diethyl 3,3'-thiobispropionate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 673-79-0 |
| Product name | diethyl 3,3'-thiobispropionate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeMaterial GradeSpecialty GradeCosmetic GradeFood 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 diethyl 3,3'-thiobispropionate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk diethyl 3,3'-thiobispropionate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of diethyl 3,3'-thiobispropionate
| Industry | Application | Process |
|---|---|---|
| Plastics Industry | Antioxidant | Used as a secondary antioxidant in combination with primary antioxidants; incorporated via melt compounding during polyolefin (e.g., polyethylene, polypropylene) processing to enhance thermal stability and oxidation resistance |
| Rubber Industry | Stabilizer | Added during rubber vulcanization and processing to prevent performance degradation caused by thermo-oxidative aging; typically introduced alongside other additives during the mixing stage |
| Cosmetics Industry | Preservative and Stabilizing Aid | Employed as an antioxidant in select cosmetic formulations to retard oxidative rancidity of lipid components; dissolved directly into the oil phase at prescribed ratios prior to emulsification |
| Lubricants Industry | Antioxidant Additive | Blended into lubricating oils or greases to suppress high-temperature oxidative degradation and extend service life; uniformly dispersed in base oil via mechanical mixing |
Manufacturing Quality Control of diethyl 3,3'-thiobispropionate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID | Quantitative determination based on peak area comparison against a certified reference standard using a non-polar capillary column. |
| Acid Value | Acid-Base Titration | Neutralization of free acidic impurities with standardized potassium hydroxide solution using phenolphthalein indicator. |
| Water Content | Karl Fischer Titration | Electrochemical determination of water via iodine-sulfur dioxide reaction in a methanol-based reagent system. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Measurement of yellowness intensity by comparing sample absorbance at 430 nm to APHA color scale standards. |
| Density at 20 C | Digital Density Meter | Determination of mass per unit volume using oscillating U-tube principle with temperature control. |
| Refractive Index at 20 C | Refractometry | Measurement of light bending angle at air-sample interface using calibrated Abbe refractometer. |
| Residue on Ignition | Gravimetric Analysis | Weighing of non-volatile residue remaining after controlled high-temperature ashing in a muffle furnace. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals after acid digestion by measuring atomic absorption at element-specific wavelengths. |
| Chloride Content | Potentiometric Titration with AgNO3 | Titration with silver nitrate using silver electrode to detect endpoint via potential change from AgCl precipitation. |
| Sulfur Content | Combustion IC (Ion Chromatography) | Oxidative combustion followed by IC detection of sulfate ions in absorbed solution. |
| Distillation Range | Vacuum Distillation | Determination of initial and final boiling points under specified reduced pressure using standardized distillation apparatus. |
| Odor | Sensory Evaluation | Qualitative assessment by trained personnel against reference description for characteristic sulfurous odor intensity and off-notes. |
Technical Specifications of diethyl 3,3'-thiobispropionate
| Test Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.462–1.468 |
| Relative Density (20°C/25°C) | 1.075–1.085 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 diethyl 3,3'-thiobispropionate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Safety Information of diethyl 3,3'-thiobispropionate
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of diethyl 3,3'-thiobispropionate
Industrial diethyl 3,3'-thiobispropionate 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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