(R)-(+)-2,2'-Diamino-1,1'-binaphthalene Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 18741-85-0 |
| Product name | (R)-(+)-2,2'-Diamino-1,1'-binaphthalene |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeReagent 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 (R)-(+)-2,2'-Diamino-1,1'-binaphthalene
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk (R)-(+)-2,2'-Diamino-1,1'-binaphthalene Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of (R)-(+)-2,2'-Diamino-1,1'-binaphthalene
| Industry | Application | Process |
|---|---|---|
| Chemical Synthesis | Chiral Ligand Precursor | Used to synthesize BINAM-type chiral ligands for asymmetric catalysis (e.g., hydrogenation, alkylation) |
| Pharmaceuticals | Chiral Intermediate | Introduces axial chirality into drug molecule synthesis for preparing optically active pharmaceuticals |
| Materials Science | Building Block for Chiral Functional Materials | Used to synthesize chiral polymers or liquid crystalline materials to modulate optical properties |
| Analytical Chemistry | Chiral Derivatization Reagent | Applied as a chiral derivatization reagent for enantiomer separation and detection (e.g., HPLC) |
Manufacturing Quality Control of (R)-(+)-2,2'-Diamino-1,1'-binaphthalene
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC with Chiral Column | Separation and quantification using a chiral stationary phase and UV detection at 254 nm |
| Enantiomeric Excess (ee) | Chiral HPLC | Comparison of peak areas of (R)- and (S)-enantiomers on a chiral column to calculate enantiomeric excess |
| Water Content | Karl Fischer Titration | Electrochemical titration using iodine generation to quantify water based on stoichiometric reaction |
| Residue on Ignition | Gravimetric Analysis | Heating sample to 700-800 C to volatilize organic matter, then weighing inorganic residue |
| Heavy Metals | ICP-OES | Multi-element detection by measuring atomic emission intensities after plasma atomization and excitation |
| Chloride Impurity | Ion Chromatography | Separation of chloride ions on an anion-exchange column with conductivity detection |
| Sulfate Impurity | Ion Chromatography | Separation of sulfate ions on an anion-exchange column with conductivity detection |
| Related Substances | HPLC with UV Detection | Separation and quantification of impurities using reversed-phase HPLC and UV absorbance at 254 nm |
| Melting Point | Capillary Melting Point Apparatus | Thermal determination of solid-to-liquid transition range using calibrated capillary tube method |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light induced by chiral compound in solution |
| Loss on Drying | Thermogravimetric Analysis (TGA) | Weight loss measurement upon heating under controlled nitrogen atmosphere to determine volatile content |
| pH of Aqueous Suspension | Potentiometric pH Measurement | Determination of hydrogen ion activity in saturated aqueous suspension using calibrated pH electrode |
Technical Specifications of (R)-(+)-2,2'-Diamino-1,1'-binaphthalene
| Test Item | Specification |
|---|---|
| Appearance | Off-white solid |
| Purity | >=98.0% (GC-MS), >=99% ee |
| Optical Rotation | +155° to +160° (c=1, in CHCl3) |
| Melting Point | 220°C to 225°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | 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 (R)-(+)-2,2'-Diamino-1,1'-binaphthalene
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of (R)-(+)-2,2'-Diamino-1,1'-binaphthalene
Safety Information of (R)-(+)-2,2'-Diamino-1,1'-binaphthalene
| Pictograms |  |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of (R)-(+)-2,2'-Diamino-1,1'-binaphthalene
Industrial (R)-(+)-2,2'-Diamino-1,1'-binaphthalene 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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