Trisodium 4-carboxy-5-mercapto-3-hydroxy-isothiazole Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 76857-14-2 |
| Product name | Trisodium 4-carboxy-5-mercapto-3-hydroxy-isothiazole |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Reagent GradeIndustrial GradeSpecialty 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 Trisodium 4-carboxy-5-mercapto-3-hydroxy-isothiazole
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Trisodium 4-carboxy-5-mercapto-3-hydroxy-isothiazole Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Trisodium 4-carboxy-5-mercapto-3-hydroxy-isothiazole
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Used as an intermediate in drug synthesis | Chemical synthesis reaction |
| Analytical Chemistry | Used for complexation and detection of metal ions | Complexometric titration or colorimetric analysis |
| Environmental Protection | Applied as a chelating agent for heavy metal wastewater treatment | Chelation-precipitation in wastewater treatment |
| Chemical Industry | Used as a stabilizer or additive | Blending or modification process |
Manufacturing Quality Control of Trisodium 4-carboxy-5-mercapto-3-hydroxy-isothiazole
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification using reverse-phase HPLC with UV detection at 254 nm, comparing peak area to a certified reference standard. |
| Water Content | Karl Fischer Titration | Electrometric titration based on the stoichiometric reaction of iodine with water in a methanol-based reagent. |
| Residue on Ignition | Gravimetric Analysis | Measurement of non-volatile inorganic residue after controlled ashing at 700-800 C. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification by plasma excitation and optical emission spectroscopy after acid digestion. |
| Chloride Impurity | Ion Chromatography | Separation and conductivity detection of chloride ions using an anion-exchange column and sodium carbonate eluent. |
| Sulfate Impurity | Barium Sulfate Gravimetry | Precipitation of sulfate as BaSO4 under controlled pH and temperature, followed by ignition and weighing. |
| pH (1% aqueous solution) | Potentiometric pH Measurement | Determination using calibrated glass electrode in a 1% w/v aqueous solution at 25 C. |
| Loss on Drying | Thermogravimetric Analysis (TGA) | Mass loss measured upon heating from 25 to 105 C under nitrogen, reflecting volatile content. |
| Organic Impurities (Related Substances) | HPLC-DAD | Detection and quantification of structurally related compounds using gradient HPLC with diode-array detection. |
| Sodium Content | Flame Photometry | Quantification of Na+ based on characteristic emission intensity at 589 nm in an air-propane flame. |
| Free Thiol Content | Iodometric Titration | Oxidation of -SH groups by standardized iodine solution, with endpoint detected by starch indicator. |
| Microbial Limits | Membrane Filtration / TSA Plate Count | Enumeration of aerobic mesophilic microorganisms after filtration and incubation on tryptic soy agar. |
Technical Specifications of Trisodium 4-carboxy-5-mercapto-3-hydroxy-isothiazole
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.2% |
| Single Impurity | <=0.3% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 ppm |
| Melting Point | 215–220 °C |
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 Trisodium 4-carboxy-5-mercapto-3-hydroxy-isothiazole
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Safety Information of Trisodium 4-carboxy-5-mercapto-3-hydroxy-isothiazole
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of Trisodium 4-carboxy-5-mercapto-3-hydroxy-isothiazole
Industrial Trisodium 4-carboxy-5-mercapto-3-hydroxy-isothiazole 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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