Bismuththiol Bulk Supply for Industrial Use
China Factory Direct
 |
|
| CAS number | 1072-71-5 |
| Product name | Bismuththiol |
| 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) |
QUOTE TYPE
PACKAGING TYPE
TOTAL QUANTITY(KG)
PREFERRED SHIPPING METHOD
YOUR COMPANY
YOUR E-MAIL
Calculate Summary
Based on current marketvolatility and material availability.
Documents We Provide for Bismuththiol
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Bismuththiol Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Bismuththiol
| Industry | Application | Process |
|---|---|---|
| Rubber Industry | Used as a vulcanizing agent to accelerate rubber vulcanization and enhance the physical and mechanical properties of rubber products | 2,5-Dimercaptothiadiazole is incorporated during rubber compounding and acts synergistically with sulfur and other additives to crosslink rubber molecular chains, forming a three-dimensional network structure |
| Plastics Industry | Used as a stabilizer to improve the thermal stability of plastic products | 2,5-Dimercaptothiadiazole is blended into plastic raw materials at a specified ratio and exerts antioxidant and anti-aging effects during high-temperature processing and shaping |
| Pesticide Manufacturing | Used as an active ingredient in fungicides for crop disease control | 2,5-Dimercaptothiadiazole is chemically synthesized and formulated with other active substances into pesticide preparations, which are applied to soil or plant surfaces to inhibit fungal growth |
| Pharmaceuticals | Used as a pharmaceutical intermediate in the synthesis of certain drugs | Under specific reaction conditions, 2,5-dimercaptothiadiazole reacts with other organic compounds to generate target products, such as antibiotics |
| Metal Processing | Used as a corrosion inhibitor to prevent oxidation and corrosion of metal surfaces | A solution containing 2,5-dimercaptothiadiazole is applied via coating or immersion onto metal substrates, forming a protective film that isolates the surface from atmospheric oxygen and moisture |
Manufacturing Quality Control of Bismuththiol
| Test Item | Common Analytical Method | Method Description |
|---|---|---|
| Purity (Content) | High-Performance Liquid Chromatography (HPLC) | A C18 reverse-phase column is used with water-methanol or acetonitrile gradient elution, and a UV detector (typically at 254 nm or 280 nm) is employed for detection. Quantification is achieved via external standard or internal standard methods, effectively separating and determining the main DMTD component and its related impurities, suitable for high-precision content analysis. |
| Melting Point | Melting Point Apparatus | Determined using capillary method or automatic melting point instrument. The theoretical melting point range of DMTD is approximately 178–182 °C; measured values are used to assess crystalline purity and the presence of low-melting-point impurities. |
| Moisture Content | Karl Fischer Titration | Iodine-sulfur dioxide-pyridine-methanol system reacts quantitatively with water, and moisture is determined by potentiometric or coulometric titration. This method is suitable for controlling trace water levels in DMTD, especially in pharmaceutical or electronic chemical applications. |
| Sulfur Content | Combustion-Iodimetric Method or Sulfur Elemental Analyzer | The sample is combusted in an oxygen stream at high temperature, converting sulfur into SO₂, which is then titrated iodimetrically or determined by infrared absorption/chemiluminescence. This method verifies whether the sulfur atom content from two thiol groups matches the theoretical value (theoretical S% ≈ 57.6%). |
| Impurity Profile (e.g., mono-thiol derivatives, oxidation products) | HPLC-MS (High-Performance Liquid Chromatography-Mass Spectrometry) | Combining HPLC separation with mass spectrometry identification allows the detection and quantification of potential oxidation products (e.g., disulfide forms), unreacted raw materials, or degradation products. It is useful for impurity limit control and process optimization. |
| Appearance and Color | Visual Inspection + Colorimeter | The sample should appear as white to pale yellow crystalline powder. A colorimeter (e.g., HunterLab) can measure L*a*b* values to ensure no significant discoloration (indicating oxidation or contamination). |
| pH Value (Aqueous Solution) | pH Meter Measurement | DMTD is dissolved in water to prepare a saturated solution (~0.1–1 mg/mL), and pH is measured using a calibrated pH meter. DMTD is slightly soluble in water and yields a weakly acidic solution (pH ≈ 4–6), used to evaluate its acid-base properties and stability. |
| Heavy Metal Residues | Atomic Absorption Spectroscopy (AAS) or Inductively Coupled Plasma Mass Spectrometry (ICP-MS) | After sample digestion, heavy metals such as lead, cadmium, mercury, and arsenic are analyzed. This ensures compliance with pharmacopoeial or IPC standards (e.g., ICH Q3D) for pharmaceutical-grade DMTD quality control. |
| Solubility | Shaking Flask Method / Titration Method | Solubility is measured in various solvents (water, ethanol, acetone, DMF) to guide formulation or reaction process selection. DMTD is slightly soluble in water but shows good solubility in organic solvents. |
| Thermal Stability | Thermogravimetric Analysis (TGA) and Differential Scanning Calorimetry (DSC) | TGA measures weight loss temperature (decomposition starts around 200–220 °C), while DSC detects fusion endothermic peaks and possible phase transitions or decomposition reactions, assessing storage and processing safety. |
Technical Specifications of Bismuththiol
| Test Item | Specification |
|---|---|
| Appearance | White to light yellow crystalline powder |
| Purity | >=98.0% (HPLC) |
| Melting Point | 168–172°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=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
|
|
Download COA of Bismuththiol
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Bismuththiol
Packaging of Bismuththiol
Industrial Bismuththiol 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.
Use Bulk
Supply Factory
Direct ISO 9001
Certified Samples
Available Stable
Supply