(1S,2S)-(-)-1,2-Diphenyl-1,2-ethanediamine Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 29841-69-8 |
| Product name | (1S,2S)-(-)-1,2-Diphenyl-1,2-ethanediamine |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Reagent GradeIndustrial GradeSpecialty 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 (1S,2S)-(-)-1,2-Diphenyl-1,2-ethanediamine
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk (1S,2S)-(-)-1,2-Diphenyl-1,2-ethanediamine Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of (1S,2S)-(-)-1,2-Diphenyl-1,2-ethanediamine
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Used as chiral ligands or catalysts in asymmetric synthesis reactions | Asymmetric catalytic hydrogenation, asymmetric addition, etc. |
| Fine Chemicals | Used to prepare optically active compounds | Chiral-induction synthesis |
| Research | Used as a research tool to explore the design and application of novel chiral catalysts | Laboratory-scale chiral catalyst screening experiments |
Manufacturing Quality Control of (1S,2S)-(-)-1,2-Diphenyl-1,2-ethanediamine
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component using reverse-phase HPLC with UV detection at 254 nm, comparing peak area to calibrated standard. |
| Enantiomeric Purity | Chiral HPLC | Separates (1S,2S) and other stereoisomers on a chiral stationary phase; enantiomeric excess calculated from peak areas. |
| Water Content | Karl Fischer Titration | Measures water via coulometric or volumetric titration with iodine-based reagent; based on stoichiometric reaction with water. |
| Residue on Ignition | Gravimetric Analysis | Determines inorganic ash content by ignition at 700-800 C followed by weighing of residual residue. |
| Heavy Metals | ICP-OES | Quantifies Pb, Cd, Hg, As, and other heavy metals after acid digestion using inductively coupled plasma optical emission spectroscopy. |
| Chloride Impurity | Ion Chromatography | Separates and quantifies chloride ions using anion-exchange column with suppressed conductivity detection. |
| Sulfate Impurity | Ion Chromatography | Separates and quantifies sulfate ions using anion-exchange column with suppressed conductivity detection. |
| Related Substances | HPLC-UV | Detects and quantifies structurally related impurities (e.g., mono-debenzylated, oxidation products) using gradient HPLC-UV. |
| Optical Rotation | Polarimetry | Measures specific rotation at 20 C using sodium D-line (589 nm); confirms chiral integrity and batch consistency. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid, indicating purity and identity. |
| Solvent Residues | GC-FID | Quantifies residual solvents (e.g., methanol, ethyl acetate, toluene) using gas chromatography with flame ionization detection. |
| pH of Aqueous Solution | Potentiometric pH Measurement | Measures hydrogen ion activity in 1% w/v aqueous solution using calibrated pH electrode and reference buffer. |
Technical Specifications of (1S,2S)-(-)-1,2-Diphenyl-1,2-ethanediamine
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.0% (GC-MS) |
| Optical Rotation | -108.0 to -98.0 deg (c=1, in methanol) |
| Melting Point | 98.0 to 102.0 °C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=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 (1S,2S)-(-)-1,2-Diphenyl-1,2-ethanediamine
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of (1S,2S)-(-)-1,2-Diphenyl-1,2-ethanediamine
Safety Information of (1S,2S)-(-)-1,2-Diphenyl-1,2-ethanediamine
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of (1S,2S)-(-)-1,2-Diphenyl-1,2-ethanediamine
Industrial (1S,2S)-(-)-1,2-Diphenyl-1,2-ethanediamine 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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