2,3-Dimethylthiophene Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 632-16-6 |
| Product name | 2,3-Dimethylthiophene |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeReagent GradeIndustrial Grade |
| Packaging | 25L/drum200L/drum1000L/IBC |
| 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 2,3-Dimethylthiophene
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2,3-Dimethylthiophene Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2,3-Dimethylthiophene
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Used as a pharmaceutical intermediate for synthesizing biologically active molecules containing a thiophene ring | Thiophene scaffold introduced via electrophilic substitution or transition-metal-catalyzed coupling reactions |
| Agrochemicals | Used as an agrochemical intermediate for constructing bioactive heterocyclic compounds | Condensation or cyclization reactions with alkyl halides or acyl chlorides |
| Organic Synthesis | Serves as a precursor to functionalized thiophene derivatives for constructing complex molecular architectures | Functionalization at the methyl group (e.g., bromination, lithiation) |
| Materials Science | Used as a monomer unit in the preparation of conductive polymers or organic semiconductor materials | Polythiophene-based materials synthesized via electrochemical or chemical oxidative polymerization |
| Analytical Chemistry | Used as a reference standard or calibration material in chromatographic method development | Prepared as standard solutions for qualitative and quantitative analysis by GC or HPLC |
Manufacturing Quality Control of 2,3-Dimethylthiophene
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detector | Quantifies 2,3-dimethylthiophene peak area relative to a calibration curve using an internal or external standard. |
| Water Content | Karl Fischer Titration | Measures water via stoichiometric reaction between water, iodine, sulfur dioxide, and base in a methanol-based reagent. |
| Acidity (as H2SO4) | Acid-Base Titration with NaOH | Neutralizes acidic impurities using standardized sodium hydroxide solution and phenolphthalein or potentiometric endpoint detection. |
| Residue on Ignition | Gravimetric Analysis | Determines non-volatile inorganic residue after controlled high-temperature ashing and weighing. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantifies total heavy metals by atomizing the sample and measuring absorbance of characteristic wavelengths. |
| Chloride Content | Potentiometric Titration with AgNO3 | Measures chloride ions via precipitation titration with silver nitrate using a silver indicator electrode. |
| Color (APHA) | Visual Comparison or Spectrophotometric Measurement | Compares sample color to APHA platinum-cobalt standard solutions or measures absorbance at 455 nm. |
| Density at 20 degC | Oscillating U-tube Densitometry | Determines density from the resonant frequency of a vibrating U-shaped tube filled with sample. |
| Refractive Index at 20 degC | Refractometry | Measures bending of light passing through the sample at specified temperature using calibrated refractometer. |
| Boiling Range | Gas Chromatography (GC) or Distillation | Determines temperature interval over which 90% of material distills, per ASTM D86 or GC simulation. |
| Non-Volatile Residue | Evaporation and Gravimetry | Weighs residue remaining after controlled evaporation of a fixed sample volume under nitrogen. |
| Sulfur Content | Combustion IC (Ion Chromatography) | Oxidizes organic sulfur to sulfate, then quantifies sulfate ion concentration via suppressed conductivity detection. |
Technical Specifications of 2,3-Dimethylthiophene
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.525–1.535 |
| Relative Density (20°C/25°C) | 0.945–0.955 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 2,3-Dimethylthiophene
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2,3-Dimethylthiophene
Packaging of 2,3-Dimethylthiophene
Industrial 2,3-Dimethylthiophene 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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