1,8-Dihydroxy-4,5-dinitroanthraquinone Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 81-55-0 |
| Product name | 1,8-Dihydroxy-4,5-dinitroanthraquinone |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeReagent 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 1,8-Dihydroxy-4,5-dinitroanthraquinone
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1,8-Dihydroxy-4,5-dinitroanthraquinone Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1,8-Dihydroxy-4,5-dinitroanthraquinone
| Industry | Application | Process |
|---|---|---|
| Textile Industry | Dye Intermediate | Used in the synthesis of anthraquinone dyes |
| Printing Industry | Pigment Intermediate | Applied in the preparation of organic pigments |
| Pharmaceutical Industry | Pharmaceutical Synthesis Intermediate | Used in the synthesis of antitumor agents |
| Analytical Chemistry | Analytical Reagent | Used in photometric analysis and colorimetric determination |
Manufacturing Quality Control of 1,8-Dihydroxy-4,5-dinitroanthraquinone
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reversed-phase HPLC with UV detection at ~450 nm, based on peak area comparison against certified reference standard. |
| Related Substances (Impurities) | HPLC-DAD or HPLC-MS | Separation and identification/quantification of structurally related impurities (e.g., mono-nitro, tri-nitro, or hydrolysis products) using gradient elution and spectral/mass confirmation. |
| Moisture Content | Karl Fischer Titration (Coulometric) | Electrochemical titration quantifying water content via iodine generation and stoichiometric reaction with sample water. |
| Residue on Ignition (Sulfated Ash) | Gravimetric Analysis (Weight Loss on Ignition) | Incineration at 700–800 °C followed by weighing of inorganic residue after sulfuric acid treatment. |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-MS or ICP-OES | Multi-element quantification after acid digestion, based on elemental ion signal intensity (ICP-MS) or atomic emission intensity (ICP-OES). |
| Chloride Content | Ion Chromatography (IC) or Potentiometric Titration | Anion separation and quantification via conductivity detection (IC), or argentometric titration with AgNO₃ endpoint detection. |
| Particle Size Distribution | Laser Diffraction | Analysis of light scattering pattern from dispersed particles to calculate volume-based size distribution (D10, D50, D90). |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition detection via optical observation of solid-to-liquid phase change under controlled heating rate. |
| Organic Volatile Impurities (Residual Solvents) | GC-FID | Headspace or direct injection GC analysis with flame ionization detection for common solvents (e.g., DMF, dichlorobenzene, toluene). |
| Color Value (APHA/Hazen) | UV-Vis Spectrophotometry | Measurement of absorbance at specified wavelength (e.g., 430 nm) in solution, correlated to standardized platinum-cobalt color scale. |
| Bulk Density | ASTM D1895 Method A (Tapped Density) | Gravimetric determination of mass per unit volume after mechanical tapping of a graduated cylinder containing the sample. |
| pH of Aqueous Suspension | pH Meter (with calibrated electrode) | Measurement of hydrogen ion activity in a defined suspension (e.g., 1% w/v in water) using glass electrode pH meter. |
| Specific Optical Rotation | [α]D | Polarimetric measurement of rotation angle of plane-polarized light at 589 nm, indicating chiral purity (if applicable; note: compound is achiral, but method included for batch consistency verification of potential chiral contaminants). |
Technical Specifications of 1,8-Dihydroxy-4,5-dinitroanthraquinone
| Test Item | Specification |
|---|---|
| Appearance | Red crystalline solid |
| Purity | >=98.0% (LC-MS) |
| Melting Point | 275–279°C |
| Total Impurities | <=2.0% |
| 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 1,8-Dihydroxy-4,5-dinitroanthraquinone
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1,8-Dihydroxy-4,5-dinitroanthraquinone
Safety Information of 1,8-Dihydroxy-4,5-dinitroanthraquinone
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 1,8-Dihydroxy-4,5-dinitroanthraquinone
Industrial 1,8-Dihydroxy-4,5-dinitroanthraquinone 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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