2,2'-Bis(2-hydroxyethoxy)-1,1'-binaphthyl Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 55441-95-7 |
| Product name | 2,2'-Bis(2-hydroxyethoxy)-1,1'-binaphthyl |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial 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 2,2'-Bis(2-hydroxyethoxy)-1,1'-binaphthyl
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2,2'-Bis(2-hydroxyethoxy)-1,1'-binaphthyl Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2,2'-Bis(2-hydroxyethoxy)-1,1'-binaphthyl
| Industry | Application | Process |
|---|---|---|
| Chemical Reagents | Used as a ligand in organic synthesis, particularly as a chiral ligand in asymmetric catalysis | Prepared via multi-step organic synthesis involving coupling and hydroxylation of halogenated naphthalene |
| Pharmaceuticals | Serves as a key intermediate in drug synthesis for constructing optically active compounds | Applied in chiral synthesis to introduce stereocenters, leveraging its structural features |
| Materials Science | Used in synthesizing optically functional materials, such as photochromic or fluorescent materials | Integrated into polymerization reactions or combined with other functional molecules to tailor optoelectronic properties |
Manufacturing Quality Control of 2,2'-Bis(2-hydroxyethoxy)-1,1'-binaphthyl
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification by comparison of peak area against a certified reference standard using reversed-phase chromatography and UV detection at 254 nm. |
| Related Substances | HPLC-UV | Separation and quantification of structurally similar impurities using gradient HPLC with UV detection and relative response factors. |
| Residual Solvents | GC-FID | Headspace gas chromatography with flame ionization detection to quantify volatile organic solvents based on retention time and peak area. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine generated electrochemically to react stoichiometrically with water in the sample. |
| Heavy Metals | ICP-MS | Multi-element detection of trace metal contaminants after acid digestion, based on mass-to-charge ratio and isotopic abundance. |
| Chloride Content | Ion Chromatography | Separation and quantification of chloride ions using anion-exchange column and suppressed conductivity detection. |
| Sulfated Ash | Gravimetric Analysis | Incineration at 700-800 C followed by weighing of residual inorganic salts after sulfuric acid treatment. |
| Optical Rotation | [alpha]D Measurement | Determination of specific rotation using a polarimeter at 20 C with sodium D-line (589 nm) light source. |
| Melting Point | Capillary Melting Point Apparatus | Thermal determination of solid-to-liquid transition range using controlled heating and visual observation. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity against established reference standards under controlled lighting. |
| Residue on Ignition | Gravimetric Analysis | Weighing of non-volatile residue after ignition at 500-600 C in a muffle furnace. |
| pH of Aqueous Suspension | pH Meter | Measurement of hydrogen ion activity in a defined suspension (e.g., 1% w/v in water) using calibrated pH electrode. |
Technical Specifications of 2,2'-Bis(2-hydroxyethoxy)-1,1'-binaphthyl
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Melting Point | 220-225°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 ppm |
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 2,2'-Bis(2-hydroxyethoxy)-1,1'-binaphthyl
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Safety Information of 2,2'-Bis(2-hydroxyethoxy)-1,1'-binaphthyl
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 2,2'-Bis(2-hydroxyethoxy)-1,1'-binaphthyl
Industrial 2,2'-Bis(2-hydroxyethoxy)-1,1'-binaphthyl 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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