4-Bromo-5-methyl-2-thiophenecarbaldehyde Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 29421-75-8 |
| Product name | 4-Bromo-5-methyl-2-thiophenecarbaldehyde |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeIndustrial Grade |
| Packaging | 25KG/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 4-Bromo-5-methyl-2-thiophenecarbaldehyde
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Bromo-5-methyl-2-thiophenecarbaldehyde Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-Bromo-5-methyl-2-thiophenecarbaldehyde
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate in the synthesis of antitumor drugs | Used in Grignard reactions and substitution reactions |
| Pesticides | Key raw material for fungicide production | Applied in sulfonation and condensation reactions |
| Materials | Used in the preparation of optoelectronic functional materials | Applied in coupling and polymerization reactions |
| Dyes | Intermediate in the synthesis of specialty dyes | Used in acylation and oxidation reactions |
Manufacturing Quality Control of 4-Bromo-5-methyl-2-thiophenecarbaldehyde
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination based on peak area comparison against a certified reference standard using reversed-phase chromatography and UV detection at ~254 nm. |
| Related Substances | HPLC-UV/DAD | Separation and identification of structurally related impurities (e.g., isomers, bromination by-products, oxidation/degradation products) via retention time and spectral matching. |
| Residual Solvents | GC-FID | Quantification of volatile organic solvents (e.g., DMF, THF, toluene) using headspace gas chromatography with flame ionization detection against calibrated standards. |
| Water Content | Karl Fischer Titration (Coulometric) | Electrochemical titration quantifying water via iodine generation and stoichiometric reaction with water in anhydrous methanol-based medium. |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-MS | Multi-element trace metal quantification after acid digestion, utilizing inductively coupled plasma mass spectrometry for sub-ppt sensitivity and isotopic specificity. |
| Residual Inorganic Salts (e.g., NaBr, KBr) | Ion Chromatography (IC) | Separation and quantification of anions (Br⁻, Cl⁻, SO₄²⁻) and cations (Na⁺, K⁺) using suppressed conductivity detection. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition determination by observing the temperature range over which solid-to-liquid phase change occurs under controlled heating. |
| Appearance & Color | Visual Inspection / APHA Color Scale | Subjective assessment of physical state (crystalline powder) and color intensity compared to platinum-cobalt standard solutions. |
| Chloride Impurity | Potentiometric Titration (AgNO₃) | Quantification of chloride ions via argentometric titration using silver nitrate and a silver/silver chloride electrode for endpoint detection. |
| Residual Palladium (if Pd-catalyzed synthesis used) | ICP-OES | Element-specific quantification of palladium after microwave-assisted acid digestion using inductively coupled plasma optical emission spectroscopy. |
| Optical Rotation | [α]D (Polarimetry) | Measurement of specific rotation at sodium D-line (589 nm) to assess chiral purity (if applicable; compound is achiral but method included for batch consistency verification of potential chiral contaminants). |
Technical Specifications of 4-Bromo-5-methyl-2-thiophenecarbaldehyde
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (GC-MS) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | 68–72°C |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Conforms to reference spectrum |
| 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
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Download COA of 4-Bromo-5-methyl-2-thiophenecarbaldehyde
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-Bromo-5-methyl-2-thiophenecarbaldehyde
Safety Information of 4-Bromo-5-methyl-2-thiophenecarbaldehyde
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 4-Bromo-5-methyl-2-thiophenecarbaldehyde
Industrial 4-Bromo-5-methyl-2-thiophenecarbaldehyde 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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