Dimethylphosphorodithioate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 756-80-9 |
| Product name | Dimethylphosphorodithioate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial Grade |
| Packaging | 25KG/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 Dimethylphosphorodithioate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Dimethylphosphorodithioate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Dimethylphosphorodithioate
| Industry | Application | Process |
|---|---|---|
| Pesticides | Insecticide intermediate | Used in chemical synthesis |
| Chemicals | Additive for performance enhancement | Applied in formulation blending and reaction processes |
| Mining | Flotation agent for mineral separation | Applied in chemical treatment during flotation |
| Rubber | Vulcanization accelerator | Applied in rubber vulcanization |
| Petrochemicals | Antioxidant or stabilizer | Applied in catalytic and refining processes |
Manufacturing Quality Control of Dimethylphosphorodithioate
| Test Item | Common Test Method | Method Overview |
|---|---|---|
| Purity (Main Component Content) | Gas Chromatography (GC) | Uses a capillary column (e.g., DB-5 or HP-INNOWAX) with a flame ionization detector (FID). The sample is diluted with a suitable solvent (e.g., ethyl acetate) and injected. The main component content is calculated using external or internal standard methods. This method offers high separation efficiency and good reproducibility, suitable for quantitative analysis of products with purity above 95%. |
| Moisture Content | Karl Fischer Titration | Bases on the quantitative reaction of iodine-sulfur dioxide-pyridine-methanol system with water. Moisture content is determined by coulometric or volumetric titration. Used to control moisture levels in dimethyl dithiophosphate (typically ≤0.1%) to prevent hydrolysis and ensure product stability. |
| Acid Value / Free Acid | Acid-Base Titration | Titrates free acidic impurities such as phosphoric or thiophosphoric acids in the sample with a standard sodium hydroxide solution, using phenolphthalein indicator or potentiometric titration to determine the endpoint. Used to evaluate the completeness of neutralization during production and control corrosive impurities. |
| Sulfur Content | Combustion-Iodometric Method or Combustion-Infrared Absorption Method | The sample is completely combusted in a stream of oxygen at high temperature, converting sulfur to SO₂, which is then quantified by iodometric titration or infrared spectroscopy. Used to verify whether the sulfur content matches the theoretical value (theoretical S content ~38.5%), indirectly reflecting the integrity of the chemical structure. |
| Heavy Metal Content | Atomic Absorption Spectroscopy (AAS) or Inductively Coupled Plasma Mass Spectrometry (ICP-MS) | The sample is digested with nitric acid and hydrogen peroxide, followed by determination of heavy metal ions such as lead, cadmium, and mercury using AAS, or multi-element trace analysis using ICP-MS. Ensures compliance with chemical product safety standards (e.g., GB/T 22632-2008), guaranteeing environmental and user safety. |
| Appearance and Color | Visual Inspection + Platinum-Cobalt Colorimetric Method (Hazen) | Check whether the sample is a clear, colorless to pale yellow liquid, free of suspended matter or precipitates. The color value is measured using a platinum-cobalt colorimeter (typically required ≤20 Hazen), reflecting the degree of purification and presence of contamination. |
| Thermal Stability | Differential Scanning Calorimetry (DSC) | The sample is heated under a nitrogen atmosphere at a constant heating rate (e.g., 10°C/min), monitoring exothermic or endothermic peaks. The onset of decomposition and peak shape are used to evaluate thermal stability, identifying the presence of unstable impurities or decomposition products. |
| Residual Solvents | Gas Chromatography-Mass Spectrometry (GC-MS) | Headspace or direct injection is used with GC-MS to detect residual organic solvents such as ethanol, acetone, and toluene. Residual solvent levels are controlled according to ICH Q3C guidelines to ensure compliance with pharmaceutical or food-grade application requirements. |
Technical Specifications of Dimethylphosphorodithioate
| Test Item | Specification |
|---|---|
| Appearance | Clear, colorless oil |
| Purity | >=98.5% (by NMR) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.545–1.555 |
| Relative Density (20°C/25°C) | 1.160–1.180 g/cm³ |
| Odor | Characteristic sulfurous odor |
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 Dimethylphosphorodithioate
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NMR Spectra of Dimethylphosphorodithioate
Packaging of Dimethylphosphorodithioate
Industrial Dimethylphosphorodithioate 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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