China Factory Direct
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| CAS number | 66548-21-8 |
| Product name | tert-butyl-methoxy-dimethylsilane |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeElectronic GradeReagent 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) |
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 |
|---|---|---|
| Pharmaceuticals | Hydroxyl protecting reagent | Used in organic synthesis to selectively protect alcohol hydroxyl groups, enhancing reaction selectivity and yield |
| Electronic Materials | Precursor for silane coupling agents | Used to prepare high-purity siloxane compounds as intermediates for semiconductor encapsulation or dielectric materials |
| Organic Synthesis | Protecting reagent | Temporarily masks hydroxyl groups in multi-step syntheses to prevent side reactions; deprotection is achieved using acid or fluoride ions |
| Materials Science | Surface modifier | Modifies the surface of inorganic materials (e.g., silica, glass) to introduce hydrophobic methyl groups |
| Analytical Chemistry | Derivatization reagent | Applied in sample preparation for gas chromatography (GC) or mass spectrometry (MS) to improve volatility and detection sensitivity of hydroxyl-containing compounds |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) | Quantitative separation and detection of components based on volatility and interaction with column stationary phase. |
| Water Content | Karl Fischer Titration | Electrochemical titration where iodine reacts stoichiometrically with water in a methanol-based solvent system. |
| Acid Value | Acid-Base Titration | Neutralization of acidic impurities with standardized NaOH solution using phenolphthalein or potentiometric endpoint detection. |
| Chloride Content | Ion Chromatography (IC) | Separation and quantification of chloride ions via ion-exchange column with conductivity detection. |
| Residue on Ignition | Gravimetric Analysis | Determination of non-volatile inorganic residue after high-temperature ashing and weighing. |
| Color | Visual Comparison or Spectrophotometry | Comparison against platinum-cobalt standard solutions or measurement of absorbance at specified wavelength (e.g., 430 nm). |
| Density | Digital Density Meter | Measurement of mass per unit volume using oscillating U-tube principle calibrated with reference standards. |
| Refractive Index | Refractometry | Determination of light bending angle at air-sample interface using calibrated prism instrument. |
| Volatile Impurities | Headspace Gas Chromatography (HS-GC) | Analysis of low-boiling contaminants by gas-phase equilibration followed by GC separation and detection. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element detection of trace metals via plasma excitation and atomic emission spectroscopy. |
| Residual Solvents | Gas Chromatography (GC) with FID | Separation and flame ionization detection of common solvents (e.g., hexane, toluene) using calibrated standards. |
| pH of Aqueous Solution | Potentiometric pH Measurement | Determination of hydrogen ion activity using calibrated glass electrode in aqueous extract. |
| Test Item | Specification |
|---|---|
| Appearance | Colorless oil |
| Purity | >=98.5% (GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Refractive Index (n20/D) | 1.405–1.415 |
| Odor | Characteristic, mild odor |
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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.