Dibenzothiophene Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 132-65-0 |
| Product name | Dibenzothiophene |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeReagent GradeIndustrial 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 Dibenzothiophene
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Dibenzothiophene Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Dibenzothiophene
| Industry | Application | Process |
|---|---|---|
| Petroleum Refining | Used as a model compound for studying hydrodesulfurization (HDS) reaction kinetics and evaluating catalyst performance | Hydrogenated with cobalt-molybdenum/alumina catalysts in autoclaves or fixed-bed reactors to simulate the conversion of refractory sulfur compounds in diesel fractions |
| Organic Synthesis | Serves as a starting material for synthesizing polycyclic aromatic hydrocarbon derivatives, functional materials, and pharmaceutical intermediates | Undergoes lithiation–electrophilic substitution, Suzuki coupling, oxidation, and other reactions to construct sulfur-containing heterocyclic structures |
| Materials Science | Functions as a structural building block for organic semiconductors and optoelectronic functional materials, employed in fabricating organic field-effect transistors (OFETs) and organic light-emitting diodes (OLEDs) | After functionalization—e.g., bromination or boronic esterification—participates in cross-coupling reactions to build conjugated polymers or small-molecule emissive materials |
| Analytical Chemistry | Used as a certified reference material for calibrating gas chromatography–mass spectrometry (GC-MS) or liquid chromatography–tandem mass spectrometry (LC-MS/MS) methods to detect sulfur compounds in petroleum products | Prepared as a series of standard solutions at defined concentrations to establish and validate quantitative analytical methods |
Manufacturing Quality Control of Dibenzothiophene
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID | Quantifies DBT content by retention time and peak area against calibrated standards. |
| Water Content | Karl Fischer Titration | Measures water via coulometric or volumetric titration with iodine-based reagent. |
| Residue on Ignition | Gravimetric Analysis | Determines inorganic ash content after high-temperature incineration and weighing. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Detects trace metal impurities by atomic absorption of specific wavelengths. |
| Sulfur Content | High-Resolution Combustion Elemental Analyzer | Oxidizes sample and measures SO2 by IR detection to calculate total sulfur. |
| Melting Point | Capillary Melting Point Apparatus | Determines phase transition temperature using controlled heating and visual observation. |
| Appearance | Visual Inspection | Assesses physical state, color, and presence of visible particulates or discoloration. |
| Acid Value | Acid-Base Titration with NaOH | Neutralizes acidic impurities using standardized sodium hydroxide solution. |
| Chlorinated Impurities | Gas Chromatography-Mass Spectrometry (GC-MS) | Identifies and quantifies chlorinated aromatic contaminants by mass spectral fragmentation. |
| Volatile Impurities | Headspace Gas Chromatography (HS-GC) | Detects low-boiling residual solvents or volatiles via equilibrium vapor analysis. |
| Particle Size Distribution | Laser Diffraction | Measures size distribution of solid particles based on light scattering patterns. |
| Specific Optical Rotation | Polarimetry | Determines optical activity using plane-polarized light rotation in solution. |
Technical Specifications of Dibenzothiophene
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.5% (GC-MS) |
| Melting Point | 67–69°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| 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
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Download COA of Dibenzothiophene
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Dibenzothiophene
Packaging of Dibenzothiophene
Industrial Dibenzothiophene 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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