3-Hydroxy-N-naphthalen-1-ylnaphthalene-2-carboxamide Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 132-68-3 |
| Product name | 3-Hydroxy-N-naphthalen-1-ylnaphthalene-2-carboxamide |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeSpecialty 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 3-Hydroxy-N-naphthalen-1-ylnaphthalene-2-carboxamide
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3-Hydroxy-N-naphthalen-1-ylnaphthalene-2-carboxamide Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3-Hydroxy-N-naphthalen-1-ylnaphthalene-2-carboxamide
| Industry | Application | Process |
|---|---|---|
| Dye Manufacturing | Intermediate for azo dye synthesis | Used to couple with diazo components to produce red or purple insoluble azo dyes, applied in dyeing cotton, linen, and other cellulosic fibers |
| Textile Manufacturing | Cotton fabric dyeing | Employed as a component of ice dye systems; pigment is formed directly on the fiber via a two-step padding-developing process, suitable for deep red and jujube-red shades |
| Printing & Dyeing | Developing agent for ice dyes | Reacted with diazonium salts at low temperature to effect in-situ coupling and color development on fabric, enhancing color fastness and brightness |
Manufacturing Quality Control of 3-Hydroxy-N-naphthalen-1-ylnaphthalene-2-carboxamide
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination based on peak area comparison with a certified reference standard using reversed-phase chromatography and UV detection at 254 nm. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration measuring water content via reaction of iodine with sulfur dioxide in the presence of water and a base. |
| Ash Content | Gravimetric Analysis | Residue mass after incineration at 550-600 C, expressed as percentage of original sample weight. |
| Chloride Impurity | Potentiometric Titration with AgNO3 | Titration with silver nitrate using a silver indicator electrode; endpoint detected by potential change due to AgCl precipitation. |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-OES | Multi-element quantification after acid digestion, based on element-specific atomic emission intensities in high-temperature plasma. |
| pH of Aqueous Suspension | pH Meter Measurement | Measurement of hydrogen ion activity in a standardized aqueous slurry (e.g., 1% w/v) using calibrated glass electrode pH meter. |
| Particle Size Distribution | Laser Diffraction | Analysis of light scattering pattern from dispersed particles to calculate size distribution based on Mie theory. |
| Organic Volatile Impurities | GC-FID | Separation and quantification of residual solvents and volatile organics using capillary gas chromatography with flame ionization detection. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition detection by observing solid-to-liquid phase change in a capillary tube under controlled heating rate. |
| Bulk Density | Graduated Cylinder Method | Mass per unit volume measured by gently pouring sample into a calibrated cylinder and recording settled volume. |
| Color (APHA) | Visual Comparison or Spectrophotometer | Comparison of solution color intensity against platinum-cobalt standards or measurement of absorbance at specified wavelength (e.g., 430 nm). |
| Sulfated Ash | Gravimetric Analysis | Residue mass after incineration with sulfuric acid treatment, representing inorganic sulfate-forming impurities. |
Technical Specifications of 3-Hydroxy-N-naphthalen-1-ylnaphthalene-2-carboxamide
| Test Item | Specification |
|---|---|
| Appearance | White to light gray to light orange powder or crystals |
| Purity | >=98.0% (HPLC) |
| Melting Point | 195.0–199.0 °C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=0.3% |
| Heavy Metals | <=20 ppm (as Pb) |
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 3-Hydroxy-N-naphthalen-1-ylnaphthalene-2-carboxamide
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 3-Hydroxy-N-naphthalen-1-ylnaphthalene-2-carboxamide
Safety Information of 3-Hydroxy-N-naphthalen-1-ylnaphthalene-2-carboxamide
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 3-Hydroxy-N-naphthalen-1-ylnaphthalene-2-carboxamide
Industrial 3-Hydroxy-N-naphthalen-1-ylnaphthalene-2-carboxamide 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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