N-HYDROXYNAPHTHALIMIDE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 7797-81-1 |
| Product name | N-HYDROXYNAPHTHALIMIDE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeReagent 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 N-HYDROXYNAPHTHALIMIDE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk N-HYDROXYNAPHTHALIMIDE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of N-HYDROXYNAPHTHALIMIDE
| Industry | Application | Process Description |
|---|---|---|
| Chemical Industry | Synthesis of Intermediates | Used as an organic synthesis intermediate for preparing fluorescent compounds and dyes |
| Materials Science | Preparation of Fluorescent Materials | Applied in synthesizing fluorescent materials with specific optical properties |
| Analytical Chemistry | Synthesis of Fluorescent Probes | Employed as a precursor for synthesizing fluorescent probes used in metal ion detection |
| Pharmaceutical Industry | Drug Synthesis Research | Utilized in the synthesis and structural modification of certain bioactive molecules |
Manufacturing Quality Control of N-HYDROXYNAPHTHALIMIDE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at ~254 nm, comparing peak area against a certified reference standard. |
| Related Substances | HPLC-UV | Separation and quantification of impurities (e.g., 1,8-naphthalic anhydride, hydroxylamine derivatives) using gradient HPLC-UV with suitable column and mobile phase. |
| Residual Solvents | GC-FID | Headspace GC with flame ionization detection to quantify volatile organic solvents (e.g., acetone, ethyl acetate, DMF) per ICH Q3C guidelines. |
| Moisture Content | Karl Fischer Titration | Volumetric or coulometric titration based on the stoichiometric reaction of water with iodine and sulfur dioxide in pyridine-free reagent. |
| Heavy Metals | ICP-MS | Multi-element trace metal quantification (e.g., Pb, Cd, As, Hg) after acid digestion, leveraging high sensitivity and low detection limits. |
| Chloride Impurity | Ion Chromatography (IC) | Separation and conductivity detection of chloride ions following aqueous extraction and filtration. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition determination via controlled heating; correlates with crystallinity and absence of significant eutectic impurities. |
| Appearance & Color | Visual Inspection / APHA Color Scale | Subjective assessment of physical state (crystalline powder) and color intensity compared to platinum-cobalt standards. |
| Residue on Ignition | Gravimetric Analysis | Measurement of non-volatile inorganic residue after high-temperature ashing (700–800 °C) and cooling in desiccator. |
| pH of Aqueous Suspension | pH Meter | Measurement of pH in a defined suspension (e.g., 1% w/v in water) to assess acidic/basic degradation products or residual catalysts. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry or wet dispersed sample to determine D10, D50, D90 values, relevant for handling and formulation consistency. |
| Specific Optical Rotation | Polarimetry | Determination of chiral purity and identity confirmation using sodium D-line light through a solution in specified solvent and concentration. |
| Organic Volatile Impurities (N-Nitrosamines) | GC-MS/MS | Selective, sensitive detection of nitrosamine impurities (e.g., N-nitrosohydroxylamine) using isotope-dilution and tandem mass spectrometry. |
| Sulfated Ash | Gravimetric Analysis | Quantification of inorganic sulfate content after ignition with sulfuric acid treatment, per USP <281>. |
Technical Specifications of N-HYDROXYNAPHTHALIMIDE
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.0% (LC-MS) |
| Melting Point | 245–249 °C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
| Identification (NMR) | Consistent with structure |
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 N-HYDROXYNAPHTHALIMIDE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of N-HYDROXYNAPHTHALIMIDE
Packaging of N-HYDROXYNAPHTHALIMIDE
Industrial N-HYDROXYNAPHTHALIMIDE 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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