HYDROXY NAPHTHOL BLUE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 165660-27-5 |
| Product name | HYDROXY NAPHTHOL BLUE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeSpecialty GradeReagent 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) |
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Documents We Provide for HYDROXY NAPHTHOL BLUE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk HYDROXY NAPHTHOL BLUE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of HYDROXY NAPHTHOL BLUE
| Industry | Application | Process |
|---|---|---|
| Dye Industry | Indicator | Used to detect and indicate changes in specific chemical reactions or solution pH |
| Personal Care & Cosmetics Industry | Preservative | Added to cosmetic formulations to inhibit bacterial and fungal growth, thereby extending shelf life |
| Textile Industry | Dyeing Auxiliary | Applied during dyeing to enhance dye uptake and improve color stability |
| Pharmaceutical Industry | Pharmaceutical Ingredient | Used as an active pharmaceutical ingredient (API) or excipient in certain drug formulations |
| Laboratory | Analytical Reagent | Employed as an indicator or reaction reagent in laboratory analytical testing |
Manufacturing Quality Control of HYDROXY NAPHTHOL BLUE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | UV-Vis Spectrophotometry | Measures absorbance at characteristic wavelength to quantify active compound concentration using Beer-Lambert law. |
| Heavy Metals (as Pb) | ICP-OES | Quantifies trace metal impurities by plasma excitation and elemental emission spectroscopy. |
| Chloride Impurity | Ion Chromatography | Separates and quantifies chloride ions based on anion exchange retention and conductivity detection. |
| Sulfate Impurity | Gravimetric Analysis | Precipitates sulfate as BaSO4 and determines mass after drying and weighing. |
| Water Content | Karl Fischer Titration | Electrochemically titrates water with iodine in pyridine/methanol medium using stoichiometric reaction. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic residue after high-temperature ashing at 700-800 C. |
| pH of Aqueous Solution | Potentiometric pH Measurement | Determines hydrogen ion activity using calibrated glass electrode and reference electrode. |
| Organic Volatile Impurities | Gas Chromatography (GC-FID) | Separates and quantifies residual solvents via capillary column and flame ionization detection. |
| Particle Size Distribution | Laser Diffraction | Analyzes scattered laser light intensity to calculate size distribution of solid particles in suspension. |
| Color (APHA) | Visual Comparison or Photometric Method | Compares sample solution color against standardized platinum-cobalt scale using spectrophotometer or visual comparator. |
| Solubility in Water | Gravimetric Dissolution Test | Measures undissolved residue after defined agitation, filtration, and drying of saturated aqueous solution. |
| Microbial Contamination | Membrane Filtration and Plate Count | Captures microorganisms on filter membrane, then cultivates on agar media for colony enumeration. |
Technical Specifications of HYDROXY NAPHTHOL BLUE
| Test Item | Specification |
|---|---|
| Appearance | Dark blue to purple crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.3% |
| Melting Point | 245-250 °C (decomposes) |
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 HYDROXY NAPHTHOL BLUE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of HYDROXY NAPHTHOL BLUE
Packaging of HYDROXY NAPHTHOL BLUE
Industrial HYDROXY NAPHTHOL BLUE 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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