DIPHENYL DISULFIDE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 882-33-7 |
| Product name | DIPHENYL DISULFIDE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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 DIPHENYL DISULFIDE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk DIPHENYL DISULFIDE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of DIPHENYL DISULFIDE
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Industry | Pharmaceutical intermediate for synthesizing cephalosporin antibiotics (e.g., ceftriaxone, cefoperazone) and phenylthiourea derivatives | Used to construct disulfide bonds or introduce phenylthio groups in drug molecules |
| Agrochemical Industry | Fungicide intermediate for synthesizing organosulfur fungicides such as isoprothiolane | Serves as a sulfur source or structural building block in organic synthesis reactions |
| Rubber Industry | Vulcanization accelerator and vulcanizing agent (e.g., synthesis of dibenzothiazole disulfide derivatives) | Participates in rubber vulcanization crosslinking reactions to enhance tensile strength and heat resistance |
| Polymer Materials | Thermal stabilizer for polymers such as polyvinyl chloride (PVC) | Decomposes upon heating to release active sulfur, which scavenges free radicals generated during polymer degradation |
| Fine Chemicals | Organic synthesis reagent for preparing sulfur-containing organic compounds, fragrances, and dyes | Enables specific functional group transformations via reduction or cleavage of disulfide bonds |
| Petroleum Industry | Lubricating oil additive and metal passivator | Added to lubricants to provide anti-wear, antioxidant, or metal corrosion inhibition properties |
Manufacturing Quality Control of DIPHENYL DISULFIDE
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Purity | High-Performance Liquid Chromatography (HPLC) | Uses a reversed-phase column with methanol/water or acetonitrile/water as the mobile phase, and a UV detector (e.g., 254 nm) for quantification of the main component's purity. Suitable for high sensitivity and high-resolution analysis. |
| Content Determination | Gas Chromatography (GC) | Uses a capillary column (e.g., DB-5), FID detector, and internal standard for quantitative analysis, suitable for precise determination of volatile organic sulfides. |
| Impurity Analysis | GC-MS or LC-MS | Uses mass spectrometry for impurity structure identification and semi-quantitative analysis, capable of identifying synthetic by-products (e.g., phenothiol, oxidation products) and unknown impurities. |
| Appearance and Color | Visual Color Comparison | Observe the sample color under standard lighting conditions (should be colorless to light yellow liquid) and compare it with standard color comparison solutions to determine if it meets quality requirements. |
| Melting Point / Boiling Point | Capillary Melting Point Apparatus / Distillation | Determine physical constants (literature value: boiling point around 304–306°C), used for preliminary judgment of substance consistency and purity. |
| Sulfur Content | Elemental Analysis (EA) or Oxygen Bottle Combustion-Iodimetry | Determine sulfur percentage directly using an elemental analyzer, or quantify total sulfur after oxygen bottle combustion via iodometric titration, verifying molecular structure integrity. |
| Moisture | Karl Fischer Titration | Determine trace moisture using either volumetric or coulometric methods, ensuring product dryness meets storage and reaction requirements (typically <0.1%). |
| Density | Hydrometer Method or Pycnometer Method | Determine density at 20°C or 25°C (literature value around 1.2 g/cm³), assisting in confirming substance identity and batch consistency. |
| Refractive Index | Abbe Refractometer | Determine refractive index at a specific temperature (e.g., n²⁰D ≈ 1.64), serving as one of the physical property reference indicators. |
| Heavy Metal Residue | ICP-MS or Atomic Absorption Spectroscopy | Detect residual amounts of harmful metals such as lead, arsenic, and mercury, ensuring compliance with safety standards for pharmaceutical or industrial raw materials (e.g., <10 ppm). |
Technical Specifications of DIPHENYL DISULFIDE
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 68–72°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| 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 DIPHENYL DISULFIDE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of DIPHENYL DISULFIDE
Packaging of DIPHENYL DISULFIDE
Industrial DIPHENYL DISULFIDE 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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