(R)-(+)-ALPHA-METHYL-2-NAPHTHALENEMETHANOL Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 52193-85-8 |
| Product name | (R)-(+)-ALPHA-METHYL-2-NAPHTHALENEMETHANOL |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Reagent GradeIndustrial 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 (R)-(+)-ALPHA-METHYL-2-NAPHTHALENEMETHANOL
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk (R)-(+)-ALPHA-METHYL-2-NAPHTHALENEMETHANOL Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of (R)-(+)-ALPHA-METHYL-2-NAPHTHALENEMETHANOL
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Chiral resolving agent and chiral auxiliary for synthesizing chiral drugs (e.g., naproxen, (S)-ibuprofen, and other nonsteroidal anti-inflammatory drugs) | Used as a chiral solvent or chiral ligand in asymmetric synthesis, kinetic resolution, or chromatographic separation; commonly applied in preparing chiral stationary phases or chiral-inducing crystallization |
| Fine Chemicals | Chiral intermediate for synthesizing optically active naphthalene derivatives | Constructs chiral naphthyl structural units via derivatization reactions—including esterification, oxidation, and substitution—for synthesizing precursors to liquid crystal materials and organic light-emitting diode (OLED) materials |
| Analytical Chemistry | Chiral ligand bonded to chromatographic column stationary phases | Coupled to silica-based supports to prepare high-performance liquid chromatography (HPLC) chiral stationary phases for enantiomer separation and purity analysis |
Manufacturing Quality Control of (R)-(+)-ALPHA-METHYL-2-NAPHTHALENEMETHANOL
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC with Chiral Column | Separation and quantification of (R)-(+)-enantiomer using chiral stationary phase and UV detection at ~220 nm. |
| Enantiomeric Excess (ee) | Chiral GC or Chiral HPLC | Direct enantiomer ratio determination via baseline-resolved peaks of (R) and (S) enantiomers. |
| Water Content | Karl Fischer Titration | Electrochemical titration quantifying water based on iodine consumption in pyridine/methanol solvent system. |
| Residual Solvents | Gas Chromatography (GC-FID) | Separation and quantification of volatile solvents (e.g., ethanol, toluene) using flame ionization detection. |
| Heavy Metals | ICP-MS or ICP-OES | Multi-element quantification of toxic metals (e.g., Pb, Cd, Hg, As) after acid digestion and plasma excitation/ionization. |
| Acid Value | Potentiometric Titration with NaOH | Neutralization of acidic impurities (e.g., carboxylic acids) using standardized sodium hydroxide solution; endpoint detected by pH change. |
| Optical Rotation | [α]D Measurement | Quantification of specific rotation at 589 nm (Na-D line) using a calibrated polarimeter to confirm chiral integrity and concentration. |
| Appearance and Color | Visual Inspection & APHA Color Scale | Subjective assessment against water-white standard; color intensity compared to platinum-cobalt scale. |
| Residue on Ignition | Gravimetric Analysis | Mass measurement of non-volatile inorganic residue after controlled high-temperature ashing (700–800 °C). |
| Related Substances | HPLC with UV Detection | Separation and quantification of structurally related impurities (e.g., 2-naphthaldehyde, acetophenone derivatives) using reversed-phase column and UV detection. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition detection via controlled heating; onset and range indicate purity and identity. |
| Chloride Impurity | Ion Chromatography (IC) or Potentiometric Titration | Quantification of chloride ions using conductivity detection (IC) or silver nitrate titration with potentiometric endpoint. |
| Sulfated Ash | Gravimetric Analysis | Weight measurement of residue after sulfuric acid treatment and high-temperature incineration (500–600 °C). |
Technical Specifications of (R)-(+)-ALPHA-METHYL-2-NAPHTHALENEMETHANOL
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% (GC-MS) |
| Optical Rotation | +37.0 to +42.0° (c=1, in CHCl3) |
| Melting Point | 62.0 to 66.0°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)-(+)-ALPHA-METHYL-2-NAPHTHALENEMETHANOL
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of (R)-(+)-ALPHA-METHYL-2-NAPHTHALENEMETHANOL
Safety Information of (R)-(+)-ALPHA-METHYL-2-NAPHTHALENEMETHANOL
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of (R)-(+)-ALPHA-METHYL-2-NAPHTHALENEMETHANOL
Industrial (R)-(+)-ALPHA-METHYL-2-NAPHTHALENEMETHANOL 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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