1,4-DIBROMO-2,3,5,6-TETRAMETHYLBENZENE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1646-54-4 |
| Product name | 1,4-DIBROMO-2,3,5,6-TETRAMETHYLBENZENE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeIndustrial GradeElectronic Grade |
| Packaging | 25KG/bag500KG/bag1000KG/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 1,4-DIBROMO-2,3,5,6-TETRAMETHYLBENZENE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1,4-DIBROMO-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 1,4-DIBROMO-2,3,5,6-TETRAMETHYLBENZENE
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Industry | As a synthetic intermediate | Used in bromination steps for synthesizing specific drug molecules |
| Pesticide Industry | As a pesticide synthetic intermediate | Used to prepare organobromine compounds with insecticidal or fungicidal activity |
| Materials Science | Synthesis of specialty polymeric materials | Acts as a monomer in free-radical polymerization reactions |
| Electronic Chemicals | Preparation of liquid crystal materials | Used to construct brominated aromatic structures in liquid crystal materials |
| Dye Industry | Synthesis of dye intermediates | Used in the synthesis of azo dyes and other structural dye classes |
Manufacturing Quality Control of 1,4-DIBROMO-2,3,5,6-TETRAMETHYLBENZENE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detector | Quantifies 3,6-dibromotetramethylbenzene peak area relative to calibration standards using retention time and response factor. |
| Related Substances | Gas Chromatography (GC) with FID or MS detection | Separates and detects structurally similar impurities (e.g., mono-bromo, tri-bromo, isomeric tetramethylbenzenes) based on retention time and spectral match. |
| Residual Solvents | Headspace Gas Chromatography (HS-GC) | Volatile organic solvents (e.g., toluene, acetone, methanol) are quantified after thermal equilibration in sealed vials and GC analysis. |
| Moisture Content | Karl Fischer Titration | Measures water content via stoichiometric iodine reaction with water in anhydrous methanol-based reagent. |
| Acid Value | Acid-Base Titration with NaOH | Determines free acidic impurities by titration with standardized sodium hydroxide solution using phenolphthalein indicator. |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-OES | Simultaneously quantifies trace heavy metals after acid digestion by measuring element-specific atomic emission intensities. |
| Chloride Content | Ion Chromatography (IC) | Separates and quantifies chloride ions after sample dissolution and filtration, using conductivity detection. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid, indicating purity and identity via sharpness and agreement with literature value. |
| Appearance | Visual Inspection | Assesses physical state, color, and presence of visible particulates or discoloration against standard white background under controlled lighting. |
| Bulk Density | Graduated Cylinder Method (ASTM D1895) | Measures mass per unit volume of freely settled powder using calibrated cylinder and analytical balance. |
| Particle Size Distribution | Laser Diffraction (LD) | Analyzes size distribution of dry powder by measuring angular variation in laser light scattering intensity. |
| Residue on Ignition | Gravimetric Analysis | Quantifies non-volatile inorganic residue after high-temperature ashing and cooling in desiccator, followed by weighing. |
Technical Specifications of 1,4-DIBROMO-2,3,5,6-TETRAMETHYLBENZENE
| Test Item | Specification |
|---|---|
| Appearance | White to almost white crystalline powder |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 124–128°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Consistent with structure |
| 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 1,4-DIBROMO-2,3,5,6-TETRAMETHYLBENZENE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1,4-DIBROMO-2,3,5,6-TETRAMETHYLBENZENE
Packaging of 1,4-DIBROMO-2,3,5,6-TETRAMETHYLBENZENE
Industrial 1,4-DIBROMO-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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