1-BROMO-2,3,5,6-TETRAMETHYLBENZENE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1646-53-3 |
| Product name | 1-BROMO-2,3,5,6-TETRAMETHYLBENZENE |
| 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 1-BROMO-2,3,5,6-TETRAMETHYLBENZENE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1-BROMO-2,3,5,6-TETRAMETHYLBENZENE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1-BROMO-2,3,5,6-TETRAMETHYLBENZENE
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Used as precursors in the synthesis of antimicrobial, anti-inflammatory, or neurosystem-related drugs | Halogenated aromatics employed in nucleophilic substitution or coupling reactions to construct complex molecular frameworks |
| Organic Synthesis | Used as aryl bromides in Suzuki, Heck, and other cross-coupling reactions to prepare functionalized aromatic compounds | Palladium-catalyzed cross-coupling, Grignard reagent preparation, or halogen–lithium exchange reactions |
| Materials Science | Used to incorporate aryl structural units into liquid crystal materials, optoelectronic materials, or polymer monomers | Serve as polymerization precursors or enable functionalization via methyl-substituted benzene ring modification |
| Agrochemicals | Used as synthetic intermediates for insecticidal or fungicidal active ingredients | Halogen substitution or side-chain derivatization to construct bioactive molecules |
Manufacturing Quality Control of 1-BROMO-2,3,5,6-TETRAMETHYLBENZENE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantifies main component peak area relative to calibration curve using internal or external standard. |
| Related Substances | Gas Chromatography-Mass Spectrometry (GC-MS) | Identifies and semi-quantifies impurities based on retention time and mass spectral fragmentation patterns. |
| Residual Solvents | Headspace Gas Chromatography (HS-GC) | Measures volatile organic solvents by equilibrium partitioning into headspace followed by GC separation. |
| Water Content | Karl Fischer Titration (Coulometric mode) | Electrochemically determines water via iodine generation and stoichiometric reaction with water in anhydrous medium. |
| Acidity (as HBr) | Acid-Base Titration with NaOH | Neutralizes acidic impurities (e.g., residual HBr) using standardized sodium hydroxide solution and potentiometric endpoint detection. |
| Color (APHA) | Visual Comparison or Spectrophotometric Measurement at 455 nm | Compares sample color intensity against platinum-cobalt standard solutions or measures absorbance at specified wavelength. |
| Density at 20 C | Digital Density Meter (Oscillating U-tube principle) | Determines mass per unit volume from resonant frequency shift of a vibrating U-shaped tube filled with sample. |
| Refractive Index at 20 C | Digital Refractometer | Measures bending of light passing through sample to determine refractive index based on Snell's law. |
| Non-Volatile Residue | Gravimetric Analysis (Evaporation and Weighing) | Evaporates sample under controlled conditions and weighs residue to quantify inorganic or high-boiling contaminants. |
| Heavy Metals (as Pb) | Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) | Atomizes and excites sample in plasma; quantifies metal elements via characteristic emission line intensities. |
| Chloride Content | Ion Chromatography (IC) with Conductivity Detection | Separates and quantifies chloride ions based on retention time and conductivity response relative to calibration standards. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range over which solid transitions to liquid using controlled heating and visual observation. |
Technical Specifications of 1-BROMO-2,3,5,6-TETRAMETHYLBENZENE
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline solid |
| Purity | >=98.5% (GC) |
| Melting Point | 72-76°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Conforms to structure |
| Identification (IR) | Conforms to structure |
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 1-BROMO-2,3,5,6-TETRAMETHYLBENZENE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1-BROMO-2,3,5,6-TETRAMETHYLBENZENE
Safety Information of 1-BROMO-2,3,5,6-TETRAMETHYLBENZENE
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 1-BROMO-2,3,5,6-TETRAMETHYLBENZENE
Industrial 1-BROMO-2,3,5,6-TETRAMETHYLBENZENE 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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