Thianthrene Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 92-85-3 |
| Product name | Thianthrene |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeIndustrial GradeSpecialty 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 Thianthrene
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Thianthrene Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Thianthrene
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Used in drug synthesis | Synthesized via multi-step reactions, including oxidation and reduction |
| Pesticides | Used as fungicides and insecticides | Prepared via condensation reaction between haloalkanes and aromatic amines |
| Dyes | Used in dye intermediate production | Involves high-temperature coupling reactions with catalysts |
Manufacturing Quality Control of Thianthrene
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Identification | Infrared Spectroscopy (IR) | Identifies the chemical structure by comparing characteristic absorption peaks of thianthrene in the infrared region. |
| Nuclear Magnetic Resonance Spectroscopy (NMR) | Confirms structural authenticity by analyzing chemical shifts and coupling constants of hydrogen or carbon atoms using ¹H-NMR or ¹³C-NMR. | |
| Assay | High-Performance Liquid Chromatography (HPLC) | Uses a reversed-phase column (e.g., C18) with a UV detector to quantify the main thianthrene component based on retention time and peak area, offering high sensitivity and accuracy. |
| Ultraviolet-Visible Spectrophotometry (UV-Vis) | Performs quantitative analysis based on Lambert-Beer’s law using the characteristic absorption of thianthrene at specific wavelengths (e.g., around 254 nm or 280 nm). | |
| Related Substances (Impurities) | High-Performance Liquid Chromatography (HPLC) | Separates the main component from impurities using gradient elution to detect degradation products or synthetic by-products, evaluating purity and impurity limits. |
| Residual Solvents | Gas Chromatography (GC) | Detects residual organic solvents (e.g., methanol, ethanol, acetone, dichloromethane) that may remain during production, in compliance with pharmacopoeial requirements for residual solvents. |
| Water Content | Karl Fischer Titration | Accurately measures water content in the sample, suitable for raw material quality control to prevent stability issues due to hygroscopicity. |
| Crystalline Form Analysis | X-ray Powder Diffraction (XRD) | Analyzes diffraction patterns of different crystalline forms of thianthrene to identify polymorphism and ensure batch-to-batch consistency. |
| Particle Size Distribution | Laser Diffraction Particle Size Analysis | Measures the particle size distribution of thianthrene raw material, which affects solubility, bioavailability, and pharmaceutical processing performance. |
| Melting Point | Melting Point Determination | Uses a melting point apparatus to determine the melting temperature range of thianthrene as an auxiliary physical property for identification. |
Technical Specifications of Thianthrene
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.5% (GC-MS) |
| Melting Point | 79–82°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Conforms to reference standard |
| Residue on Ignition | <=0.1% |
| Odor | Characteristic sulfurous odor |
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 Thianthrene
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Thianthrene
Packaging of Thianthrene
Industrial Thianthrene 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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