China Factory Direct
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| CAS number | 121788-77-0 |
| Product name | (S,S)-N,N'-BIS(TRIFLUOROMETHANESULFONYL)-1,2-DIPHENYLETHYLENEDIAMINE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
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| Organic Synthesis | Chiral ligand precursor | Used to prepare chiral bis(sulfonylimine) ligands for asymmetric catalysis (e.g., asymmetric hydrogenation, epoxidation) |
| Catalytic Chemistry | Component of asymmetric catalysts | Coordinates with transition metals (e.g., Rh, Ru, Ir) to form chiral catalysts for high-enantioselectivity transformations |
| Pharmaceutical R&D | Chiral auxiliary or intermediate | Employed as a building block in the synthesis of chiral drug molecules to control stereochemical configuration |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reversed-phase HPLC with UV detection at 210–230 nm, comparing peak area against a certified reference standard. |
| Enantiomeric Purity | Chiral HPLC | Separation on a chiral stationary phase (e.g., Chiralpak AD-H or OD-H) with UV detection to resolve (S,S)- and (R,R)-enantiomers and calculate enantiomeric excess. |
| Residual Solvents | GC-FID | Headspace GC with flame ionization detection to quantify common solvents (e.g., dichloromethane, methanol, ethyl acetate) against calibrated standards. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine-based reagent to quantitatively determine water based on electrochemical reaction stoichiometry. |
| Heavy Metals (as Pb) | ICP-MS | Multi-element trace metal analysis after acid digestion; detection of Pb, Cd, Hg, As, and other regulated metals at sub-ppb levels. |
| Residual Catalysts (e.g., Pd, Rh) | ICP-OES | Quantification of transition metal residues post-catalytic synthesis via high-resolution optical emission spectroscopy after microwave-assisted digestion. |
| Acid Value | Potentiometric Titration | Titration with standardized KOH solution in isopropanol/toluene mixture; endpoint detected by pH electrode to assess free sulfonamide hydrolysis or acidic impurities. |
| Melting Point | Capillary Melting Point Apparatus | Determination of solid–liquid phase transition temperature range using calibrated digital apparatus per USP <741>. |
| Specific Optical Rotation | [α]D | Measurement of plane-polarized light rotation at 589 nm (Na D-line) in solution (e.g., CHCl₃), normalized to concentration and path length to confirm chiral integrity. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry powder dispersion using laser diffraction to report D10, D50, D90 values per ISO 13320. |
| Organic Volatile Impurities (OVI) | GC-MS | Screening and identification of structurally related degradants or synthetic intermediates using mass spectral library matching and retention time alignment. |
| Residual Triflic Acid | Ion Chromatography (IC) | Suppressed conductivity detection of trifluoromethanesulfonate anion after separation on an anion-exchange column with carbonate eluent. |
| Appearance & Color | Visual Inspection / Hazen/APHA Color Scale | Comparison of solution (e.g., 1% w/v in CHCl₃) against platinum-cobalt standards under controlled lighting per USP <631>. |
| Test Item | Specification |
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| Appearance | Pale-yellow solid |
| Purity | >=98.0% (LC-MS); >=99% ee |
| Optical Rotation | -23.5 ± 1.5° (c=1, CHCl3) |
| Melting Point | 148–152°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Identification (NMR) | Conforms to reference spectrum |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
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.