Bis(2-mercaptoethyl) sulfide Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 3570-55-6 |
| Product name | Bis(2-mercaptoethyl) sulfide |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeReagent GradeIndustrial Grade |
| Packaging | 25L/drum |
| 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 Bis(2-mercaptoethyl) sulfide
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Bis(2-mercaptoethyl) sulfide Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Bis(2-mercaptoethyl) sulfide
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Chelating agent for detoxification in heavy metal poisoning (e.g., arsenic, mercury) | Administered intravenously or orally; forms stable, water-soluble complexes with metal ions, which are subsequently excreted renally |
| Chemical Industry | Polymer stabilizer and crosslinking agent | Participates in free-radical polymerization to enhance thermal stability and mechanical properties of polymeric materials |
| Materials Science | Functional monomer for synthesizing sulfur-containing polymers | Thiol groups participate in Michael addition or click chemistry reactions to construct functionalized network structures |
| Environmental Engineering | Remediation agent for heavy metal-contaminated soil and water | Chelates heavy metal ions in contaminants, reducing their bioavailability and facilitating solid-phase separation |
| Analytical Chemistry | Masking agent and derivatization reagent for metal ions | Selectively complexes interfering metal ions during sample pretreatment prior to atomic absorption spectroscopy or chromatographic analysis |
Manufacturing Quality Control of Bis(2-mercaptoethyl) sulfide
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detector | Quantifies main component based on retention time and peak area against certified reference standard. |
| Water Content | Karl Fischer Titration | Measures water via coulometric or volumetric titration using iodine-sulfur dioxide reaction in methanol/pyridine medium. |
| Acidity (as HCl) | Acid-Base Titration with NaOH | Determines acidic impurities by titration with standardized sodium hydroxide solution using phenolphthalein indicator. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic residue after controlled high-temperature ashing and weighing. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantifies total heavy metals by atomization and absorption measurement at characteristic wavelengths. |
| Sulfur Content | Oxidative Combustion followed by Ion Chromatography (IC) | Converts organic sulfur to sulfate, then detects sulfate anion concentration via conductivity detection. |
| Color | Visual Comparison against APHA Scale | Evaluates color intensity by matching sample appearance to standardized platinum-cobalt solutions. |
| Density | Digital Density Meter | Determines mass per unit volume at specified temperature using oscillating U-tube principle. |
| Refractive Index | Refractometry | Measures bending of light through sample at 20 C to assess purity and composition. |
| Chloride Impurity | Ion Chromatography (IC) with Conductivity Detection | Separates and quantifies chloride ions using anion-exchange column and conductivity detection. |
| Volatile Impurities | Headspace Gas Chromatography (HS-GC) | Detects low-boiling contaminants by analyzing vapor phase above heated sample. |
| Specific Optical Rotation | Polarimetry | Measures rotation of plane-polarized light to assess chiral purity and identity. |
Technical Specifications of Bis(2-mercaptoethyl) sulfide
| Test Item | Specification |
|---|---|
| Appearance | Clear, colourless liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.545–1.555 |
| Relative Density (20°C/25°C) | 1.180–1.195 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 Bis(2-mercaptoethyl) sulfide
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Bis(2-mercaptoethyl) sulfide
Packaging of Bis(2-mercaptoethyl) sulfide
Industrial Bis(2-mercaptoethyl) 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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