China Factory Direct
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| CAS number | 77214-82-5 |
| Product name | Iron(III) p-toluenesulfonate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty 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) |
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 |
|---|---|---|
| Organic Synthesis | Catalyst | Used in Friedel–Crafts acylation, alkylation, and esterification reactions to enhance reaction rate and selectivity |
| Pharmaceutical Intermediates Synthesis | Catalyst for cyclization and condensation reactions | Acts as a Lewis acid catalyst in the synthesis of nitrogen-containing heterocycles (e.g., indole and quinoline derivatives) |
| Polymers | Polymerization initiator / crosslinking promoter | Applied in epoxy resin curing, polyurethane crosslinking, and controlled radical polymerization of acrylic monomers |
| Dyes and Pigments | Sulfonation and coupling reaction aid | Facilitates regioselective sulfonation of aromatic compounds and diazo coupling reactions, improving hue and color fastness |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Fe(C7H7SO3)3 content) | Acid-Base Titration | Neutralization of sulfonic acid groups with standardized NaOH using phenolphthalein indicator. |
| Iron (Fe) Content | ICP-OES | Quantification of elemental iron by measuring characteristic atomic emission intensities in plasma. |
| Sulfur (S) Content | Combustion IC | Oxidation of organic sulfur to sulfate followed by ion chromatographic separation and conductivity detection. |
| Loss on Drying (LOD) | Gravimetric Analysis | Mass loss measured after heating at 105 C under controlled conditions to remove volatile components. |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-MS | Multi-element quantification via mass-to-charge ratio detection of metal isotopes after acid digestion. |
| Chloride (Cl-) Impurity | Potentiometric Titration | Titration with AgNO3 using silver electrode to detect endpoint via potential change. |
| Residue on Ignition | Gravimetric Analysis | Mass of non-volatile inorganic residue remaining after high-temperature ashing at 500-600 C. |
| pH of Aqueous Solution | pH Meter Measurement | Electrochemical measurement of hydrogen ion activity in a defined aqueous suspension (e.g., 1% w/v). |
| Organic Volatile Impurities | GC-FID | Separation and quantification of residual solvents or organics using gas chromatography with flame ionization detection. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity patterns to determine size distribution of dry powder. |
| Bulk Density | Tap Density Measurement | Mass per unit volume determined after controlled tapping of a known mass in a graduated cylinder. |
| Color (APHA) | UV-Vis Spectrophotometry | Comparison of absorbance at 430 nm against APHA color standards in solution. |
| Test Item | Specification |
|---|---|
| Appearance | Orange solid |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.3% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.3% |
| Melting Point | 140–145 °C |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
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.