4-Methylbenzylsulfonyl chloride Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 51419-59-1 |
| Product name | 4-Methylbenzylsulfonyl chloride |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeIndustrial Grade |
| Packaging | 25KG/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 4-Methylbenzylsulfonyl chloride
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Methylbenzylsulfonyl chloride Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-Methylbenzylsulfonyl chloride
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Key intermediate in the synthesis of the antifungal drug terbinafine | Converted to terbinafine via multi-step reactions including amidation and cyclization with N-methyl-1-naphthylamine |
| Agrochemical Intermediates | Used to synthesize sulfonamide derivatives for novel insecticides and fungicides | Undergoes nucleophilic substitution with amine compounds to form biologically active sulfonamide structures |
| Dyes and Pigments | Modifies diazo components in azo dyes to improve photostability | Couples with aromatic amines under low-temperature conditions to introduce the 4-methylbenzene sulfonyl group, thereby tuning electronic effects and hydrophobicity |
| Polymers | Acts as an accelerator for epoxy resin curing and as a crosslinking modifier for polyurethanes | Reacts with polyols or amine-based curing agents to form thermally labile sulfonamide linkages, enabling control over cure rate and network density |
Manufacturing Quality Control of 4-Methylbenzylsulfonyl chloride
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantitative determination based on peak area comparison against a certified reference standard using a non-polar capillary column. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration where iodine reacts stoichiometrically with water in a methanol-based reagent; endpoint detected amperometrically. |
| Acid Value | Acid-Base Titration with NaOH | Neutralization of acidic impurities (e.g., sulfonic acids) using standardized sodium hydroxide solution and phenolphthalein indicator. |
| Residue on Ignition | Gravimetric Analysis (Weight Loss on Ignition) | Sample heated at 700-800 C to constant weight; inorganic residue mass expressed as percentage of original sample. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals after acid digestion by measuring absorbance of ground-state atoms at element-specific wavelengths. |
| Chloride Impurities | Ion Chromatography (IC) | Separation and quantification of chloride anions using an anion-exchange column and conductivity detection. |
| Sulfate Impurities | Barium Sulfate Gravimetric Method | Precipitation of sulfate as BaSO4 in acidic medium, followed by filtration, drying, and weighing of the precipitate. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed visually or automatically as the temperature range over which solid transforms to liquid. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity against standard white background under controlled lighting. |
| Organic Volatile Impurities | Headspace Gas Chromatography-Mass Spectrometry (HS-GC-MS) | Volatile components partitioned into headspace, separated by GC, and identified/quantified via mass spectral detection. |
| Residual Solvents (e.g., dichloromethane, toluene) | Gas Chromatography with FID | Separation and quantification using calibrated standards and internal standard method on a polar or mid-polarity column. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light induced by chiral impurities or enantiomeric excess in solution at specified wavelength and temperature. |
Technical Specifications of 4-Methylbenzylsulfonyl chloride
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (HPLC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | 42–46°C |
| Identification (NMR) | Conforms to reference standard |
| Identification (IR) | Conforms to reference standard |
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 4-Methylbenzylsulfonyl chloride
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-Methylbenzylsulfonyl chloride
Safety Information of 4-Methylbenzylsulfonyl chloride
| Pictograms |  |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of 4-Methylbenzylsulfonyl chloride
Industrial 4-Methylbenzylsulfonyl chloride 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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