China Factory Direct
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| CAS number | 496-16-2 |
| Product name | 2,3-Dihydrobenzofuran |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeIndustrial GradeSpecialty GradeCosmetic GradeFood 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate for synthesizing antidepressants, antipsychotics, and other drugs | Used to construct the target molecular scaffold via organic reactions such as substitution and condensation |
| Pesticides | Structural building block for synthesizing insecticides or herbicides | Applied as a heterocyclic precursor in multi-step synthesis of active ingredients |
| Fine Fragrances | Used in formulating fragrances with woody or floral notes | Applied as an aromatic component—modified via esterification or etherification—then incorporated into fragrance bases |
| Organic Synthesis | Key intermediate for constructing oxygen-containing heterocyclic compounds | Applied to introduce the benzofuran structure via electrophilic substitution, reduction, cyclization, and related reactions |
| Detection Item | Common Analytical Method | Method Overview |
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| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantifies 2,3-dihydrobenzofuran peak area against a calibration curve using an internal or external standard. |
| Water Content | Karl Fischer Titration | Measures water via coulometric or volumetric titration based on the reaction of iodine with water in a pyridine-methanol solvent system. |
| Acidity (as H2SO4) | Acid-Base Titration with NaOH | Neutralizes acidic impurities using standardized sodium hydroxide solution and phenolphthalein or potentiometric endpoint detection. |
| Color (APHA) | Visual Comparison or Spectrophotometric Measurement at 455 nm | Compares sample color to APHA platinum-cobalt standards or measures absorbance at 455 nm in a 10 cm cell. |
| Density at 20 degC | Digital Density Meter | Determines mass per unit volume using oscillating U-tube principle calibrated with air and water. |
| Refractive Index at 20 degC | Abbe Refractometer | Measures bending of light at the liquid-air interface to calculate refractive index at specified temperature. |
| Residue on Evaporation | Gravimetric Analysis | Evaporates a known volume under controlled conditions and weighs non-volatile residue after drying. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantifies total heavy metals by atomizing the acid-digested sample and measuring absorption at element-specific wavelengths. |
| Non-Volatile Residue | Gravimetric Analysis | Dries a weighed sample to constant weight at 105 degC and determines residue mass. |
| Distillation Range | Simple Distillation Apparatus with Thermometer | Measures initial and final boiling points under atmospheric pressure using standardized distillation setup. |
| Chlorinated Impurities | Gas Chromatography-Mass Spectrometry (GC-MS) | Identifies and quantifies chlorinated organic impurities via retention time and characteristic ion fragments. |
| Peroxide Value | Iodometric Titration | Measures peroxides by oxidation of iodide to iodine in acetic acid/chloroform medium, followed by sodium thiosulfate titration. |
| Test Item | Specification |
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| Appearance | Colorless to pale yellow liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.545–1.549 |
| Relative Density (20°C/25°C) | 1.085–1.095 g/cm³ |
| Odor | Characteristic aromatic odor |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
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.