Tetrahydroxyquinone Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 319-89-1 |
| Product name | Tetrahydroxyquinone |
| 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 Tetrahydroxyquinone
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Tetrahydroxyquinone Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Tetrahydroxyquinone
| Industry | Application | Process |
|---|---|---|
| Chemical Synthesis | Used as an organic synthesis intermediate for preparing quinone derivatives and functional materials | Produced by oxidation of hydroquinone or its derivatives, then purified for subsequent coupling, cyclization, or coordination reactions |
| Materials Science | Used in the synthesis of conductive polymers and electroactive molecules | Employed as a precursor in electrochemical polymerization or pyrolysis to form redox-active thin films or coatings |
| Analytical Chemistry | Used as a redox indicator or reference standard | Applied as a reference oxidant in electrochemical analysis for electrode potential calibration or detection of reductive substances |
| Pharmaceutical R&D | Serves as a synthetic building block for natural product analogs | Used to construct biologically active quinone scaffolds via multistep functional group transformations, supporting anticancer or antibacterial compound research |
Manufacturing Quality Control of Tetrahydroxyquinone
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification based on peak area comparison against a certified reference standard using reversed-phase chromatography and UV detection at 254 nm. |
| Related Substances | HPLC-DAD | Separation and identification of impurities by retention time and UV spectral matching using diode-array detection. |
| Residual Solvents | GC-FID | Detection and quantification of volatile organic solvents via gas chromatography with flame ionization detection. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration based on the stoichiometric reaction of iodine with water in a pyridine-methanol solvent system. |
| Heavy Metals | ICP-OES | Multi-element quantification of toxic metals (e.g., Pb, Cd, Hg, As) after acid digestion using inductively coupled plasma optical emission spectrometry. |
| Chloride Impurity | Ion Chromatography | Separation and quantification of chloride ions using anion-exchange column and suppressed conductivity detection. |
| Sulfated Ash | Gravimetric Analysis | Determination of inorganic residue after controlled incineration at 700-800 C followed by weighing. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition measurement by observing the temperature range at which solid-to-liquid phase change occurs under controlled heating. |
| Appearance | Visual Inspection | Assessment of physical state, color, and presence of visible particulates or discoloration against established reference standards. |
| pH of Aqueous Solution | pH Meter | Measurement of hydrogen ion activity in a defined aqueous suspension or solution using a calibrated glass electrode system. |
| Loss on Drying | Thermogravimetric Analysis | Mass loss determination after drying at 105 C for 2 hours, reflecting volatile content including residual moisture and solvents. |
| Bulk Density | Graduated Cylinder Method | Calculation of mass per unit volume by measuring the weight of material freely poured into a calibrated cylinder. |
Technical Specifications of Tetrahydroxyquinone
| Test Item | Specification |
|---|---|
| Appearance | Dark red crystalline powder |
| Purity | >=98.5% |
| Melting Point | 240-245°C (decomposes) |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=0.3% |
| Heavy Metals | <=20 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 Tetrahydroxyquinone
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NMR Spectra of Tetrahydroxyquinone
Packaging of Tetrahydroxyquinone
Industrial Tetrahydroxyquinone 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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