Propargyl p-toluenesulfonate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 6165-76-0 |
| Product name | Propargyl p-toluenesulfonate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeIndustrial Grade |
| Packaging | 25L/drum200L/drum1000L/IBC |
| 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 Propargyl p-toluenesulfonate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Propargyl p-toluenesulfonate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Propargyl p-toluenesulfonate
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Used as an organic synthesis intermediate for preparing bioactive compounds (e.g., antitumor and antiviral agents) | Introduces a propargyl group in palladium- or copper-catalyzed coupling reactions, such as Sonogashira coupling |
| Agrochemicals | Used to construct alkyne structural motifs in novel agrochemical molecules | Acts as an alkylating agent, reacting with heterocyclic compounds containing active hydrogen under basic conditions |
| Materials Science | Used in the preparation of functional polymers and optoelectronic materials | Constructs triazole ring structures via click chemistry reactions, such as the CuAAC reaction |
| Organic Synthesis | Used as a propargyl protecting group or transfer reagent | Deprotects or transfers the propargyl group under mild conditions to enable functional group manipulation in multistep synthetic strategies |
Manufacturing Quality Control of Propargyl p-toluenesulfonate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification by peak area comparison against a certified reference standard using reversed-phase chromatography and UV detection at 254 nm. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration with iodine reagent to determine water content based on stoichiometric reaction with iodine and sulfur dioxide in pyridine/methanol medium. |
| Residue on Ignition | Gravimetric Analysis | Measurement of non-volatile inorganic residue after controlled high-temperature ashing at 700-800 C. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification of trace metals via atomic emission spectroscopy following acid digestion and matrix-matched calibration. |
| Chloride Impurity | Ion Chromatography | Separation and conductivity-based detection of chloride anions using anion-exchange column and suppressed conductivity detector. |
| Sulfate Impurity | Ion Chromatography | Separation and conductivity-based detection of sulfate anions using anion-exchange column and suppressed conductivity detector. |
| Acid Value | Acid-Base Titration | Neutralization of acidic impurities with standardized NaOH solution using phenolphthalein indicator or potentiometric endpoint detection. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Comparison of sample solution color intensity against platinum-cobalt standard solutions or measurement of absorbance at 430 nm. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid, observed visually under controlled heating rate. |
| Organic Volatile Impurities | GC-FID | Separation and flame ionization detection of residual solvents and low-boiling impurities using capillary column and temperature programming. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light induced by chiral compounds in solution at specified wavelength and concentration. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity pattern to calculate volume-based particle size distribution in suspended sample. |
Technical Specifications of Propargyl p-toluenesulfonate
| Test Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Purity | >=98.0% (HPLC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Refractive Index (n20/D) | 1.520–1.530 |
| Relative Density (20°C/25°C) | 1.12–1.14 g/cm³ |
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 Propargyl p-toluenesulfonate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Propargyl p-toluenesulfonate
Packaging of Propargyl p-toluenesulfonate
Industrial Propargyl p-toluenesulfonate 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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