(R)-(+)-1,1'-Bi-2-naphthol Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 18531-94-7 |
| Product name | (R)-(+)-1,1'-Bi-2-naphthol |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeReagent 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 (R)-(+)-1,1'-Bi-2-naphthol
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk (R)-(+)-1,1'-Bi-2-naphthol Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of (R)-(+)-1,1'-Bi-2-naphthol
| Industry | Application | Process |
|---|---|---|
| Chemical Synthesis | Chiral ligand or catalyst precursor | Used in asymmetric catalytic reactions |
| Pharmaceutical Industry | Synthesis of chiral drug intermediates | Applied in chiral resolution and asymmetric synthesis |
| Materials Science | Construction of chiral supramolecular structures | Applied in self-assembly or coordination polymerization |
| Analytical Chemistry | Chiral recognition probes or sensor materials | Used in chromatographic stationary phases or fluorescent sensing systems |
Manufacturing Quality Control of (R)-(+)-1,1'-Bi-2-naphthol
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 220-280 nm, comparing peak area to a certified reference standard. |
| Enantiomeric Excess (ee) | Chiral HPLC | Separation of R and S enantiomers on a chiral stationary phase, with UV detection and calculation of ee from peak area ratio. |
| Residual Solvents | GC-FID | Headspace GC with flame ionization detection to quantify common organic solvents (e.g., methanol, toluene, ethyl acetate) based on calibrated response. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification after acid digestion, measuring total heavy metals via plasma optical emission spectroscopy. |
| Chloride Content | Ion Chromatography | Separation and quantification of chloride anions using suppressed conductivity detection after aqueous extraction. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration with iodine-based reagent to determine trace water by stoichiometric reaction. |
| Melting Point | Capillary Melting Point Apparatus | Determination of solid-to-liquid transition temperature using calibrated capillary apparatus per USP <741>. |
| Appearance | Visual Inspection | Assessment of physical state, color, and presence of foreign particles against a white background under controlled lighting. |
| Residue on Ignition | Gravimetric Analysis | Weighing residue remaining after high-temperature ashing (550-600 C) to determine inorganic impurities. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light at 20 C using sodium D-line (589 nm) to confirm chiral identity and concentration. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry or dispersed sample using laser scattering to determine D10, D50, D90 values per ISO 13320. |
| Organic Volatile Impurities (Other than solvents) | GC-MS | Screening and semi-quantitative identification of non-specified volatile organics using mass spectral library matching and selected ion monitoring. |
Technical Specifications of (R)-(+)-1,1'-Bi-2-naphthol
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.0% (by LC-MS) |
| Melting Point | 210–214 °C |
| Optical Rotation | +34.0 to +38.0 ° (c=1, in CHCl3) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| 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 (R)-(+)-1,1'-Bi-2-naphthol
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of (R)-(+)-1,1'-Bi-2-naphthol
Packaging of (R)-(+)-1,1'-Bi-2-naphthol
Industrial (R)-(+)-1,1'-Bi-2-naphthol 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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