7-Azabenzotriazol-1-yloxytris(dimethylamino)phosphonium hexafluorophosphate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 156311-85-2 |
| Product name | 7-Azabenzotriazol-1-yloxytris(dimethylamino)phosphonium hexafluorophosphate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial 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) |
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Documents We Provide for 156311-85-2
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 156311-85-2 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 156311-85-2
| Industry | Application | Process |
|---|---|---|
| Biopharmaceuticals | Used as an efficient coupling reagent in peptide synthesis reactions | Facilitates amide bond formation via dehydration condensation between carboxylic acids and amines |
| Organic Synthesis | Employed as a coupling reagent to link distinct molecular fragments | Catalyzes direct coupling of carboxylic acids and amines to form amides under mild conditions |
| Medicinal Chemistry | Applied in key steps of drug molecule design and synthesis | Participates directly in target compound construction or provides stable intermediates |
| Fine Chemicals | Utilized as a versatile catalyst to enhance selectivity and efficiency in specific chemical transformations | Functions across various organic transformations leveraging its distinctive chemical properties |
Manufacturing Quality Control of 156311-85-2
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification using reverse-phase HPLC with UV detection at 254 nm, comparing peak area against a certified reference standard. |
| Water Content | Karl Fischer Titration | Electrochemical titration measuring water via iodine-sulfur dioxide reaction in anhydrous methanol-based solvent. |
| Residual Solvents | GC-FID | Separation and quantification of volatile organic solvents using gas chromatography with flame ionization detection. |
| Heavy Metals | ICP-OES | Multi-element quantification of metal impurities after acid digestion, based on atomic emission intensities. |
| Chloride Impurity | Ion Chromatography | Separation and conductivity detection of chloride ions in aqueous solution using anion-exchange column. |
| Residual Phosphine Oxides | 1H NMR Spectroscopy | Identification and semi-quantitative assessment of phosphine oxide by-products via characteristic proton chemical shifts. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition determination by observing solid-to-liquid phase change under controlled heating rate. |
| Appearance | Visual Inspection | Assessment of physical state, color, and presence of foreign particles under standardized white-light conditions. |
| Bulk Density | USP <616> Tap Density Method | Measurement of mass per unit volume after mechanical tapping to achieve reproducible packing density. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered light intensity patterns to determine size distribution of dry powder sample. |
| Loss on Drying | Gravimetric Thermogravimetry | Mass loss measurement after drying at specified temperature and time under controlled atmosphere. |
| Counterion (PF6-) Content | Ion Chromatography with Conductivity Detection | Quantification of hexafluorophosphate anion using high-performance anion-exchange chromatography. |
Technical Specifications of 156311-85-2
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.0% (HPLC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | 145–149 °C |
| Identification (NMR) | Consistent with structure |
| Residue on Ignition | <=0.1% |
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 156311-85-2
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 156311-85-2
Packaging of 156311-85-2
Industrial 156311-85-2 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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