5-Amino-1-naphthol Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 83-55-6 |
| Product name | 5-Amino-1-naphthol |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeElectronic GradeMaterial GradeIndustrial 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 5-Amino-1-naphthol
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 5-Amino-1-naphthol Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 5-Amino-1-naphthol
| Industry | Application | Process |
|---|---|---|
| Dye Industry | Synthesis of naphthalene-based dye intermediates | Used in the preparation of azo dyes via diazotization and coupling reactions |
| Pharmaceutical Industry | Synthesis of pharmaceutical intermediates | Applied in the synthesis of active pharmaceutical ingredients such as anti-inflammatory agents and antioxidants |
| Photographic Materials | Component of developing agents | Participates in the chemical development process of black-and-white photographic films |
| Organic Synthesis | General-purpose organic synthesis intermediate | Used to construct aromatic amine structures and participate in electrophilic substitution or coupling reactions |
| Fine Chemicals | Preparation of functional material additives | Applied to modify polymer properties or serve as stabilizers |
Manufacturing Quality Control of 5-Amino-1-naphthol
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification using reversed-phase HPLC with UV detection at 254 nm, based on external standard calibration. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration measuring water content via iodine-sulfur dioxide reaction in methanol-based solvent. |
| Residue on Ignition | Gravimetric Analysis | Weight loss measurement after high-temperature ashing to determine inorganic impurities. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantitative determination of total heavy metals by flame or graphite furnace AAS after acid digestion. |
| Chloride Impurity | Ion Chromatography (IC) | Separation and quantification of chloride anions using suppressed conductivity detection. |
| Sulfate Impurity | Barium Sulfate Gravimetry | Precipitation of sulfate as BaSO4 followed by gravimetric determination of residue mass. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition measurement using calibrated capillary apparatus per USP/Ph. Eur. guidelines. |
| Organic Volatile Impurities | Gas Chromatography (GC-FID) | Separation and detection of residual solvents using flame ionization detection. |
| Color (APHA) | Visual Comparison or Spectrophotometric Method | Comparison of sample solution color against APHA platinum-cobalt standards at specified concentration and path length. |
| pH of Aqueous Solution | Potentiometric pH Measurement | Determination of hydrogen ion activity in saturated aqueous solution using calibrated pH electrode. |
| Related Substances | HPLC-DAD | Identification and quantification of structurally related impurities using diode array detection and retention time matching. |
| Bulk Density | Tap Density Measurement | Determination of mass per unit volume after standardized tapping of a known powder mass in a graduated cylinder. |
Technical Specifications of 5-Amino-1-naphthol
| Test Item | Specification |
|---|---|
| Appearance | Purple crystalline solid |
| Purity | >=98.0% (HPLC) |
| Melting Point | 254-258°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 ppm |
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 5-Amino-1-naphthol
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 5-Amino-1-naphthol
Packaging of 5-Amino-1-naphthol
Industrial 5-Amino-1-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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