2,2'-[9H-Fluoren-9-ylidenebis(4,1-phenyleneoxymethylene)]bis-oxirane Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 47758-37-2 |
| Product name | 2,2'-[9H-Fluoren-9-ylidenebis(4,1-phenyleneoxymethylene)]bis-oxirane |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial GradeElectronic Grade |
| Packaging | 25KG/bag500KG/bag1000KG/bag |
| 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 47758-37-2
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 47758-37-2 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 47758-37-2
| Industry | Application | Process |
|---|---|---|
| Electronic Materials | Epoxy encapsulation materials | Used as a crosslinker for high-performance epoxy resins in semiconductor and integrated circuit encapsulation to enhance thermal stability and mechanical strength |
| Composites | Matrix resins for high-performance composites | Applied in aerospace and high-end industrial composites to improve the heat resistance and dielectric properties of resin systems |
| Coatings | High-temperature corrosion-resistant coatings | Incorporated into specialty coating formulations to improve adhesion, chemical resistance, and thermal stability of the coating |
| Photoresists | Component of semiconductor photoresists | Used as a photosensitive epoxy resin component in photolithography processes for microelectronics manufacturing |
| Insulating Materials | Electrical insulating materials | Employed in high-voltage electrical equipment as an epoxy matrix for insulating castings or laminates to increase dielectric strength and arc resistance |
Manufacturing Quality Control of 47758-37-2
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification by peak area comparison against a certified reference standard using reversed-phase chromatography and UV detection at 220-280 nm. |
| Epoxy Equivalent Weight (EEW) | Acid Titration | Determination via hydrolysis of epoxy groups with HBr in acetic acid followed by back-titration with standardized NaOH. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Measurement of yellowness intensity by comparing sample absorbance at 430 nm to APHA color scale standards. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration using iodine generated in situ to quantify water content based on stoichiometric reaction. |
| Residue on Ignition | Gravimetric Analysis | Weighing residue remaining after high-temperature ashing (750-800 C) to determine inorganic impurities. |
| Chloride Content | Ion Chromatography (IC) | Separation and quantification of chloride anions using anion-exchange column and conductivity detection. |
| Heavy Metals (Pb, Cd, Hg, Cr) | ICP-OES | Multi-element detection after microwave-assisted acid digestion by measuring atomic emission intensities at characteristic wavelengths. |
| Volatile Organic Impurities | GC-FID | Separation and quantification of low-boiling impurities using capillary GC with flame ionization detection. |
| Viscosity (40 C) | Rotational Viscometry | Measurement of resistance to flow under controlled shear rate using calibrated spindle in thermostatted bath. |
| Melting Point | Capillary Melting Point Apparatus | Determination of solid-to-liquid transition temperature range by optical observation during controlled heating. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity patterns to calculate volume-based particle size distribution. |
| Organic Volatile Impurities (Residual Solvents) | Headspace GC-MS | Extraction and identification/quantification of residual solvents (e.g., acetone, toluene) using headspace sampling and mass spectrometric detection. |
Technical Specifications of 47758-37-2
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.0% (by LC-MS) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 215–220 °C |
| Identification (NMR) | Conforms to reference spectrum |
| Identification (IR) | Conforms to reference spectrum |
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 47758-37-2
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 47758-37-2
Packaging of 47758-37-2
Industrial 47758-37-2 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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