2,5-Dichloro-3-methylthiophene Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 17249-90-0 |
| Product name | 2,5-Dichloro-3-methylthiophene |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty 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 2,5-Dichloro-3-methylthiophene
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2,5-Dichloro-3-methylthiophene Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2,5-Dichloro-3-methylthiophene
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Used as a pharmaceutical intermediate for synthesizing biologically active thiophene compounds | Organic synthesis, coupling reactions (e.g., Suzuki, Stille) |
| Agrochemicals | Employed as a structural building block for synthesizing novel insecticides or herbicides | Multistep synthesis, functional group transformations |
| Materials Science | Serves as a monomer for constructing conjugated polymers or organic semiconductor materials | Polymerization (e.g., Stille coupling polymerization), electrochemical deposition |
| Fine Chemicals | Applied as an organic synthesis building block to prepare other functionalized thiophene derivatives | Halogen exchange, metalation, electrophilic substitution |
Manufacturing Quality Control of 2,5-Dichloro-3-methylthiophene
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | GC-FID | Quantification by comparison of peak area against a certified reference standard using flame ionization detection. |
| Related Substances | GC-MS | Identification and semi-quantification of impurities based on retention time and mass spectral matching. |
| Residual Solvents | GC-FID with headspace sampling | Separation and quantification of volatile organic solvents using equilibrium headspace gas chromatography. |
| Moisture Content | Karl Fischer Titration | Volumetric or coulometric titration based on the stoichiometric reaction of water with iodine and sulfur dioxide in pyridine/methanol medium. |
| Chloride Ion (Inorganic) | Ion Chromatography (IC) | Separation and quantification of chloride anions using anion-exchange column and conductivity detection. |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-MS | Multi-element detection and quantification after acid digestion by measuring elemental isotopic mass-to-charge ratios. |
| Sulfate Residue | Gravimetric Analysis | Precipitation of sulfate as barium sulfate followed by drying and weighing of the precipitate. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid, observed visually under controlled heating. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity against defined standards under controlled lighting conditions. |
| Density | Digital Density Meter | Measurement of mass per unit volume at specified temperature using oscillating U-tube principle. |
| Refractive Index | Abbé Refractometer | Determination of light bending angle at air-sample interface to infer purity and composition. |
| Volatile Matter | Thermogravimetric Analysis (TGA) | Quantification of mass loss upon controlled heating under inert atmosphere to assess non-volatile residue. |
Technical Specifications of 2,5-Dichloro-3-methylthiophene
| Test Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Purity | >=98.0% (GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Refractive Index (n20/D) | 1.545–1.555 |
| Relative Density (20°C/25°C) | 1.32–1.34 g/cm³ |
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-Dichloro-3-methylthiophene
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2,5-Dichloro-3-methylthiophene
Safety Information of 2,5-Dichloro-3-methylthiophene
| Pictograms |   |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of 2,5-Dichloro-3-methylthiophene
Industrial 2,5-Dichloro-3-methylthiophene 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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