6-(5-Chloro-2-hydroxy-4-sulfophenylazo)-5-hydroxy-1-naphthalenesulfonic acid disodium salt Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 3624-68-8 |
| Product name | 6-(5-Chloro-2-hydroxy-4-sulfophenylazo)-5-hydroxy-1-naphthalenesulfonic acid disodium salt |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeIndustrial GradeFood 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 3624-68-8
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3624-68-8 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3624-68-8
| Industry | Application | Process |
|---|---|---|
| Textile Dyeing and Finishing | Dyes | Applied in dyeing cotton, wool, and other fibers, commonly in mordant dyeing processes under acidic conditions |
| Printing and Dyeing | Pigment Synthesis | Serves as an intermediate in the synthesis of other organic pigments or dye molecules |
| Chemical Industry | Organic Synthesis | Used in organic compound synthesis reactions as an acidic catalyst or reactant |
| Food Industry | Food Additive (Indirect Use) | Indirectly applied in dyeing treatments for food packaging materials to ensure compliance with food safety standards |
| Pharmaceutical Industry | Pharmaceutical Intermediate | Employed as a raw material or intermediate in drug synthesis, participating in the construction of specific functional groups |
Manufacturing Quality Control of 3624-68-8
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination based on peak area comparison with certified reference standard using reversed-phase chromatography and UV detection at 580-620 nm. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration where iodine reacts stoichiometrically with water in a methanol-based solvent system. |
| Inorganic Ash | Gravimetric Analysis (Ignition at 550 C) | Residue mass after high-temperature incineration of sample, representing non-volatile inorganic impurities. |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-OES | Multi-element quantification by measuring atomic emission intensities of plasma-excited elements. |
| Chloride Ion | Potentiometric Titration with AgNO3 | Titration using silver nitrate with chloride-selective electrode to detect endpoint via potential change. |
| pH of 1% Aqueous Dispersion | pH Meter Measurement | Electrochemical measurement of hydrogen ion activity in aqueous suspension prepared per standard dispersion protocol. |
| Water Solubility | Filtration and Gravimetry | Determination of undissolved residue after stirring in distilled water, filtration, drying, and weighing. |
| Organic Impurities (Related Substances) | HPLC-DAD | Separation and identification of structurally related compounds using diode-array detection for spectral confirmation. |
| Iron Content | AAS (Flame) | Atomic absorption spectroscopy measuring absorbance of ground-state Fe atoms in air-acetylene flame. |
| Bulk Density | Graduated Cylinder Method | Mass per unit volume measured by gently pouring dried powder into calibrated cylinder and leveling without compaction. |
| Particle Size Distribution | Laser Diffraction | Analysis of light scattering pattern from dispersed particles to calculate size distribution based on Mie theory. |
| Sulfate Content | Gravimetric Precipitation as BaSO4 | Precipitation of sulfate as barium sulfate followed by filtration, ignition, and weighing of stable residue. |
Technical Specifications of 3624-68-8
| Test Item | Specification |
|---|---|
| Appearance | Dark blue to black crystalline powder |
| Purity | >=98.5% |
| Total Impurities | <=1.5% |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=0.3% |
| Heavy Metals | <=20 ppm |
| Color (APHA/Pt-Co) | Not applicable |
| Odor | Characteristic faint aromatic odor |
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 3624-68-8
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of 3624-68-8
Industrial 3624-68-8 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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