Dibenzothiophene-5-oxide Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1013-23-6 |
| Product name | Dibenzothiophene-5-oxide |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Electronic GradeMaterial 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 Dibenzothiophene-5-oxide
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Dibenzothiophene-5-oxide Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Dibenzothiophene-5-oxide
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Key structural building block for synthesizing antiviral agents and kinase inhibitors | Serves as a sulfoxide precursor for aromatic ring modification, participating in heterocyclic scaffold construction via Suzuki coupling, Mitsunobu reactions, and related transformations |
| Organic Optoelectronic Materials | Building block for electron-transport layers or host materials in organic light-emitting diodes (OLEDs) | Enables energy-level tuning through oxidation; applied in the preparation of thermally activated delayed fluorescence (TADF) emitters and phosphorescent hosts |
| Analytical Chemistry | Reference standard for trace analysis of sulfur-containing polycyclic aromatic hydrocarbons (e.g., dibenzothiophenes) in environmental samples | Used as a calibration reference material in gas chromatography–mass spectrometry (GC-MS) or liquid chromatography–tandem mass spectrometry (LC-MS/MS) |
Manufacturing Quality Control of Dibenzothiophene-5-oxide
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component using reverse-phase chromatography with UV detection at 254 nm based on peak area comparison against reference standard. |
| Related Substances | HPLC-DAD | Detects and quantifies impurities by chromatographic separation coupled with diode array detection for spectral confirmation. |
| Residual Solvents | GC-FID | Separates and quantifies volatile organic solvents using gas chromatography with flame ionization detection against calibrated standards. |
| Water Content | Karl Fischer Titration | Measures water via coulometric or volumetric titration where iodine reacts stoichiometrically with water in a pyridine-methanol solvent system. |
| Heavy Metals | ICP-MS | Quantifies trace metal contaminants (e.g., Pb, Cd, Hg, As) after acid digestion using inductively coupled plasma mass spectrometry. |
| Chloride Content | Ion Chromatography | Separates and quantifies chloride ions using anion-exchange column with suppressed conductivity detection. |
| Sulfate Content | Ion Chromatography | Separates and quantifies sulfate ions using anion-exchange column with suppressed conductivity detection. |
| Appearance | Visual Inspection | Assesses physical state, color, and presence of visible particulates or foreign matter under controlled white light against established reference. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid using capillary tube method per USP <741>. |
| Loss on Drying | Gravimetric Analysis | Measures weight loss after drying at specified temperature and time to determine volatile and moisture content. |
| Residue on Ignition | Gravimetric Analysis | Quantifies inorganic residue remaining after high-temperature ashing of sample in a platinum crucible. |
| pH of Aqueous Suspension | pH Meter | Measures hydrogen ion activity in a defined suspension (e.g., 1% w/v in water) using calibrated pH electrode. |
Technical Specifications of Dibenzothiophene-5-oxide
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.5% (by GC-MS) |
| Melting Point | 124–127 °C |
| Total Impurities | <=1.5% (by GC-MS) |
| Single Impurity | <=0.5% (by GC-MS) |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Identification (IR) | Consistent with structure |
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-5-oxide
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Dibenzothiophene-5-oxide
Packaging of Dibenzothiophene-5-oxide
Industrial Dibenzothiophene-5-oxide 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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