2,5-Dichlorothiophene Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 3172-52-9 |
| Product name | 2,5-Dichlorothiophene |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeReagent 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 2,5-Dichlorothiophene
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2,5-Dichlorothiophene Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2,5-Dichlorothiophene
| Industry | Application | Process Description |
|---|---|---|
| Pharmaceuticals | Pharmaceutical Intermediates | Used as a key intermediate in the synthesis of antiviral and antibacterial agents |
| Agrochemicals | Fungicide Synthesis | Serves as a structural building block for high-efficiency fungicides |
| Fine Chemicals | Dye Synthesis | Applied in the synthesis of high-performance organic dyes |
| Materials Science | Organic Semiconductor Materials | Functions as a component of the electron-transport layer in organic optoelectronic materials |
| Research & Development | Chemical Synthesis Reagent | Employed as a starting material for constructing thiophene-based derivatives |
Manufacturing Quality Control of 2,5-Dichlorothiophene
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantitative determination based on peak area comparison against a certified reference standard under optimized chromatographic conditions. |
| Water Content | Karl Fischer Titration | Electrochemical titration measuring water via iodine-sulfur dioxide reaction in a methanol-based solvent system. |
| Residue on Ignition | Gravimetric Analysis | Mass of non-volatile residue determined after high-temperature ashing and cooling in a desiccator. |
| Chloride Impurities | Ion Chromatography (IC) | Separation and quantification of chloride ions using anion-exchange column and conductivity detection. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals by flame or graphite furnace AAS after acid digestion and matrix matching. |
| Acid-Neutralizing Value | Acid-Base Titration | Determination of acidic impurities by titration with standardized sodium hydroxide solution using phenolphthalein indicator. |
| Color | Visual Comparison or Hazen (APHA) Scale | Assessment of sample color intensity by comparing against platinum-cobalt standard solutions in a Nessler tube. |
| Melting Point | Capillary Melting Point Determination | Thermal transition observed as the temperature range at which solid-to-liquid phase change occurs under controlled heating. |
| Organic Volatile Impurities | Headspace Gas Chromatography-Mass Spectrometry (HS-GC-MS) | Identification and quantification of residual solvents and volatile by-products using thermal equilibration and mass spectral detection. |
| Sulfur Content | Combustion IC (Ion Chromatography after Combustion) | Oxidation of organic sulfur to sulfate followed by ion chromatographic separation and conductivity detection. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light passing through a solution, indicating chiral purity if applicable. |
| Residual Solvents (e.g., acetone, methanol) | Gas Chromatography with FID or TCD | Quantitative analysis of common process solvents using headspace or direct injection GC with appropriate calibration standards. |
Technical Specifications of 2,5-Dichlorothiophene
| Test Item | Specification |
|---|---|
| Appearance | Colorless to light yellow clear liquid |
| Purity | >=98.0% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.560–1.570 |
| Relative Density (20°C/25°C) | 1.34–1.36 g/cm³ |
| Odor | Characteristic chlorinated aromatic 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 2,5-Dichlorothiophene
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of 2,5-Dichlorothiophene
Industrial 2,5-Dichlorothiophene 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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