ETHYL 3,4-DIFLUOROBENZOATE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 144267-96-9 |
| Product name | ETHYL 3,4-DIFLUOROBENZOATE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural 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 ETHYL 3,4-DIFLUOROBENZOATE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk ETHYL 3,4-DIFLUOROBENZOATE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of ETHYL 3,4-DIFLUOROBENZOATE
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Key intermediate for synthesizing antitumor agents (e.g., BTK inhibitors) | Esterification or transesterification: refluxing 3,4-difluorobenzoic acid with ethanol under acid catalysis (e.g., concentrated sulfuric acid or p-toluenesulfonic acid); alternatively, acyl chloride route (activation with SOCl₂ followed by reaction with ethanol) |
| Pesticide R&D | Fluorinated structural motif for modifying agricultural fungicides and herbicides | Participates in nucleophilic substitution or palladium-catalyzed cross-coupling reactions (e.g., Suzuki, Heck) to introduce fluorinated aryl fragments onto heterocyclic scaffolds |
| Organic Synthesis | Fluoroaryl building block for constructing liquid crystal materials and OLED functional molecules | Lithium–halogen exchange (using n-BuLi at low temperature) to generate aryllithium reagents, followed by addition to aldehydes/ketones or CO₂ trapping to yield carboxylic acid derivatives; alternatively, serves as substrate in Ullmann coupling |
Manufacturing Quality Control of ETHYL 3,4-DIFLUOROBENZOATE
| 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 calibrated column and temperature program. |
| Related Substances | High Performance Liquid Chromatography (HPLC) with UV detection | Separation and quantification of impurities by retention time and UV absorbance relative to the main peak. |
| Residual Solvents | Gas Chromatography (GC) with Headspace sampling | Identification and quantification of volatile organic solvents based on partitioning into headspace and FID response. |
| Water Content | Karl Fischer Titration (Coulometric mode) | Electrochemical titration where iodine generated in situ reacts stoichiometrically with water; endpoint detected amperometrically. |
| Acid Value | Acid-Base Titration with NaOH standard solution | Neutralization of free carboxylic acid groups using standardized sodium hydroxide solution with phenolphthalein indicator. |
| Heavy Metals (as Pb) | Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) | Quantification of metallic impurities after acid digestion by measuring element-specific atomic emission intensities. |
| Chloride Content | Ion Chromatography (IC) with conductivity detection | Separation of anions on an ion-exchange column and detection via changes in electrical conductivity. |
| Appearance | Visual Inspection against standard white background | Subjective assessment of physical state, color, and clarity under controlled lighting and viewing conditions. |
| Melting Point | Capillary Melting Point Apparatus | Determination of solid-to-liquid transition temperature range using calibrated capillary tube and controlled heating rate. |
| Refractive Index | Digital Refractometer at 20 degrees C | Measurement of light bending angle at air-sample interface to determine optical density at specified temperature. |
| Specific Optical Rotation | Polarimeter at 20 degrees C | Quantification of chiral compound's ability to rotate plane-polarized light using sodium D-line source and standardized cell path length. |
| Residue on Ignition | Gravimetric Analysis after high-temperature ashing | Weighing of non-volatile inorganic residue remaining after combustion at 700-800 degrees C in a muffle furnace. |
Technical Specifications of ETHYL 3,4-DIFLUOROBENZOATE
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.0% (GC-MS) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Refractive Index (n20/D) | 1.495–1.505 |
| Relative Density (20°C/25°C) | 1.18–1.22 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 ETHYL 3,4-DIFLUOROBENZOATE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of ETHYL 3,4-DIFLUOROBENZOATE
Packaging of ETHYL 3,4-DIFLUOROBENZOATE
Industrial ETHYL 3,4-DIFLUOROBENZOATE 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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