2-NAPHTHYLAMINE-4,6,8-TRISULFONIC ACID Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 27310-25-4 |
| Product name | 2-NAPHTHYLAMINE-4,6,8-TRISULFONIC ACID |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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 2-NAPHTHYLAMINE-4,6,8-TRISULFONIC ACID
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2-NAPHTHYLAMINE-4,6,8-TRISULFONIC ACID Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2-NAPHTHYLAMINE-4,6,8-TRISULFONIC ACID
| Industry | Application | Process |
|---|---|---|
| Dyes and Pigments Industry | Synthesis of naphthalene-based dye intermediates | Served as a diazo component or coupling component in diazotization-coupling reactions to produce acid dyes, direct dyes, and reactive dyes (e.g., acid mordant dyes). |
| Fluorescent Whitening Agents Industry | Production of fluorescent whitening agents | Functional groups are introduced via chemical synthesis to manufacture fluorescent whitening agents for detergents, papermaking, and textile applications. |
| Chemical Intermediates | Preparation of naphthalene derivatives | The reactivity of the sulfonic acid group is leveraged in substitution, hydrolysis, or complexation reactions to synthesize more complex fine chemical products. |
Manufacturing Quality Control of 2-NAPHTHYLAMINE-4,6,8-TRISULFONIC ACID
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reversed-phase HPLC with UV detection at 254 nm, based on peak area comparison against a certified reference standard. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration measuring water content via reaction of iodine with sulfur dioxide in a methanol-based solvent system. |
| Residue on Ignition | Gravimetric Analysis | Measurement of non-volatile inorganic residue after high-temperature ashing at 700-800 C, followed by weighing. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification of trace metals by plasma excitation and optical emission spectroscopy, calibrated with matrix-matched standards. |
| Chloride Impurity | Potentiometric Titration | Titration with silver nitrate using a silver indicator electrode to detect endpoint based on AgCl precipitation potential shift. |
| Sulfate Impurity | Barium Sulfate Gravimetry | Precipitation of sulfate as BaSO4 under controlled acidic conditions, followed by filtration, drying, and weighing. |
| pH of Aqueous Solution | Potentiometric pH Measurement | Determination of hydrogen ion activity in a 1% w/v aqueous solution using a calibrated glass electrode pH meter. |
| Organic Impurities (Related Substances) | HPLC-DAD | Separation and identification of structurally related compounds using HPLC with diode-array detection and spectral library matching. |
| Iron Content | AAS | Quantification of Fe by atomic absorption spectroscopy after acid digestion and dilution, using hollow cathode lamp at 248.3 nm. |
| Bulk Density | ASTM D1895 Method A | Measurement of mass per unit volume for freely settled powder in a graduated cylinder under standardized tapping conditions. |
| Particle Size Distribution | Laser Diffraction | Analysis of particle size by measuring angular variation in intensity of laser light scattered by dispersed particles in liquid medium. |
| Sodium Content | Flame Photometry | Quantitative measurement of Na based on characteristic yellow emission intensity (589 nm) when atomized in a propane-air flame. |
Technical Specifications of 2-NAPHTHYLAMINE-4,6,8-TRISULFONIC ACID
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 245-250°C (decomposes) |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
| Solubility | 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 2-NAPHTHYLAMINE-4,6,8-TRISULFONIC ACID
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Safety Information of 2-NAPHTHYLAMINE-4,6,8-TRISULFONIC ACID
| Pictograms |  |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of 2-NAPHTHYLAMINE-4,6,8-TRISULFONIC ACID
Industrial 2-NAPHTHYLAMINE-4,6,8-TRISULFONIC 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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