Sodium 2-phenylindole-5-sulfonate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 119205-39-9 |
| Product name | Sodium 2-phenylindole-5-sulfonate |
| 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) |
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Documents We Provide for Sodium 2-phenylindole-5-sulfonate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Sodium 2-phenylindole-5-sulfonate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Sodium 2-phenylindole-5-sulfonate
| Industry | Application | Process |
|---|---|---|
| Analytical Chemistry | Fluorescent probe or fluorescent dye | Used for fluorescent labeling and detection of biomacromolecules such as proteins and nucleic acids |
| Biomedical Research | Cell imaging reagent | Applied as a fluorescent label in microscopic imaging of live or fixed cells |
| Materials Science | Organic optoelectronic material precursor | Employed in synthesizing functional indole derivatives with tailored optoelectronic properties |
| Chemical Synthesis | Intermediate | Participates in the synthesis of more complex heterocyclic compounds or pharmaceutical molecules |
Manufacturing Quality Control of Sodium 2-phenylindole-5-sulfonate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at characteristic wavelength, calibrated against certified reference standard. |
| Related Substances | HPLC-DAD | Separation and detection of impurities using HPLC with diode-array detection; identification and quantification based on retention time and spectral match. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine-based reagent to determine water content via stoichiometric reaction. |
| Residue on Ignition | Gravimetric Analysis | Heating sample at 700-800 C to constant weight; residue mass expressed as percentage of original sample. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification after acid digestion using inductively coupled plasma optical emission spectroscopy. |
| Chloride Impurity | Ion Chromatography | Separation of anions on ion-exchange column with conductivity detection; quantified against chloride standard. |
| Sodium Content | Flame Photometry | Measurement of sodium-specific emission intensity in flame, calibrated with sodium standard solutions. |
| pH (1% aqueous solution) | Potentiometric Titration | Determination of hydrogen ion activity using calibrated pH electrode in aqueous solution. |
| Organic Volatile Impurities | GC-FID | Detection and quantification of residual solvents using gas chromatography with flame ionization detection. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light from dispersed particles to determine size distribution by Mie theory. |
| Bulk Density | Weight/Volume Method | Mass of material freely poured into a standardized cylinder divided by cylinder volume. |
| Microbial Limits | Membrane Filtration | Sample filtration followed by incubation on selective agar media; enumeration of aerobic bacteria, yeasts, and molds. |
Technical Specifications of Sodium 2-phenylindole-5-sulfonate
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 245-249°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.3% |
| Solubility | Freely soluble in water; slightly soluble in ethanol |
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 Sodium 2-phenylindole-5-sulfonate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of Sodium 2-phenylindole-5-sulfonate
Industrial Sodium 2-phenylindole-5-sulfonate 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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