Methyl p-toluenesulfonate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 80-48-8 |
| Product name | Methyl p-toluenesulfonate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial 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) |
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Documents We Provide for Methyl p-toluenesulfonate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Methyl p-toluenesulfonate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Methyl p-toluenesulfonate
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Synthesis | Alkylating agent for synthesis of pharmaceutical intermediates | Reacts with amines, alcohols, or phenols in organic solvents to introduce methyl or mesyl protecting groups |
| Organic Synthesis | Methylating agent and sulfonate ester precursor for hydroxyl group activation | Undergoes SN2 substitution reactions with nucleophiles (e.g., sodium iodide, thiolates) to yield corresponding methylated products |
| Materials Science | Reagent for functional modification of polymers | Used to methylate hydroxyl-containing polymeric materials such as cellulose and polyvinyl alcohol |
| Analytical Chemistry | Derivatization reagent for GC/MS analysis | Reacts with carboxylic acids or alcohols to generate volatile methyl ester or methyl ether derivatives, enhancing detection sensitivity |
| Agrochemical Chemistry | Intermediate for synthesizing methoxy-containing agrochemicals | Participates in constructing methoxyaryl or methylamino structural units in insecticides or herbicides |
Manufacturing Quality Control of Methyl p-toluenesulfonate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID | Quantitative determination based on peak area comparison against a certified reference standard under optimized chromatographic conditions. |
| Water Content | Karl Fischer Titration | Electrochemical titration where iodine reacts stoichiometrically with water in a methanol-based solvent system. |
| Residue on Ignition | Gravimetric Analysis | Measurement of non-volatile inorganic residue after high-temperature ashing at 500-600 C. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) | Quantification of metal impurities (e.g., Pb, Cd, Hg) by atomic absorption at element-specific wavelengths after acid digestion. |
| Chloride Impurity | Potentiometric Titration with Silver Nitrate | Titration using AgNO3 solution; endpoint detected by silver ion-selective electrode responding to free Cl- concentration. |
| Sulfate Impurity | Barium Sulfate Gravimetric Method | Precipitation of sulfate as BaSO4 followed by filtration, drying, and weighing of the precipitate. |
| Acidity (as p-Toluenesulfonic Acid) | Acid-Base Titration with NaOH | Neutralization of acidic impurities using standardized sodium hydroxide solution with phenolphthalein indicator. |
| Melting Point | Capillary Melting Point Determination | Thermal transition observed as the temperature range at which solid-to-liquid phase change occurs in a calibrated capillary apparatus. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity against specified criteria under controlled lighting conditions. |
| Solubility in Common Solvents | Qualitative Solubility Test | Observation of complete dissolution in specified solvents (e.g., methanol, acetone) at room temperature. |
| Residual Solvents (e.g., Methanol, Toluene) | Headspace Gas Chromatography (HS-GC) | Volatile organic impurities quantified by GC analysis of vapor phase above sample in sealed vial. |
| Organic Impurities (Related Substances) | High-Performance Liquid Chromatography (HPLC) with UV Detection | Separation and quantification of structurally related compounds using reversed-phase column and UV absorbance at 254 nm. |
Technical Specifications of Methyl p-toluenesulfonate
| Test Item | Specification |
|---|---|
| Appearance | Colorless crystalline solid |
| Purity | >=98.5% (GC) |
| Water Content (KF) | <=0.5% |
| Melting Point | 82-86°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=20 ppm |
| 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 Methyl p-toluenesulfonate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Methyl p-toluenesulfonate
Packaging of Methyl p-toluenesulfonate
Industrial Methyl 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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