(S,S)-(-)-HYDROBENZOIN Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 2325-10-2 |
| Product name | (S,S)-(-)-HYDROBENZOIN |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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 (S,S)-(-)-HYDROBENZOIN
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk (S,S)-(-)-HYDROBENZOIN Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of (S,S)-(-)-HYDROBENZOIN
| Industry | Application | Process |
|---|---|---|
| Chemical Synthesis | Chiral Ligand | Used in asymmetric synthesis reactions (e.g., asymmetric hydrogenation, hydroboration reduction) as a ligand coordinated with metals (e.g., rhodium, ruthenium, titanium) to catalyze chiral product formation |
| Chemical Synthesis | Asymmetric Reducing Agent | Serves as a chiral source or precursor in the reduction of prochiral ketones to produce chiral alcohols |
| Pharmaceutical Industry | Drug Intermediate Synthesis | Applied in synthesizing chiral active pharmaceutical ingredients (APIs), enabling control of stereochemical purity |
| Organic Synthesis | Chiral Resolution Reagent | Employed for racemate resolution or enantiomer identification and separation |
Manufacturing Quality Control of (S,S)-(-)-HYDROBENZOIN
| 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 210-230 nm |
| Enantiomeric Excess (ee) | Chiral GC or Chiral HPLC | Direct separation of (S,S)- and (R,R)-enantiomers; ee calculated from peak area ratio |
| Appearance | Visual Inspection | Assessment of physical state, color, and presence of visible particulates under controlled lighting |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid using calibrated capillary method |
| Specific Rotation | [alpha]D Measurement | Measurement of optical rotation in solution using sodium D-line light; correlates with chiral purity |
| Loss on Drying (LOD) | Gravimetric Thermogravimetry | Mass loss after heating at 105 C for 2 h under controlled humidity and airflow |
| Residue on Ignition | Sulfated Ash Method | Weight of non-volatile residue remaining after high-temperature incineration in presence of sulfuric acid |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals by flame or graphite furnace AAS after acid digestion |
| Chloride Impurity | Potentiometric Titration with AgNO3 | Titration using silver nitrate; endpoint detected by silver ion-selective electrode |
| Related Substances | HPLC with UV Detection | Separation and quantification of impurities using reversed-phase C18 column and gradient elution |
| Water Content | Karl Fischer Coulometric Titration | Electrochemical determination of water based on iodine generation and stoichiometric reaction with water |
| pH of Aqueous Suspension | pH Meter Measurement | Measurement of pH in a defined suspension (e.g., 1% w/v in water) using calibrated pH electrode |
Technical Specifications of (S,S)-(-)-HYDROBENZOIN
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% (by LC-MS) |
| Optical Rotation | -95.0 to -97.0 deg (c=1, in methanol) |
| Melting Point | 134.0 to 137.0 °C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=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 (S,S)-(-)-HYDROBENZOIN
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of (S,S)-(-)-HYDROBENZOIN
Packaging of (S,S)-(-)-HYDROBENZOIN
Industrial (S,S)-(-)-HYDROBENZOIN 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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