METHYL 4-BROMOCROTONATE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 6000-00-6 |
| Product name | METHYL 4-BROMOCROTONATE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeIndustrial GradeSpecialty Grade |
| Packaging | 25L/drum |
| 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 4-BROMOCROTONATE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk METHYL 4-BROMOCROTONATE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of METHYL 4-BROMOCROTONATE
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Key chiral building block for synthesizing antitumor agents (e.g., gemcitabine derivatives) | Used in asymmetric epoxidation, hydrolysis, and esterification reactions |
| Agrochemical Intermediates | Structural unit for preparing novel insecticides and plant growth regulators | Applied in nucleophilic substitution reactions with amines to construct heterocyclic systems |
| Organic Synthesis | Used to construct complex molecules containing bromoalkene motifs, such as in total synthesis of natural products | Employed in palladium-catalyzed cross-coupling reactions (e.g., Heck, Suzuki) |
Manufacturing Quality Control of METHYL 4-BROMOCROTONATE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantifies main component by retention time and peak area comparison against certified reference standard. |
| Related Substances | Gas Chromatography (GC) with FID or MS detection | Separates and detects impurities based on relative retention times and response factors. |
| Water Content | Karl Fischer Titration | Measures water via stoichiometric reaction between iodine, sulfur dioxide, and water in anhydrous methanol/pyridine medium. |
| Acid Value | Acid-Base Titration with NaOH standard solution | Determines free acid content by neutralizing acidic impurities with standardized sodium hydroxide solution. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic residue after high-temperature ashing at 700-800 C. |
| Heavy Metals | ICP-OES | Quantifies trace metal contaminants (e.g., Pb, Cd, Hg, As) by atomic emission spectroscopy after acid digestion. |
| Chloride Impurity | Ion Chromatography (IC) | Separates and quantifies chloride ions using conductivity detection after aqueous extraction. |
| Color | Visual Comparison or Spectrophotometry (APHA scale) | Evaluates color intensity by comparing sample solution to platinum-cobalt standard solutions. |
| Density | Digital Density Meter | Determines mass per unit volume at specified temperature using oscillating U-tube principle. |
| Refractive Index | Refractometry | Measures bending of light through liquid sample at 20 C to assess purity and composition. |
| Boiling Point | Distillation Method (Micro or Macro) | Determines temperature range at which compound vaporizes under reduced or atmospheric pressure. |
| Odor | Sensory Evaluation | Assesses presence of off-odor indicative of degradation or contamination by trained personnel. |
Technical Specifications of METHYL 4-BROMOCROTONATE
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.0% (GC) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Refractive Index (n20/D) | 1.475–1.485 |
| Relative Density (20°C/25°C) | 1.32–1.34 g/cm³ |
| Odor | Characteristic ester-like 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 METHYL 4-BROMOCROTONATE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of METHYL 4-BROMOCROTONATE
Packaging of METHYL 4-BROMOCROTONATE
Industrial METHYL 4-BROMOCROTONATE 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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