3,4-Dichlorobenzyl bromide Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 18880-04-1 |
| Product name | 3,4-Dichlorobenzyl bromide |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeSpecialty 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 3,4-Dichlorobenzyl bromide
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3,4-Dichlorobenzyl bromide Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3,4-Dichlorobenzyl bromide
| Industry | Application | Process |
|---|---|---|
| Pesticides | Key intermediate for synthesizing fungicides (e.g., epoxiconazole) | Undergoes nucleophilic substitution with sodium 1,2,4-triazolate under alkaline conditions to construct the azole heterocyclic side chain |
| Pharmaceuticals | Intermediate for synthesizing antifungal agents (e.g., fluconazole analogues) and certain cardiovascular drugs | Used in multi-step reactions—including amination and cyclization—to introduce chlorinated benzyl side-chain structures |
| Organic Synthesis | Benzylating agent for protecting functional groups such as hydroxyl and amino groups | Undergoes SN2 substitution with alcohols or amines in the presence of a mild base (e.g., K₂CO₃) to yield corresponding benzyl ethers or benzylamine derivatives |
Manufacturing Quality Control of 3,4-Dichlorobenzyl bromide
| 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 under validated chromatographic conditions. |
| Related Substances | Gas Chromatography (GC) with FID or MS detection | Separation and semi-quantitative/quantitative detection of structurally related impurities using retention time and response factor matching. |
| Residual Solvents | Headspace Gas Chromatography (HS-GC) | Volatile solvent residues are partitioned into headspace and quantified by GC-FID using calibrated standards. |
| Water Content | Karl Fischer Titration (Coulometric) | Electrochemical titration where iodine generated in situ reacts stoichiometrically with water; endpoint detected amperometrically. |
| Acid Value | Acid-Base Titration (NaOH standard solution) | Neutralization of acidic impurities (e.g., HBr, residual acids) with standardized sodium hydroxide solution using phenolphthalein indicator. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals after wet digestion by measuring absorbance of ground-state atoms at element-specific wavelengths. |
| Chloride Content | Potentiometric Titration (AgNO3) | Precipitation of chloride ions with silver nitrate; endpoint detected via potential change using silver indicator electrode. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity against established reference samples under controlled lighting conditions. |
| Melting Point | Capillary Melting Point Determination | Thermal transition observed as solid-to-liquid phase change using calibrated capillary apparatus per USP <741>. |
| Density | Digital Density Meter (Oscillating U-tube) | Measurement of sample density based on resonant frequency shift of a vibrating U-shaped tube filled with the liquid. |
| Refractive Index | Refractometry (Abbe type) | Determination of refractive index at specified temperature and wavelength (e.g., 20 degC, sodium D line) via Snell's law application. |
| Residue on Ignition | Gravimetric Analysis (Sulfated Ash) | Non-volatile inorganic residue quantified after high-temperature ignition following sulfuric acid treatment and weighing. |
Technical Specifications of 3,4-Dichlorobenzyl bromide
| Test Item | Specification |
|---|---|
| Appearance | Yellow liquid |
| Purity | >=98.0% (GC-MS) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Identification (IR) | Consistent with structure |
| Refractive Index (n20/D) | 1.575–1.585 |
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 3,4-Dichlorobenzyl bromide
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 3,4-Dichlorobenzyl bromide
Packaging of 3,4-Dichlorobenzyl bromide
Industrial 3,4-Dichlorobenzyl bromide 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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