4,4'-Thiodibenzenethiol Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 19362-77-7 |
| Product name | 4,4'-Thiodibenzenethiol |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeMaterial GradeElectronic 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 4,4'-Thiodibenzenethiol
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4,4'-Thiodibenzenethiol Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4,4'-Thiodibenzenethiol
| Industry | Application | Process |
|---|---|---|
| Polymers | Used as a crosslinking agent in the vulcanization of rubber or elastomers | Reacts with unsaturated bonds during vulcanization to form a three-dimensional network structure |
| Coatings & Adhesives | Used as a curing agent or crosslinking aid to enhance thermal resistance and mechanical strength of coatings or adhesive layers | Undergoes crosslinking cure via reaction with functional groups such as epoxy or isocyanate |
| Electronic Chemicals | Employed in photoresists or encapsulation materials to improve thermal stability and adhesion | Participates in free-radical polymerization or addition reactions under UV or thermal initiation |
| Pharmaceutical Intermediates | Serves as a building block containing a sulfide bridge for synthesizing biologically active molecules | Introduces the diphenyl sulfide scaffold via nucleophilic substitution or reductive coupling |
Manufacturing Quality Control of 4,4'-Thiodibenzenethiol
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification using reverse-phase HPLC with UV detection at 254 nm, calibrated against certified reference standard. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration measuring water content via iodine-sulfur dioxide reaction in methanol-based solvent. |
| Residue on Ignition | Gravimetric Analysis | Heating sample to 700-800 C to combust organic matter; residue weight expressed as percentage of original sample. |
| Heavy Metals (as Pb) | AAS (Flame or Graphite Furnace) | Atomic absorption spectroscopy after acid digestion and matrix-matched calibration for lead and related metals. |
| Chloride Impurity | Ion Chromatography | Separation and quantification of chloride ions using anion-exchange column with conductivity detection. |
| Sulfate Impurity | ICP-OES | Inductively coupled plasma optical emission spectrometry following microwave-assisted acid digestion. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed visually or via automated detection as solid-to-liquid phase change under controlled heating. |
| Organic Volatile Impurities | GC-FID | Gas chromatography with flame ionization detection to identify and quantify residual solvents and low-boiling impurities. |
| Sulfur Content | Oxidative Combustion followed by IC | Complete combustion to sulfate, followed by ion chromatographic quantification of sulfate anion. |
| Appearance | Visual Inspection | Assessment of physical state, color, and presence of particulates or discoloration against established reference standards. |
| Acid Value | Acid-Base Titration | Neutralization of acidic impurities with standardized KOH ethanol solution using phenolphthalein indicator. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation of plane-polarized light at 20 C using sodium D-line (589 nm) to assess chiral purity or identity. |
Technical Specifications of 4,4'-Thiodibenzenethiol
| Test Item | Specification |
|---|---|
| Appearance | Off white to light yellow powder |
| Purity(GC) | ≥99.0% |
| Water | ≤0.5% |
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 4,4'-Thiodibenzenethiol
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4,4'-Thiodibenzenethiol
Packaging of 4,4'-Thiodibenzenethiol
Industrial 4,4'-Thiodibenzenethiol 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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