1-Nitroso-2-naphthol Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 131-91-9 |
| Product name | 1-Nitroso-2-naphthol |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial 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-Nitroso-2-naphthol
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1-Nitroso-2-naphthol Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1-Nitroso-2-naphthol
| Industry | Application | Process |
|---|---|---|
| Analytical Chemistry | Used as a colorimetric reagent and extraction agent for metal ions (e.g., cobalt, nickel, copper) | Forms colored complexes with target metal ions in colorimetric or spectrophotometric analysis for qualitative or quantitative determination |
| Metallurgical Industry | Used for metal separation and purification | Acts as a selective chelating agent in solvent extraction processes to isolate specific metals (e.g., cobalt) from mixed-metal solutions |
| Chemical Synthesis | Used as an organic synthesis intermediate | Participates in the synthesis pathways of azo dyes, pharmaceuticals, or agrochemicals, providing nitroso or naphthol structural units |
| Dye Industry | Used in the synthesis of specific azo dyes or pigments | Converted into dye products with defined fastness properties and hue via diazotization or coupling reactions |
Manufacturing Quality Control of 1-Nitroso-2-naphthol
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reversed-phase HPLC with UV detection at 280-320 nm, comparing peak area against a certified reference standard. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration based on the reaction of iodine with water in a methanol-based reagent, measuring endpoint potentiometrically. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition measurement by observing solid-to-liquid phase change in a capillary tube under controlled heating rate. |
| Residue on Ignition | Gravimetric Analysis | Heating sample to 750-800 C in a platinum crucible, then weighing inorganic residue after cooling in a desiccator. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals after wet digestion, using flame or graphite furnace AAS with lead-specific hollow cathode lamp. |
| Chloride Impurity | Ion Chromatography (IC) | Separation and quantification of chloride ions on an anion-exchange column with suppressed conductivity detection. |
| Sulfate Impurity | Barium Sulfate Gravimetry | Precipitation of sulfate as BaSO4 in acidic medium, followed by filtration, drying, and weighing of the precipitate. |
| Organic Volatile Impurities | Gas Chromatography (GC-FID) | Separation and detection of residual solvents or volatile impurities using capillary GC with flame ionization detection. |
| Iron Content | Colorimetric Assay (1,10-Phenanthroline) | Reduction of Fe3+ to Fe2+, complexation with 1,10-phenanthroline, and spectrophotometric measurement at 510 nm. |
| pH of Aqueous Suspension | Potentiometric pH Measurement | Measurement of pH in a defined suspension (e.g., 1% w/v in water) using calibrated glass electrode and pH meter. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity from dispersed particles to calculate size distribution based on Mie theory. |
| Solubility in Common Solvents | Visual Qualitative Test | Observation of complete dissolution or suspension formation in standardized volumes of water, ethanol, acetone, and toluene at 25 C. |
Technical Specifications of 1-Nitroso-2-naphthol
| Test Item | Specification |
|---|---|
| Appearance | Yellow-brown solid |
| Purity | >=98.5% (GC-MS) |
| Melting Point | 142–146°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=20 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-Nitroso-2-naphthol
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1-Nitroso-2-naphthol
Packaging of 1-Nitroso-2-naphthol
Industrial 1-Nitroso-2-naphthol 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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