China Factory Direct
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| CAS number | 1873-77-4 |
| Product name | TRIS(TRIMETHYLSILYL)SILANE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeElectronic GradeReagent 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 |
|---|---|---|
| Organic Synthesis | Silylation reagent | Used to protect functional groups such as alcohols, phenols, and amines; enables selective silylation in combination with trimethylchlorosilane |
| Polymers | Crosslinking agent or end-capping agent | Employed in siloxane polymer synthesis to control molecular weight and end-group structure, thereby enhancing thermal stability |
| Semiconductor Manufacturing | Precursor for chemical vapor deposition (CVD) | Deposits silicon-containing thin films in low-temperature CVD processes for dielectric or passivation layers |
| Analytical Chemistry | Derivatization reagent | Used for silylation of polar compounds in gas chromatography–mass spectrometry (GC-MS) to improve volatility and detection sensitivity |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantifies main component peak area relative to calibration curve using internal or external standard. |
| Water Content | Karl Fischer Titration | Measures water via stoichiometric reaction between iodine, sulfur dioxide, and water in methanol/pyridine medium. |
| Residue on Evaporation | Gravimetric Analysis | Determines non-volatile residue after controlled evaporation under inert atmosphere and drying to constant weight. |
| Acid Number | Acid-Base Titration with Potentiometric End Point | Neutralizes acidic impurities with standardized KOH in isopropanol/toluene; endpoint detected by pH change. |
| Chloride Content | Ion Chromatography (IC) | Separates and quantifies chloride ions using anion-exchange column and conductivity detection. |
| Iron (Fe) Content | Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) | Atomizes and excites sample in plasma; measures characteristic Fe emission wavelength intensity. |
| Copper (Cu) Content | ICP-OES | Atomizes and excites sample in plasma; measures characteristic Cu emission wavelength intensity. |
| Heavy Metals (as Pb) | Atomic Absorption Spectrometry (AAS) | Measures absorption of specific Pb resonance line after atomization in flame or graphite furnace. |
| Refractive Index | Refractometry | Determines refractive index at 20 C using sodium D-line light based on Snell's law. |
| Density | Digital Density Meter | Measures density via oscillating U-tube principle calibrated with air and water standards. |
| Color (APHA) | Visual Comparison or Spectrophotometric Measurement | Compares sample color to APHA platinum-cobalt standard scale using spectrophotometer at 430 nm. |
| Volatile Impurities Profile | Gas Chromatography-Mass Spectrometry (GC-MS) | Separates and identifies low-boiling impurities by retention time and mass spectral fragmentation pattern. |
| Test Item | Specification |
|---|---|
| Appearance | Colorless to light yellow oil |
| Purity | >=98.0% (by GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.425–1.435 |
| Relative Density (20°C/25°C) | 0.785–0.795 g/cm³ |
| Odor | Characteristic silane 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.