1-NAPHTHOL-3,8-DISULFONIC ACID Bulk Supply for Industrial Use
China Factory Direct
 |
|
| CAS number | 117-43-1 |
| Product name | 1-NAPHTHOL-3,8-DISULFONIC ACID |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeSpecialty GradeCosmetic GradeFood 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) |
QUOTE TYPE
PACKAGING TYPE
TOTAL QUANTITY(KG)
PREFERRED SHIPPING METHOD
YOUR COMPANY
YOUR E-MAIL
Calculate Summary
Based on current marketvolatility and material availability.
Documents We Provide for 1-NAPHTHOL-3,8-DISULFONIC ACID
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1-NAPHTHOL-3,8-DISULFONIC ACID Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1-NAPHTHOL-3,8-DISULFONIC ACID
| Industry | Application | Process |
|---|---|---|
| Dye Industry | Intermediate for synthesizing organic dyes | Prepared via sulfonation and hydroxylation of naphthalene |
| Fragrance Industry | Intermediate for synthesizing fragrance compounds | Hydroxyl and sulfonic acid groups introduced via chemical synthesis |
| Pharmaceutical Industry | Intermediate for drug synthesis | Used in structural modification and synthesis of certain drug molecules |
| Organic Synthesis | Intermediate for synthesizing other organic compounds | Specific functional groups introduced via substitution or condensation reactions |
Manufacturing Quality Control of 1-NAPHTHOL-3,8-DISULFONIC ACID
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reversed-phase HPLC with UV detection at 254 nm, calibrated against certified reference standard. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration measuring water content based on iodine-sulfur dioxide reaction in anhydrous methanol medium. |
| Residue on Ignition | Gravimetric Analysis | Heating sample to 700-800 C to combust organic matter; residue mass measured as inorganic ash content. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals after acid digestion by flame or graphite furnace AAS using lead-specific hollow cathode lamp. |
| Sulfated Ash | Gravimetric Analysis | Sample ignited after sulfuric acid treatment; residual inorganic sulfate salts weighed as ash. |
| Chloride Impurity | Potentiometric Titration | Titration with silver nitrate using silver indicator electrode to detect endpoint of chloride precipitation as AgCl. |
| pH of Aqueous Solution | pH Meter Measurement | Measurement of hydrogen ion activity in a 1% w/v aqueous suspension using calibrated pH meter with glass electrode. |
| Organic Impurities (Related Substances) | HPLC-DAD | Separation and detection of structurally related impurities using HPLC with diode array detection and comparison to reference standards. |
| Iron Content | ICP-OES | Quantification of iron after microwave-assisted acid digestion using inductively coupled plasma optical emission spectrometry. |
| Sulfur Content | Combustion IC | High-temperature combustion followed by infrared detection of SO2 to determine total sulfur content. |
| Bulk Density | USP <616> Tap Density Method | Measurement of mass per unit volume after controlled tapping of sample in a graduated cylinder. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity to determine size distribution of dry powder sample. |
Technical Specifications of 1-NAPHTHOL-3,8-DISULFONIC 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 | <=20 ppm |
| Residue on Ignition | <=0.3% |
| Color (APHA/Pt-Co) | <=100 |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
|
|
Download COA of 1-NAPHTHOL-3,8-DISULFONIC ACID
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Safety Information of 1-NAPHTHOL-3,8-DISULFONIC ACID
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 1-NAPHTHOL-3,8-DISULFONIC ACID
Industrial 1-NAPHTHOL-3,8-DISULFONIC 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.
Use Bulk
Supply Factory
Direct ISO 9001
Certified Samples
Available Stable
Supply