4,4'-THIODIANILINE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 139-65-1 |
| Product name | 4,4'-THIODIANILINE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material 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 4,4'-THIODIANILINE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4,4'-THIODIANILINE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4,4'-THIODIANILINE
| Industry | Application | Process |
|---|---|---|
| Rubber Industry | Production of high-performance rubber | Used as a vulcanizing agent and crosslinking agent to enhance the heat resistance and mechanical properties of rubber products |
| Plastics Industry | Production of engineering plastics | Used as a modifier to improve the thermal stability and mechanical properties of plastics |
| Coatings Industry | Production of high-performance coatings | Used as a curing agent in the preparation of epoxy resin coatings to enhance coating corrosion resistance |
| Chemical Intermediates | Synthesis of other chemicals | Used in the synthesis of dyes, pesticides, and other fine chemical products |
| Fibers Industry | Production of high-performance fibers | Used as an additive to improve fiber tensile strength and heat resistance |
Manufacturing Quality Control of 4,4'-THIODIANILINE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination 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 based on iodine-sulfur dioxide reaction in pyridine-methanol solvent system. |
| Residue on Ignition | Gravimetric Analysis | Heating sample to 700-800 C and weighing inorganic residue after complete combustion of organic matter. |
| Heavy Metals (as Pb) | AAS (Flame or Graphite Furnace) | Atomic absorption spectroscopy quantifying total heavy metals after acid digestion and matrix matching. |
| Chloride Impurity | Potentiometric Titration | Titration with silver nitrate using silver indicator electrode to detect endpoint based on AgCl precipitation potential change. |
| Melting Point | Capillary Melting Point Apparatus | Thermal determination of solid-to-liquid transition temperature using calibrated capillary tube method per USP <741>. |
| Organic Volatile Impurities | GC-FID | Gas chromatography with flame ionization detection for identification and quantification of residual solvents and low-boiling impurities. |
| Sulfur Content | Oxidative Combustion followed by Ion Chromatography | High-temperature combustion converts sulfur to sulfate, measured as SO4(2-) via IC conductivity detection. |
| Color (APHA) | Visual Comparison or Spectrophotometric Measurement | Comparison of sample solution color intensity against platinum-cobalt standard solutions at 430 nm. |
| Acid Value | Acid-Base Titration | Titration with standardized potassium hydroxide ethanol solution to quantify free acidic impurities. |
| Ash Content | Gravimetric Analysis | Weighing residue after incineration at 500-600 C to determine inorganic ash content. |
| Particle Size Distribution | Laser Diffraction | Measurement of particle size distribution in dispersed suspension using Mie scattering theory and laser diffraction optics. |
Technical Specifications of 4,4'-THIODIANILINE
| Test Item | Specification |
|---|---|
| Appearance | Gray solid |
| Purity | >=98.0% (LC-MS) |
| Melting Point | 124–128°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 4,4'-THIODIANILINE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4,4'-THIODIANILINE
Packaging of 4,4'-THIODIANILINE
Industrial 4,4'-THIODIANILINE 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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