2,4-DIBROMOTOLUENE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 31543-75-6 |
| Product name | 2,4-DIBROMOTOLUENE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty 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 2,4-DIBROMOTOLUENE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2,4-DIBROMOTOLUENE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2,4-DIBROMOTOLUENE
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Key intermediate for synthesizing antifungal agents (e.g., terbinafine analogues) | Carbon–carbon bond formation via Grignard reagent coupling or catalytic cross-coupling following bromination |
| Agrochemical Intermediates | Used in the preparation of brominated benzoic acid–based herbicides and insecticides | Multi-step synthesis involving nitration, reduction, diazotization, and bromination—or direct bromination followed by functional group introduction |
| Organic Synthesis | Multifunctional aromatic building block for constructing asymmetric dibrominated arenes | Lithium–halogen exchange followed by reaction with electrophiles (e.g., aldehydes, ketones, CO₂), or participation in palladium-catalyzed coupling reactions (e.g., Suzuki, Heck) |
| Materials Science | Used to synthesize precursors for brominated flame retardants and liquid crystal monomers | Condensation polymerization with bisphenols to produce brominated polycarbonates, or condensation with cyanophenols to prepare mesogenic liquid crystal molecules |
Manufacturing Quality Control of 2,4-DIBROMOTOLUENE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detector | Quantitative determination based on peak area comparison against certified reference standard using capillary column separation. |
| Related Substances | Gas Chromatography (GC) with FID or MS detection | Separation and identification of impurities (e.g., mono-brominated isomers, dibromo isomers, bromination by-products) relative to main peak. |
| Residual Solvents | Headspace Gas Chromatography (HS-GC) | Volatile organic solvents (e.g., toluene, dichloromethane) quantified via equilibrium vapor phase analysis. |
| Water Content | Karl Fischer Titration (Coulometric mode) | Electrochemical titration measuring water via iodine generation and stoichiometric reaction with pyridine/methanol reagent. |
| Acidity (as HBr) | Acid-Base Titration with NaOH | Neutralization of acidic impurities (e.g., residual HBr) using standardized sodium hydroxide solution and potentiometric endpoint detection. |
| Heavy Metals (as Pb) | Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) | Multi-element quantitative analysis after acid digestion, based on element-specific atomic emission intensities. |
| Non-Volatile Residue | Gravimetric Analysis | Evaporation of sample under controlled conditions followed by weighing of residue after drying at 105 C. |
| Chloride Impurity | Ion Chromatography (IC) with conductivity detection | Separation and quantification of chloride ions using anion-exchange column and suppressed conductivity detection. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed as solid-to-liquid phase change using calibrated capillary tube method per USP <741>. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity against specified criteria (e.g., clear, colorless to pale yellow liquid). |
| Density | Digital Density Meter (Oscillating U-tube) | Measurement of mass per unit volume at specified temperature (e.g., 20 C) based on resonant frequency shift of vibrating U-tube. |
| Refractive Index | Digital Refractometer | Determination of light bending angle at air-sample interface at specified wavelength (e.g., sodium D-line) and temperature. |
Technical Specifications of 2,4-DIBROMOTOLUENE
| Test Item | Specification |
|---|---|
| Appearance | Light orange to yellow to green clear liquid |
| Purity | >=98.0% (GC-MS) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Refractive Index (n20/D) | 1.572–1.576 |
| Relative Density (20°C/25°C) | 1.540–1.550 g/cm³ |
| Odor | Characteristic aromatic 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 2,4-DIBROMOTOLUENE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2,4-DIBROMOTOLUENE
Packaging of 2,4-DIBROMOTOLUENE
Industrial 2,4-DIBROMOTOLUENE 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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