(S)-(-)-2-Methyl-2-propanesulfinamide Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 343338-28-3 |
| Product name | (S)-(-)-2-Methyl-2-propanesulfinamide |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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 (S)-(-)-2-Methyl-2-propanesulfinamide
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk (S)-(-)-2-Methyl-2-propanesulfinamide Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of (S)-(-)-2-Methyl-2-propanesulfinamide
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Industry | Chiral drug intermediates (for synthesizing drug molecules containing chiral centers) | Applied in asymmetric synthesis |
| Pharmaceutical Industry | Chiral auxiliaries (for constructing chiral amine structures) | Applied in imination reactions |
| Fine Chemicals | Organic synthesis building blocks (for preparing various chiral compounds) | Applied in nucleophilic addition reactions |
Manufacturing Quality Control of (S)-(-)-2-Methyl-2-propanesulfinamide
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification using reverse-phase HPLC with UV detection at 210 nm, comparing peak area to a certified reference standard. |
| Enantiomeric Excess (ee) | Chiral HPLC | Separation of R- and S-enantiomers on a chiral stationary phase, with UV detection and calculation of ee from peak area ratio. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine generated in situ to react stoichiometrically with water in the sample. |
| Residual Solvents | GC-FID | Headspace GC with flame ionization detection for quantification of common solvents (e.g., THF, EtOAc, hexane) against calibration standards. |
| Heavy Metals | ICP-OES | Multi-element detection after acid digestion; measures total metal content (e.g., Pb, Cd, Ni, Fe) based on atomic emission intensity. |
| Chloride Impurity | Ion Chromatography | Separation and quantification of chloride anions using suppressed conductivity detection with standard calibration. |
| Sulfate Impurity | Ion Chromatography | Separation and quantification of sulfate anions using suppressed conductivity detection with standard calibration. |
| Residual Palladium | ICP-MS | Ultra-trace detection of Pd after microwave-assisted acid digestion, based on isotopic mass spectrometry signal. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed visually or via automated optical detection as solid transforms to liquid. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity against established reference standards under controlled lighting. |
| Loss on Drying | Gravimetric Analysis | Weight loss measured after drying under specified temperature and vacuum conditions, indicating volatile content. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light induced by chiral molecules in solution, reported as [alpha]D value. |
Technical Specifications of (S)-(-)-2-Methyl-2-propanesulfinamide
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.0% (GC), >=99% ee |
| Optical Rotation | -2.0 to -6.0 deg (c=1, in CHCl3) |
| Melting Point | 75.0 to 79.0 °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)-(-)-2-Methyl-2-propanesulfinamide
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of (S)-(-)-2-Methyl-2-propanesulfinamide
Safety Information of (S)-(-)-2-Methyl-2-propanesulfinamide
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of (S)-(-)-2-Methyl-2-propanesulfinamide
Industrial (S)-(-)-2-Methyl-2-propanesulfinamide 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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