(S)-(-)-1,1,2-Triphenylethane-1,2-diol Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 108998-83-0 |
| Product name | (S)-(-)-1,1,2-Triphenylethane-1,2-diol |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial 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)-(-)-1,1,2-Triphenylethane-1,2-diol
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk (S)-(-)-1,1,2-Triphenylethane-1,2-diol Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of (S)-(-)-1,1,2-Triphenylethane-1,2-diol
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Chiral resolving agent for preparing chiral drug intermediates | Used as a chiral auxiliary in asymmetric synthesis or chiral resolution reactions |
| Organic Synthesis | Chiral ligand precursor for constructing chiral catalysts | Coordination with metals (e.g., Ti, Cu) to form chiral Lewis acid catalysts, applied in asymmetric epoxidation, Diels–Alder, and related reactions |
| Materials Science | Structural building block for chiral functional materials | Introduced into polymer or liquid crystal backbones via derivatization to impart circular dichroism or chiral recognition capability |
Manufacturing Quality Control of (S)-(-)-1,1,2-Triphenylethane-1,2-diol
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC with Chiral Column | Separation and quantification based on enantioselective retention on a chiral stationary phase using UV detection. |
| Enantiomeric Excess (ee) | Chiral HPLC or GC | Quantitative comparison of peak areas of (S)- and (R)-enantiomers to determine optical purity. |
| Water Content | Karl Fischer Titration | Electrochemical titration where iodine reacts stoichiometrically with water in a methanol-based solvent system. |
| Residual Solvents | Gas Chromatography (GC) with FID | Volatile organic impurities separated by capillary column and detected via flame ionization. |
| Heavy Metals | ICP-OES | Multi-element quantification after acid digestion by measuring atomic emission intensities at characteristic wavelengths. |
| Chloride Impurity | Ion Chromatography (IC) | Separation of anions on an ion-exchange column followed by conductivity detection. |
| Sulfate Impurity | Ion Chromatography (IC) | Anion separation and quantitative detection of sulfate using suppressed conductivity. |
| Loss on Drying (LOD) | Gravimetric Analysis | Mass loss measured after controlled heating under specified time/temperature conditions. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed as solid-to-liquid phase change using calibrated capillary method. |
| Specific Optical Rotation | [a]D Measurement | Quantification of rotation angle of plane-polarized light passing through a solution at 20 C and 589 nm. |
| Related Substances | Reverse-Phase HPLC | Separation of structurally similar impurities using C18 column and gradient UV detection. |
| pH of Aqueous Suspension | Potentiometric pH Measurement | Hydrogen ion activity determined using calibrated glass electrode in saturated aqueous suspension. |
Technical Specifications of (S)-(-)-1,1,2-Triphenylethane-1,2-diol
| Test Item | Specification |
|---|---|
| Appearance | Off-white solid |
| Purity | >=98.0% (GC-MS) |
| Optical Rotation | -214 ± 15 ° (c=1, CHCl3) |
| Melting Point | 178–182 °C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=20 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 (S)-(-)-1,1,2-Triphenylethane-1,2-diol
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of (S)-(-)-1,1,2-Triphenylethane-1,2-diol
Safety Information of (S)-(-)-1,1,2-Triphenylethane-1,2-diol
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of (S)-(-)-1,1,2-Triphenylethane-1,2-diol
Industrial (S)-(-)-1,1,2-Triphenylethane-1,2-diol 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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