4,4'-Dinitrodiphenyl disulfide Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 100-32-3 |
| Product name | 4,4'-Dinitrodiphenyl disulfide |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical 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 4,4'-Dinitrodiphenyl disulfide
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4,4'-Dinitrodiphenyl disulfide Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4,4'-Dinitrodiphenyl disulfide
| Industry | Application | Process |
|---|---|---|
| Chemical Reagents | Organic Synthesis Intermediate | Used in the synthesis of sulfur-containing heterocyclic compounds and functionalized molecules, such as pharmaceutical and dye precursors |
| Pharmaceuticals | Pharmaceutical Intermediate | Employed in multi-step synthesis reactions to prepare biologically active sulfur-containing drug molecules |
| Dye Industry | Dye Intermediate | Serves as a raw material for synthesizing aromatic disulfide dyes, including azo and sulfur dyes |
| Polymers | Functional Additive | Applied to modify rubber or resins to enhance thermal resistance and crosslinking performance |
| Pesticides | Pesticide Intermediate | Used to synthesize precursor compounds for certain sulfur-containing insecticides or fungicides |
Manufacturing Quality Control of 4,4'-Dinitrodiphenyl disulfide
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 254 nm, based on peak area comparison against a certified reference standard. |
| Related Substances | HPLC-UV | Separation and quantification of impurities (e.g., mono-nitro analogs, dinitrodiphenyl sulfide, residual thiol) using gradient HPLC-UV against qualified impurity standards. |
| Moisture Content | Karl Fischer Titration | Volumetric or coulometric titration with iodine reagent to determine water content based on stoichiometric reaction with iodine and sulfur dioxide in pyridine/methanol medium. |
| Residue on Ignition | Gravimetric Analysis | Heating sample at 700-800 C to constant weight; residue mass expressed as percentage of original sample, indicating inorganic ash content. |
| Heavy Metals | ICP-OES | Multi-element quantification of Pb, Cd, Hg, As, Cr after acid digestion, based on atomic emission intensity at element-specific wavelengths. |
| Chloride Impurity | Ion Chromatography | Separation and conductivity detection of chloride ions after aqueous extraction and filtration; quantified via calibration curve. |
| Sulfate Impurity | Ion Chromatography | Separation and conductivity detection of sulfate ions after aqueous extraction; quantified using sulfate standard calibration. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed visually or automatically as the temperature range over which solid transforms to liquid, indicating crystallinity and purity. |
| Organic Volatile Impurities | GC-FID | Headspace or direct injection GC with flame ionization detection to identify and quantify residual solvents (e.g., toluene, DMF, chlorobenzene). |
| Particle Size Distribution | Laser Diffraction | Measurement of scattered light intensity from dispersed particles to calculate volume-based size distribution in micrometers. |
| Bulk Density | ASTM D1895 | Determination of mass per unit volume of freely settled powder in a calibrated cylinder, reported as g/mL. |
| Sulfur Content | Combustion IC | High-temperature combustion followed by ion chromatographic detection of sulfate formed from total sulfur oxidation. |
Technical Specifications of 4,4'-Dinitrodiphenyl disulfide
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (HPLC) |
| Melting Point | 124-128°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=20 ppm |
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'-Dinitrodiphenyl disulfide
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4,4'-Dinitrodiphenyl disulfide
Safety Information of 4,4'-Dinitrodiphenyl disulfide
| Pictograms |   |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 4,4'-Dinitrodiphenyl disulfide
Industrial 4,4'-Dinitrodiphenyl 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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