensity vs. angle to determine volume-based particle size distribution in dispersed phase. |
| pH (in aqueous solution) | Potentiometric pH Measurement | Direct measurement of hydrogen ion activity using calibrated glass electrode in a saturated aqueous solution or water-miscible solvent mixture. |
| Chloride Impurity (Cl⁻) | Ion Chromatography (IC) with conductivity detection | Separation and quantification of chloride anion on anion-exchange column with suppressed conductivity detection, optimized for low-level detection. |
| Total Phosphorus Content | ICP-OES | Quantification of total phosphorus after microwave-assisted acid digestion, based on emission intensity at characteristic wavelength (e.g., 213.62 nm). |
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.3% |
| Melting Point | 65-69°C |
| Identification (NMR) | Consistent with structure |
| Odor | Characteristic 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.