China Factory Direct
|
|
| CAS number | 154445-78-0 |
| Product name | 2,2,4,6,7-Pentamethyldihydrobenzofuran-5-sulfonyl chloride |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeIndustrial GradeSpecialty GradeCosmetic GradeFood 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) |
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 |
|---|---|---|
| Pharmaceuticals | Intermediate for drug synthesis | Reacted with appropriate amine compounds to produce pharmaceuticals |
| Pesticides | Manufacture of insecticides or herbicides | Intermediate in the synthesis of pesticide active ingredients |
| Dyes | Dye intermediate or coupling agent | Coupling reaction in dye synthesis |
| Fragrances | Manufacture of fragrances or aroma compounds | Intermediate in the synthesis of fragrance compounds |
| Personal Care | Manufacture of certain functional cosmetic ingredients | Intermediate in the synthesis of cosmetic active ingredients |
| Industrial Chemicals | Manufacture of other chemicals or use as a reagent | Reagent or intermediate in the synthesis of various chemicals |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification via reverse-phase HPLC with UV detection at 254 nm using external standard calibration. |
| Related Substances | HPLC-DAD | Separation and identification of impurities using gradient HPLC coupled with diode array detection. |
| Residual Solvents | GC-FID | Detection and quantification of volatile organic solvents by gas chromatography with flame ionization detection. |
| Moisture Content | Karl Fischer Titration | Volumetric titration using iodine-based reagent to determine water content based on stoichiometric reaction. |
| Acid Value | Acid-Base Titration | Neutralization of acidic impurities with standardized NaOH solution using phenolphthalein indicator. |
| Chloride Content | Potentiometric Titration | Titration with silver nitrate using silver indicator electrode to detect chloride ion endpoint. |
| Heavy Metals | ICP-OES | Multi-element quantification of Pb, Cd, Hg, As, and Cr after acid digestion and plasma excitation. |
| Sulfur Content | Combustion IC | Oxidative combustion followed by ion chromatographic detection of sulfate ions. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition measurement using calibrated capillary apparatus per USP <741>. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry powder dispersion via light scattering pattern analysis. |
| Bulk Density | ASTM D1895 | Measurement of mass per unit volume for freely settled powder in a standardized cylinder. |
| Sulfonamide Impurity | LC-MS | Specific detection and semi-quantification of sulfonamide-related degradation products using mass spectrometric detection. |
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline solid |
| Purity | >=98.0% (HPLC) |
| Total Impurities | <=2.0% (HPLC) |
| Single Impurity | <=0.5% (HPLC) |
| Water Content (KF) | <=0.5% |
| Melting Point | 128–132°C |
| Identification (NMR) | Consistent with structure |
| Residue on Ignition | <=0.1% |
|
|
|
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
| Pictograms | ![]() |
| Signal Word | Danger |
| 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.