1,4-ANTHRAQUINONE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 635-12-1 |
| Product name | 1,4-ANTHRAQUINONE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeMaterial GradeSpecialty 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 1,4-ANTHRAQUINONE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1,4-ANTHRAQUINONE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1,4-ANTHRAQUINONE
| Industry | Application | Process |
|---|---|---|
| Dye Industry | Dye Production | Used as a raw material for producing anthraquinone dyes, such as Golden Red and Golden Blue |
| Pharmaceutical Industry | Drug Production | Applied in synthesizing certain pharmaceutical intermediates, which are subsequently used in drug manufacturing |
| Pesticide Industry | Pesticide Production | Employed as an intermediate in pesticide synthesis, including fungicides and insecticides |
| Polymer Materials Industry | Material Modification | Utilized to modify polymer materials to enhance properties such as heat resistance and light stability |
Manufacturing Quality Control of 1,4-ANTHRAQUINONE
| Detection Item | Common Testing Methods | Method Overview |
|---|---|---|
| Purity and Content Determination | High-Performance Liquid Chromatography (HPLC) | Utilizes a C18 column with methanol-water or acetonitrile-water as the mobile phase, detected by UV detector at 254–270 nm. Quantification is performed via external standard or internal standard method, offering high resolution and accuracy, suitable for simultaneous analysis of trace impurities and main components. |
| Purity and Content Determination | Ultraviolet-Visible Spectrophotometry (UV-Vis) | Leverages the characteristic absorption peaks of 1,4-anthraquinone in ethanol or methanol at approximately 258 nm and 288 nm. Concentration is determined using standard curve method. This approach is simple and suitable for rapid screening, but susceptible to interference from impurities. |
| Impurity Profiling Analysis | High-Performance Liquid Chromatography-Mass Spectrometry (HPLC-MS) | Combines HPLC separation with mass spectrometric identification, enabling detection and qualitative analysis of structurally similar impurities such as 1-anthraquinone, 2-anthraquinone, hydroxylated or nitrated derivatives. Offers high sensitivity and is ideal for trace impurity control. |
| Melting Point Determination | Melting Point Instrument Method | Follows procedures outlined in the Chinese Pharmacopoeia or USP. A capillary melting point apparatus is used to determine the melting point (standard melting range for 1,4-anthraquinone is approximately 285–287°C), serving as a preliminary identification and purity assessment tool; impurities typically lower and broaden the melting range. |
| Moisture Content Determination | Karl Fischer Titration (Karl Fischer) | Employs coulometric or volumetric Karl Fischer methods to determine trace moisture content. Ensures product dryness, preventing moisture-related impacts on stability and crystalline form. Widely used in quality control of high-purity organic compounds. |
| Residue on Ignition & Inorganic Impurities | Ignition Residue Test (Charring Residue) | Sample is incinerated at high temperature (500–600°C) until constant weight, and the residual inorganic matter is quantified. Assesses levels of metal ions or inorganic salts, meeting pharmacopoeial requirements for organic residue control. |
| Solubility and Appearance | Visual Inspection + Solubility Test | Examines crystal morphology (yellow to orange needle-like crystals), color uniformity, and solubility behavior in solvents such as ethanol, acetone, and benzene, complying with pharmacopoeial descriptions of physical characteristics. |
| Heavy Metal Residues | Atomic Absorption Spectroscopy (AAS) or ICP-MS | After sample digestion, lead, cadmium, mercury, arsenic, and other heavy metals are quantified using AAS or Inductively Coupled Plasma Mass Spectrometry (ICP-MS), ensuring compliance with ICH Q3D or pharmacopoeial heavy metal limits. |
| Content Uniformity (in Formulations) | HPLC Method (for formulations) | If 1,4-anthraquinone is used as an active pharmaceutical ingredient in dosage forms, content uniformity must be tested according to pharmacopoeial requirements. Multiple samples are extracted and analyzed by HPLC; a relative standard deviation (RSD) ≤10% is considered acceptable. |
Technical Specifications of 1,4-ANTHRAQUINONE
| Test Item | Specification |
|---|---|
| Appearance | Orange crystalline solid |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 284–286°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 1,4-ANTHRAQUINONE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1,4-ANTHRAQUINONE
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Industrial 1,4-ANTHRAQUINONE 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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