China Factory Direct
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| CAS number | 16640-68-9 |
| Product name | (TRIPHENYLPHOSPHORANYLIDENE)ACETONITRILE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeSpecialty 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 |
|---|---|---|
| Pharmaceutical Intermediates | Synthesis of heterocyclic structures in drug molecules | Triphenylphosphine and acetonitrile groups are introduced via organic synthesis reactions |
| Organic Synthesis | Organic synthesis reagent | Used as a ligand in palladium-catalyzed coupling reactions |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (PPh3CH3CN content) | HPLC-UV | Quantification by reverse-phase HPLC with UV detection at 254 nm using external standard calibration. |
| Related Substances | HPLC-DAD | Separation and identification of impurities (e.g., triphenylphosphine, acetonitrile, phosphine oxides) via gradient HPLC with diode-array detection. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration using iodine generated in situ to quantify water based on the stoichiometric reaction with iodine and sulfur dioxide. |
| Residue on Ignition | Gravimetric Analysis | Measurement of non-volatile inorganic residue after high-temperature ashing at 700-800 C. |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-MS | Multi-element quantification by inductively coupled plasma mass spectrometry following acid digestion. |
| Chloride Impurity | Ion Chromatography | Separation and quantification of chloride anions using suppressed conductivity detection. |
| Phosphine Oxide Impurity (TPPO) | HPLC-UV | Specific detection of triphenylphosphine oxide as a key degradation product using reversed-phase HPLC. |
| Acetonitrile Residue | GC-FID | Quantification of residual acetonitrile by gas chromatography with flame ionization detection. |
| Appearance (Color & Clarity) | Visual Inspection | Assessment against water-white standard and observation for particulates or haze in solution. |
| Melting Point | Capillary Melting Point Apparatus | Determination of solid-to-liquid transition temperature range using calibrated capillary method. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light induced by chiral impurities or enantiomeric excess. |
| pH of 1% Aqueous Suspension | pH Meter | Electrochemical measurement of hydrogen ion activity in a saturated aqueous suspension. |
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | 140–144°C |
| Identification (NMR) | Consistent with structure |
| Residue on Ignition | <=0.1% |
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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.