Ethyl 1,4-Benzodioxan-2-carboxylate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 4739-94-0 |
| Product name | Ethyl 1,4-Benzodioxan-2-carboxylate |
| 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 1,4-Benzodioxan-2-carboxylate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Ethyl 1,4-Benzodioxan-2-carboxylate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Ethyl 1,4-Benzodioxan-2-carboxylate
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Key intermediate for synthesizing cardiovascular drugs (e.g., doxazosin) | Constructs the benzodioxane structure via reduction and condensation reactions, followed by functional group transformations to yield the target drug molecule |
| Organic Synthesis | Chiral building block or protecting group carrier in complex molecule synthesis | Leverages its rigid ring structure and modifiable ester group for asymmetric catalysis or selective functionalization |
| Pesticide Development | Potential use in developing novel insecticides or fungicides containing the benzodioxane scaffold | Introduces pharmacophores via structural modification to optimize biological activity and environmental stability |
Manufacturing Quality Control of Ethyl 1,4-Benzodioxan-2-carboxylate
| Test Item | Common Testing Method | Method Description |
|---|---|---|
| Appearance | Visual Inspection | Observe sample color, state (e.g., colorless to light yellow liquid), clarity, and presence of foreign matter or precipitates. |
| Identification | Infrared Spectroscopy (IR) | Confirm characteristic functional groups (e.g., ester, benzene ring, ether) by comparing the IR absorption spectrum with a standard spectrum. |
| Nuclear Magnetic Resonance Hydrogen Spectrum (¹H NMR) | Analyze hydrogen atom chemical shifts and coupling constants via NMR spectroscopy to verify molecular structure. | |
| Content Determination | High-Performance Liquid Chromatography (HPLC) | Use a reverse-phase column and UV detector (e.g., 210–230 nm) for quantifying the main component; calculate using external standard method or area normalization. |
| Related Substances/Impurity Analysis | HPLC (Gradient Elution) | Separate potential process impurities or degradation products using gradient elution; set impurity limits (e.g., single impurity ≤ 0.5%, total impurities ≤ 1.0%). |
| Water Content | Karl Fischer Titration | Determine water content by potentiometric or volumetric titration to meet dryness loss or moisture specifications (e.g., ≤ 0.5%). |
| Residual Solvents | Gas Chromatography (GC-FID or GC-MS) | Use headspace injection or direct injection to detect residual organic solvents from synthesis (e.g., ethanol, toluene, dichloromethane). |
| Melting Point/Boiling Point | Capillary Melting Point Apparatus / Distillation Method | Determine physical constants for auxiliary identification; as it is a liquid, boiling point or refractive index is typically measured instead. |
| Refractive Index | Abbe Refractometer | Measure refractive index at specified temperature (e.g., 20°C) as a physical constant for batch consistency control. |
| Heavy Metals | Atomic Absorption Spectrometry (AAS) or ICP-MS | Detect total heavy metals such as lead, arsenic, cadmium, mercury; usually required to be ≤ 10–20 ppm. |
| pH Value (if dissolved in solution) | pH Meter | Dissolve the sample in an appropriate solvent (e.g., water/ethanol mixture) and measure pH to evaluate acid-base stability or corrosion risk. |
Technical Specifications of Ethyl 1,4-Benzodioxan-2-carboxylate
| Test Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.525–1.535 |
| Relative Density (20°C/25°C) | 1.12–1.14 g/cm³ |
| Odor | Characteristic mild 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 Ethyl 1,4-Benzodioxan-2-carboxylate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Ethyl 1,4-Benzodioxan-2-carboxylate
Safety Information of Ethyl 1,4-Benzodioxan-2-carboxylate
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of Ethyl 1,4-Benzodioxan-2-carboxylate
Industrial Ethyl 1,4-Benzodioxan-2-carboxylate 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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