2,2'-DIAMINODIPHENYL SULFIDE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 5873-51-8 |
| Product name | 2,2'-DIAMINODIPHENYL SULFIDE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty 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 2,2'-DIAMINODIPHENYL SULFIDE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2,2'-DIAMINODIPHENYL SULFIDE 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 SULFIDE
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthesis of antitumor drug intermediates | Serves as a key intermediate in multistep organic synthesis for preparing biologically active compounds |
| Dyes | Azo dye synthesis | Used as a coupling component or amine precursor in diazotization-coupling reactions under acidic or neutral conditions |
| Polymers | Monomer for high-temperature-resistant resins | Acts as a diamine monomer in polymerization with dianhydrides or diacid chlorides to produce polyimide or polyurethane materials |
| Pesticides | Fungicide intermediate | Participates in heterocyclic compound construction for synthesizing sulfur- and nitrogen-containing active pesticide ingredients |
Manufacturing Quality Control of 2,2'-DIAMINODIPHENYL SULFIDE
| Test Item | Common Test Methods | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the sample's color, physical state (e.g., white to light yellow crystalline powder), and presence of foreign matter using the naked eye. |
| Melting Point | Capillary Melting Point Method / Differential Scanning Calorimetry (DSC) | Determine the phase transition temperature from solid to liquid to assess purity; pure substances have a specific melting range (typically around 170–175°C). |
| Content (Main Component Purity) | High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase C18 column and a UV detector (e.g., 254 nm) to quantify the main component using external standard or area normalization methods. |
| Related Substances (Impurities) | High-Performance Liquid Chromatography (HPLC) | Under the same HPLC conditions, separate and quantify possible by-products or degradation impurities (e.g., oxidation products, unreacted starting materials). |
| Water Content | Karl Fischer Titration | Determine the water content using potentiometric titration or coulometry to control product stability and reactivity. |
| Residue on Ignition / Ash Content | Gravimetric Method (High-Temperature Ignition) | Ignite the sample at high temperature (e.g., 600–800°C) until constant weight is achieved, then measure the inorganic residue content. |
| pH Value (Aqueous Solution) | pH Meter Method | Prepare an aqueous solution of a certain concentration and measure its acidity or alkalinity using a calibrated pH meter to indicate the presence of free acid or base impurities. |
| Sulfur Content | Elemental Analysis (EA) or X-ray Fluorescence Spectroscopy (XRF) | Determine the C, H, N, and S content using an elemental analyzer to verify whether the molecular composition matches theoretical values. |
| Chromatographic Purity (GC Suitability) | Gas Chromatography (GC)* (if volatile) | For vaporizable derivatives or low-boiling impurities, GC-FID can be used for detection; however, HPLC is typically preferred for this compound. |
| Infrared Spectroscopy Identification | Fourier Transform Infrared Spectroscopy (FT-IR) | Obtain characteristic absorption peaks (e.g., N–H, C–S, aromatic rings) and compare with standard spectra for structural confirmation. |
Technical Specifications of 2,2'-DIAMINODIPHENYL SULFIDE
| Test Item | Specification |
|---|---|
| Appearance | Gray solid |
| Purity | >=98.0% |
| Melting Point | 132–136 °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 SULFIDE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of 2,2'-DIAMINODIPHENYL SULFIDE
Industrial 2,2'-DIAMINODIPHENYL SULFIDE 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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