ETHYL (S)-(-)-2-(TERT-BUTYLDIMETHYLSILYLOXY)PROPIONATE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 106513-42-2 |
| Product name | ETHYL (S)-(-)-2-(TERT-BUTYLDIMETHYLSILYLOXY)PROPIONATE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Reagent GradeIndustrial GradeSpecialty Grade |
| Packaging | 25L/drum200L/drum1000L/IBC |
| 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 ETHYL (S)-(-)-2-(TERT-BUTYLDIMETHYLSILYLOXY)PROPIONATE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk ETHYL (S)-(-)-2-(TERT-BUTYLDIMETHYLSILYLOXY)PROPIONATE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of ETHYL (S)-(-)-2-(TERT-BUTYLDIMETHYLSILYLOXY)PROPIONATE
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Used as a chiral synthetic intermediate, particularly in the synthesis of β-blocker drugs (e.g., propranolol) | Applied as a chiral auxiliary or building block to introduce chiral centers via stereoselective synthesis |
| Organic Synthesis | Employed in constructing chiral molecular frameworks, such as chiral alcohols and chiral acid derivatives | Alkylation, acylation, and other reactions conducted under silyl ether protection, followed by deprotection to yield target products |
| Research & Development | Utilized at laboratory scale for methodology development or exploration of chiral synthetic routes in new drug discovery | Served as a high-optical-purity intermediate for optimizing asymmetric synthesis processes or evaluating catalytic reactions |
Manufacturing Quality Control of ETHYL (S)-(-)-2-(TERT-BUTYLDIMETHYLSILYLOXY)PROPIONATE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | GC-FID or HPLC-UV | Quantitative determination using a calibrated chromatographic method with internal or external standard. |
| Enantiomeric Excess (ee) | Chiral GC or Chiral HPLC | Separation of enantiomers on a chiral stationary phase followed by peak area comparison. |
| Residual Solvents | GC-FID with headspace sampling | Volatile organic impurities quantified against certified reference standards using calibrated GC. |
| Water Content | Karl Fischer Titration | Electrochemical titration based on the reaction of iodine with water in a controlled anhydrous environment. |
| Acid Value | Acid-Base Titration with NaOH | Neutralization of acidic impurities using standardized sodium hydroxide solution and potentiometric endpoint detection. |
| Residual Chloride | Ion Chromatography (IC) | Separation and quantification of chloride ions using anion-exchange column and conductivity detection. |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-MS | Multi-element detection via plasma ionization and mass spectrometric quantification at trace levels. |
| Residual Catalyst (e.g., Pd) | ICP-OES | Element-specific quantification after acid digestion using optical emission from excited atoms in argon plasma. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity against established reference standards under controlled lighting. |
| Refractive Index | Refractometry | Measurement of light refraction angle through liquid sample at specified temperature to assess purity and identity. |
| Specific Rotation | [a]D Measurement | Quantification of optical rotation using polarized light to confirm chiral integrity and concentration-corrected enantiopurity. |
| Residual Siloxanes (e.g., TBDMSCl) | GC-MS | Identification and quantification of silylating agent residues using mass spectral library matching and selected ion monitoring. |
Technical Specifications of ETHYL (S)-(-)-2-(TERT-BUTYLDIMETHYLSILYLOXY)PROPIONATE
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.0% (GC-MS) |
| Optical Rotation | -25.0 to -23.0 deg (c=1, CHCl3) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Refractive Index (n20/D) | 1.425–1.435 |
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 ETHYL (S)-(-)-2-(TERT-BUTYLDIMETHYLSILYLOXY)PROPIONATE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of ETHYL (S)-(-)-2-(TERT-BUTYLDIMETHYLSILYLOXY)PROPIONATE
Safety Information of ETHYL (S)-(-)-2-(TERT-BUTYLDIMETHYLSILYLOXY)PROPIONATE
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of ETHYL (S)-(-)-2-(TERT-BUTYLDIMETHYLSILYLOXY)PROPIONATE
Industrial ETHYL (S)-(-)-2-(TERT-BUTYLDIMETHYLSILYLOXY)PROPIONATE 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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