2,2'-Diaminodiphenyl disulphide Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1141-88-4 |
| Product name | 2,2'-Diaminodiphenyl disulphide |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeReagent 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 2,2'-Diaminodiphenyl disulphide
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2,2'-Diaminodiphenyl disulphide Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2,2'-Diaminodiphenyl disulphide
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Building block for synthesizing active molecules, including antitumor agents and protein kinase inhibitors | Serves as a multifunctional synthon containing disulfide and o-phenylenediamine motifs, participating in cyclization, coupling, and coordination reactions |
| Materials Science | Preparation of organic optoelectronic materials and metal–organic framework (MOF) ligands | Forms Schiff bases via condensation of amine groups with aldehydes/ketones, or constructs functionalized polymers or coordination networks through oxidation/coordination of thiol groups |
| Analytical Chemistry | Precursor for recognition moieties in fluorescent probes targeting metal ions (e.g., Cu²⁺, Hg²⁺) | After derivatization with fluorophores, enables selective chelation and signal response via synergistic action of ortho-amino and disulfide groups |
Manufacturing Quality Control of 2,2'-Diaminodiphenyl disulphide
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification using reversed-phase HPLC with UV detection at 254 nm, comparing peak area to a certified reference standard. |
| Related Substances | HPLC-UV | Separation and detection of impurities by HPLC-UV; identification and quantification against reference standards or threshold-based reporting. |
| Residual Solvents | GC-FID | Headspace GC with flame ionization detection to quantify volatile organic solvents based on retention time and calibration curves. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine generation in pyridine-methanol medium to determine trace water content. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element detection after acid digestion; quantification via emission intensity at characteristic wavelengths relative to calibration standards. |
| Chloride Impurity | Ion Chromatography | Separation of anions on anion-exchange column with conductivity detection; quantification using chloride standard calibration. |
| Sulfate Impurity | Ion Chromatography | Anion separation and conductivity detection; quantified against sulfate standard calibration curve. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed visually or automatically as solid-to-liquid phase change under controlled heating rate. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity against established reference samples under standardized lighting conditions. |
| Residue on Ignition | Gravimetric Analysis | Weighing residue remaining after high-temperature ashing (700-800 C) to determine inorganic ash content. |
| pH of Aqueous Suspension | pH Meter | Measurement of pH in a defined suspension (e.g., 1% w/v in water) using calibrated pH electrode. |
| Bulk Density | Graduated Cylinder Method | Mass per unit volume determined by gently pouring sample into calibrated cylinder and measuring settled volume. |
Technical Specifications of 2,2'-Diaminodiphenyl disulphide
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.0% (HPLC) |
| Melting Point | 125–129°C |
| Total Impurities | <=2.0% |
| 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 2,2'-Diaminodiphenyl disulphide
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2,2'-Diaminodiphenyl disulphide
Safety Information of 2,2'-Diaminodiphenyl disulphide
| Pictograms |    |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of 2,2'-Diaminodiphenyl disulphide
Industrial 2,2'-Diaminodiphenyl disulphide 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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