1,2-Bis(3-indenyl)ethane Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 18657-57-3 |
| Product name | 1,2-Bis(3-indenyl)ethane |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty Grade |
| Packaging | 25KG/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 1,2-Bis(3-indenyl)ethane
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1,2-Bis(3-indenyl)ethane Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1,2-Bis(3-indenyl)ethane
| Industry | Application | Process |
|---|---|---|
| Chemical Research | Organic synthesis intermediate | Used in the synthesis of polycyclic aromatic hydrocarbons and functionalized indene derivatives |
| Materials Science | Fluorescent material precursor | Applied in the preparation of organic semiconductor materials with optoelectronic properties |
| Polymer Chemistry | Monomer or crosslinking agent | Used in specific polymerization reactions to construct rigid molecular structures |
Manufacturing Quality Control of 1,2-Bis(3-indenyl)ethane
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component using reversed-phase chromatography with UV detection at characteristic wavelength. |
| Related Substances | HPLC-UV | Separates and quantifies structurally similar impurities based on retention time and peak area relative to main peak. |
| Residual Solvents | GC-FID | Detects and quantifies volatile organic solvents by gas chromatographic separation and flame ionization detection. |
| Water Content | Karl Fischer Titration | Measures water via stoichiometric reaction between water, iodine, sulfur dioxide, and base in methanol medium. |
| Heavy Metals | ICP-OES | Determines total elemental metal impurities (e.g., Pb, Cd, Hg, As) by plasma excitation and atomic emission spectroscopy. |
| Chloride Content | Ion Chromatography | Separates and quantifies chloride ions using anion-exchange column and conductivity detection. |
| Sulfated Ash | Gravimetric Analysis | Measures inorganic residue after controlled combustion with sulfuric acid treatment and high-temperature incineration. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid using capillary tube and calibrated heating block. |
| Appearance | Visual Inspection | Assesses physical state, color, and presence of visible particulates or phase separation under standardized lighting and conditions. |
| Specific Optical Rotation | Polarimetry | Measures angle of rotation of plane-polarized light induced by chiral molecules in solution. |
| Bulk Density | Tap Density Tester | Determines mass per unit volume of powder after standardized tapping to simulate industrial handling conditions. |
| Particle Size Distribution | Laser Diffraction | Analyzes size distribution of solid particles by measuring angular variation in intensity of scattered laser light. |
Technical Specifications of 1,2-Bis(3-indenyl)ethane
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (GC-MS) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 148–152°C |
| Identification (NMR) | Consistent with structure |
| Identification (IR) | Consistent with structure |
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 1,2-Bis(3-indenyl)ethane
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1,2-Bis(3-indenyl)ethane
Packaging of 1,2-Bis(3-indenyl)ethane
Industrial 1,2-Bis(3-indenyl)ethane 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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