Methyl 3-bromo-4-methylbenzoate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 104901-43-1 |
| Product name | Methyl 3-bromo-4-methylbenzoate |
| 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 Methyl 3-bromo-4-methylbenzoate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Methyl 3-bromo-4-methylbenzoate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Methyl 3-bromo-4-methylbenzoate
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical R&D | Organic synthesis intermediate | Used in the synthesis of bioactive drug molecules, serving as an aromatic ring building block incorporated into target compounds |
| Agrochemical R&D | Agrochemical intermediate | Applied in constructing brominated and methylated aromatic systems for developing novel insecticides or herbicides |
| Organic Synthesis | Synthesis of bromoarene derivatives | Enables functional group transformation via transition-metal-catalyzed reactions such as Suzuki coupling and Heck reaction |
| Materials Science | Functional material precursor | Used to prepare functional monomers for specialized liquid crystal materials or polymeric materials |
Manufacturing Quality Control of Methyl 3-bromo-4-methylbenzoate
| Test Item | Common Test Methods | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the sample's color, physical state, and presence of visible impurities under natural or standard lighting. It should typically be a white to off-white crystalline powder. |
| Identification | Infrared Spectroscopy (IR) High-Performance Liquid Chromatography (HPLC) Proton Nuclear Magnetic Resonance (¹H NMR) |
Compare characteristic absorption peaks in the IR spectrum; match HPLC retention time with that of a reference standard; analyze chemical shifts and coupling constants of hydrogen atoms via ¹H NMR to confirm molecular structure. |
| Assay | High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase C18 column with methanol-water or acetonitrile-water as the mobile phase. Detect using a UV detector (e.g., at 254 nm) and calculate the main component content by external standard method. Typically requires ≥98.0% purity. |
| Related Substances (Impurities) | High-Performance Liquid Chromatography (HPLC) | Employ gradient or isocratic elution to separate and detect process-related impurities and degradation products. Calculate individual impurity levels using area normalization or correction factor methods. Individual impurities typically ≤0.5%, total impurities ≤1.0%. |
| Melting Point | Capillary Melting Point Method | Determine the melting temperature range using a melting point apparatus. The typical melting point of 3-bromo-4-methylbenzoic acid methyl ester is approximately 68–72 °C, used to assess purity and crystal form consistency. |
| Water Content | Karl Fischer Titration | Quantitatively react water in the sample with Karl Fischer reagent to determine moisture content. Generally requires ≤0.5%. |
| Residual Solvents | Gas Chromatography (GC) | Using headspace or direct injection, analyze residual organic solvents (e.g., methanol, dichloromethane, toluene) from synthesis on polar or non-polar capillary columns with an FID detector. Must comply with ICH Q3C limits. |
| Sulfated Ash / Residue on Ignition | Gravimetric Method | Weigh the inorganic residue remaining after igniting the sample at high temperature (approximately 700–800 °C) to evaluate inorganic impurity content. Typically requires ≤0.1%. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) or Inductively Coupled Plasma Mass Spectrometry (ICP-MS) |
Digest the sample and measure elemental concentrations of heavy metals such as lead, cadmium, mercury, and arsenic. Must meet pharmacopoeial or ICH Q3D limits (e.g., total heavy metals ≤20 ppm). |
Technical Specifications of Methyl 3-bromo-4-methylbenzoate
| Test Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Identification (NMR) | Conforms to reference spectrum |
| Refractive Index (n20/D) | 1.560–1.570 |
| Relative Density (20°C/25°C) | 1.32–1.34 g/cm³ |
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 Methyl 3-bromo-4-methylbenzoate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Methyl 3-bromo-4-methylbenzoate
Safety Information of Methyl 3-bromo-4-methylbenzoate
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of Methyl 3-bromo-4-methylbenzoate
Industrial Methyl 3-bromo-4-methylbenzoate 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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