5,8-Dihydroxy-1,4-naphthoquinone Bulk Supply for Industrial Use
China Factory Direct
 |
|
| CAS number | 475-38-7 |
| Product name | 5,8-Dihydroxy-1,4-naphthoquinone |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeIndustrial GradeSpecialty Grade |
| Packaging | 5KG/bag25KG/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) |
QUOTE TYPE
PACKAGING TYPE
TOTAL QUANTITY(KG)
PREFERRED SHIPPING METHOD
YOUR COMPANY
YOUR E-MAIL
Calculate Summary
Based on current marketvolatility and material availability.
Documents We Provide for 5,8-Dihydroxy-1,4-naphthoquinone
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 5,8-Dihydroxy-1,4-naphthoquinone Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 5,8-Dihydroxy-1,4-naphthoquinone
| Industry | Application | Process |
|---|---|---|
| Dye Industry | Synthesis of dye intermediates | Oxidation, coupling reactions |
| Pharmaceutical Industry | Preparation of pharmaceutical intermediates | Nitration, reduction reactions |
| Pesticide Industry | Synthesis of pesticide raw materials | Acylation, condensation reactions |
| Organic Synthesis | Laboratory reagent | Various organic reactions (e.g., substitution, cyclization) |
Manufacturing Quality Control of 5,8-Dihydroxy-1,4-naphthoquinone
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies naphthoquinone content using reversed-phase chromatography with UV detection at 254 nm. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid naphthoquinone transitions to liquid, indicating purity and identity. |
| Loss on Drying | Gravimetric (105 C, 2 h) | Measures mass loss after drying to assess volatile impurities and residual solvents. |
| Residue on Ignition | Sulfated Ash Gravimetry | Evaluates inorganic residue remaining after high-temperature combustion of organic matrix. |
| Heavy Metals (as Pb) | AAS (Flame or Graphite Furnace) | Quantifies total heavy metals by atomic absorption spectroscopy after acid digestion and chelation. |
| Chloride Impurity | Potentiometric Titration with AgNO3 | Measures chloride ions via argentometric titration using silver nitrate and a silver indicator electrode. |
| Sulfate Impurity | Gravimetric (BaSO4 Precipitation) | Determines sulfate as insoluble barium sulfate after precipitation and weighing. |
| Related Substances | HPLC-DAD | Identifies and quantifies structurally similar impurities using diode-array detection and retention time comparison. |
| Water Content | Karl Fischer Titration | Determines trace water by coulometric or volumetric titration with iodine-based reagent. |
| Organic Volatile Impurities | GC-FID | Detects and quantifies residual solvents using gas chromatography with flame ionization detection. |
| Appearance | Visual Inspection | Assesses physical state, color, and presence of foreign particles against established reference standards. |
| pH of Aqueous Suspension | pH Meter Measurement | Measures hydrogen ion activity in a standardized water suspension to detect acidic/basic degradation products. |
Technical Specifications of 5,8-Dihydroxy-1,4-naphthoquinone
| Test Item | Specification |
|---|---|
| Appearance | Brown solid |
| Purity | >=98.5% (by LC-MS) |
| Melting Point | 163–167°C |
| Total Impurities | <=1.0% |
| Single Impurity | <=0.3% |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.1% |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
|
|
Download COA of 5,8-Dihydroxy-1,4-naphthoquinone
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 5,8-Dihydroxy-1,4-naphthoquinone
Safety Information of 5,8-Dihydroxy-1,4-naphthoquinone
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 5,8-Dihydroxy-1,4-naphthoquinone
Industrial 5,8-Dihydroxy-1,4-naphthoquinone 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.
Use Bulk
Supply Factory
Direct ISO 9001
Certified Samples
Available Stable
Supply