1-Aminonaphthalene-6-sulfonic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 119-79-9 |
| Product name | 1-Aminonaphthalene-6-sulfonic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeReagent 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 1-Aminonaphthalene-6-sulfonic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1-Aminonaphthalene-6-sulfonic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1-Aminonaphthalene-6-sulfonic acid
| Industry | Application | Process |
|---|---|---|
| Dye Industry | Intermediate for azo dyes, used in the synthesis of acid dyes, direct dyes, etc. | Preparation of specific azo dye molecules via diazotization, coupling, and related reactions |
| Pharmaceutical Industry | Synthetic intermediate for certain drugs or diagnostic reagents | Participation in multi-step organic synthesis routes for sulfonamide-based drugs or naphthalene-ring-containing pharmaceuticals |
| Analytical Chemistry | Preparation of colorimetric reagents or fluorescent probes for detection of metal ions or biomolecules | Chemical modification to yield analytical reagents with specific recognition and signal-response functionality |
| Research | Organic building block for developing novel functional materials or biologically active molecules | Construction of complex molecular architectures—such as conjugated systems or coordination compounds—in laboratory-scale synthesis |
Manufacturing Quality Control of 1-Aminonaphthalene-6-sulfonic acid
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Acid-Base Titration | Quantifies active ingredient by titration with standardized NaOH solution using phenolphthalein indicator. |
| Moisture Content | Karl Fischer Titration | Determines water content via coulometric or volumetric reaction between water and iodine in pyridine/methanol medium. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Measures total heavy metal content after acid digestion by atomic absorption at characteristic wavelengths. |
| Sulfated Ash | Gravimetric Analysis | Residue mass after high-temperature incineration of sample in sulfuric acid medium is weighed. |
| Chloride Impurity | Potentiometric Titration | Quantifies chloride ions using silver nitrate titrant with silver indicator electrode. |
| Iron (Fe) Content | ICP-OES | Determines iron concentration by measuring intensity of emitted light at specific wavelength after plasma excitation. |
| pH of Aqueous Solution | pH Meter Measurement | Measures hydrogen ion activity in a 1% w/v aqueous suspension using calibrated glass electrode. |
| Organic Impurities (Related Substances) | HPLC-UV | Separates and quantifies impurities using reversed-phase column and UV detection at 254 nm. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid under controlled heating rate. |
| Bulk Density | Graduated Cylinder Method | Mass per unit volume measured by tapping a known mass into a calibrated cylinder. |
| Particle Size Distribution | Laser Diffraction | Analyzes scattered laser light intensity to calculate size distribution of suspended particles. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile residue mass after ignition at 700-800 C in platinum crucible. |
Technical Specifications of 1-Aminonaphthalene-6-sulfonic acid
| Test Item | Specification |
|---|---|
| Appearance | Orange to brown crystalline powder |
| Purity | >=98.0% (HPLC) |
| Melting Point | 275-280 °C (decomposes) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.3% |
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 1-Aminonaphthalene-6-sulfonic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1-Aminonaphthalene-6-sulfonic acid
Safety Information of 1-Aminonaphthalene-6-sulfonic acid
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 1-Aminonaphthalene-6-sulfonic acid
Industrial 1-Aminonaphthalene-6-sulfonic acid 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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