2-Bromo-5-chloro-p-xylene Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 85072-44-2 |
| Product name | 2-Bromo-5-chloro-p-xylene |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeIndustrial 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 2-Bromo-5-chloro-p-xylene
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2-Bromo-5-chloro-p-xylene 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-chloro-p-xylene
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Intermediates for synthesizing drug molecules | Serves as a precursor in aryl substitution reactions to construct active pharmaceutical ingredients with specific structures |
| Agrochemicals | Intermediates for pesticide synthesis | Participates in coupling reactions to prepare biologically active pesticide compounds |
| Organic Synthesis | Reagent for organic synthesis | Used in transition metal-catalyzed cross-coupling reactions (e.g., Suzuki, Heck) to construct complex aromatic systems |
| Materials Science | Building block for functional materials | Further functionalized to produce liquid crystal or organic semiconductor materials |
Manufacturing Quality Control of 2-Bromo-5-chloro-p-xylene
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detector | Quantitative determination based on peak area comparison against a certified reference standard using a non-polar capillary column. |
| Related Substances (Impurities) | Gas Chromatography–Mass Spectrometry (GC-MS) | Separation and identification of structurally related impurities (e.g., isomers, residual solvents, bromination/chlorination by-products) via retention time and mass spectral matching. |
| Residual Solvents (e.g., dichloromethane, toluene) | Headspace Gas Chromatography (HS-GC) with FID | Volatile solvent quantification via equilibrium partitioning into headspace followed by GC separation and detection. |
| Water Content | Karl Fischer Titration (Coulometric mode) | Electrochemical determination of water based on the stoichiometric reaction of iodine with water in a pyridine-free reagent system. |
| Heavy Metals (as Pb) | Inductively Coupled Plasma–Optical Emission Spectrometry (ICP-OES) | Multi-element trace metal quantification after acid digestion, based on element-specific atomic emission intensities. |
| Acid-Consuming Impurities (e.g., HBr, HCl) | Acid-Base Potentiometric Titration | Neutralization of acidic impurities with standardized sodium hydroxide solution; endpoint detected by pH inflection. |
| Color (APHA) | Visual Comparison or Spectrophotometric Measurement at 430 nm | Quantification of yellowness intensity relative to platinum-cobalt standards, reflecting oxidative degradation or conjugated impurities. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition determination via controlled heating; deviation from literature value (51–53 °C) indicates impurity presence or polymorphic variation. |
| Chlorine Content | Oxygen Flask Combustion followed by Ion Chromatography (IC) | Halogen quantification after high-temperature combustion in oxygen; chloride ions measured via conductivity detection post-separation. |
| Bromine Content | Oxygen Flask Combustion followed by ICP-OES | Total bromine quantified after combustion and aqueous absorption; detection based on Br ICP emission line at 169.72 nm. |
| Non-Volatile Residue | Gravimetric Analysis (Evaporation & Weighing) | Determination of residue after evaporation of a defined sample mass under controlled temperature and vacuum; reflects inorganic/organic non-volatiles. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation of plane-polarized light; confirms absence of chiral contaminants (though compound is achiral, detects enantiomeric impurities if present). |
Technical Specifications of 2-Bromo-5-chloro-p-xylene
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline solid |
| Purity | >=98.5% |
| Melting Point | 68.0–72.0°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=20 ppm |
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-chloro-p-xylene
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2-Bromo-5-chloro-p-xylene
Packaging of 2-Bromo-5-chloro-p-xylene
Industrial 2-Bromo-5-chloro-p-xylene 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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