2-Bromo-5-ethylthiophene Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 62323-44-8 |
| Product name | 2-Bromo-5-ethylthiophene |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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-Bromo-5-ethylthiophene
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2-Bromo-5-ethylthiophene Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2-Bromo-5-ethylthiophene
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Chemicals | Pharmaceutical Intermediates | Serves as a key building block; the reactivity of the bromine atom enables metal-catalyzed coupling reactions (e.g., Suzuki coupling) to construct drug molecule scaffolds containing thiophene moieties. |
| Agrochemicals | Agrochemical Intermediates | Used in synthesizing agrochemically active ingredients containing a thiophene ring; the 5-ethylthiophenyl group is introduced via nucleophilic substitution or coupling reactions. |
| Organic Synthesis | Brominated Aromatic Reagent | Leverages the reactivity of the bromine atom at the 2-position for Grignard reagent preparation, lithiation, or transition-metal-catalyzed coupling reactions to synthesize derivative compounds. |
| Materials Science | Functional Material Monomer | Employed in synthesizing organic semiconductor or optoelectronic material precursors; the ethylthiophene functional group is incorporated via polymerization or structural modification. |
Manufacturing Quality Control of 2-Bromo-5-ethylthiophene
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | GC-FID or GC-MS | Quantitative determination using gas chromatography with flame ionization detection or mass spectrometric detection, comparing peak area to a certified reference standard. |
| Related Substances | GC-FID or HPLC-UV | Separation and quantification of impurities based on retention time and UV absorption or FID response relative to the main peak. |
| Residual Solvents | GC-FID | Headspace GC-FID analysis to detect and quantify volatile organic solvents remaining from synthesis or purification. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine-based reagent to determine trace water content via electrochemical reaction stoichiometry. |
| Acidity (as HBr) | Acid-Base Titration | Neutralization of acidic impurities with standardized sodium hydroxide solution using potentiometric or indicator endpoint detection. |
| Heavy Metals | ICP-MS or ICP-OES | Quantitative multi-element analysis after acid digestion, measuring metal concentrations via plasma-induced atomic emission or mass spectrometry. |
| Residue on Ignition | Gravimetric Analysis | Determination of non-volatile inorganic residue after high-temperature incineration and precise weighing of the ash. |
| Chloride Impurity | Ion Chromatography (IC) | Separation and quantification of chloride ions using anion-exchange column and conductivity detection. |
| Sulfate Impurity | Ion Chromatography (IC) or Turbidimetry | Anion separation with conductivity detection or sulfate precipitation as barium sulfate followed by turbidity measurement. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity against established reference standards under controlled lighting conditions. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid, indicating purity and identity via thermal behavior. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light induced by chiral compounds in solution, confirming enantiomeric integrity if applicable. |
Technical Specifications of 2-Bromo-5-ethylthiophene
| Test Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.545–1.555 |
| Relative Density (20°C/25°C) | 1.32–1.36 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-Bromo-5-ethylthiophene
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2-Bromo-5-ethylthiophene
Packaging of 2-Bromo-5-ethylthiophene
Industrial 2-Bromo-5-ethylthiophene 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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