China Factory Direct
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| CAS number | 17873-08-4 |
| Product name | (PHENYLTHIOMETHYL)TRIMETHYLSILANE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeMaterial GradeSpecialty Grade |
| Packaging | 25L/drum |
| 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 for hydroxyl group protection | Reacts with alcohols under basic conditions to form silyl ethers, protecting functional groups |
| Pharmaceutical Chemicals | Intermediate for drug molecule construction | Participates in carbon–sulfur bond formation reactions to synthesize sulfur-containing organic compounds |
| Materials Science | Surface modifier for material surface functionalization | Coordinates to metal or metal oxide surfaces via sulfur atoms to introduce organosilicon layers |
| Pesticide Chemistry | Synthetic intermediate for agrochemical preparation | Participates in heterocycle construction to enhance the stability of active ingredients |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detector | Quantitative determination based on peak area comparison against certified reference standard using internal or external calibration. |
| Water Content | Karl Fischer Titration (Coulometric mode) | Electrochemical titration where iodine generated in situ reacts stoichiometrically with water; endpoint detected amperometrically. |
| Residue on Ignition | Gravimetric Analysis (Weight Loss on Heating) | Sample is ignited at 800 C in a platinum crucible; residue mass is measured after cooling in desiccator. |
| Acid Value | Acid-Base Titration (NaOH in methanol) | Neutralization of acidic impurities by standardized sodium hydroxide solution; endpoint detected potentiometrically or with phenolphthalein. |
| Chloride Content | Ion Chromatography (IC) with conductivity detection | Separation of chloride anions on anion-exchange column followed by quantitative detection via suppressed conductivity. |
| Heavy Metals (Pb, Cd, Hg, Cr) | Inductively Coupled Plasma - Optical Emission Spectrometry (ICP-OES) | Atomization and excitation of metals in high-temperature plasma; quantification via element-specific emission wavelengths. |
| Color (APHA) | Visual Comparison or Spectrophotometric Measurement at 455 nm | Comparison of sample color to APHA platinum-cobalt standard scale; absorbance measured at 455 nm in 10-mm cell. |
| Density at 20 C | Oscillating U-tube Densitometry | Measurement of resonant frequency shift of a vibrating U-shaped tube filled with sample; converted to density via calibration. |
| Refractive Index at 20 C | Abbe Refractometry | Determination of refractive index based on critical angle measurement of light passing from prism to sample. |
| Volatile Impurities | Headspace Gas Chromatography-Mass Spectrometry (HS-GC-MS) | Thermal equilibration of volatile components in sealed vial, followed by GC separation and MS identification/quantification. |
| Sulfur Content | Combustion IC (Ion Chromatography after Combustion) | High-temperature combustion converts sulfur to sulfate, which is then separated and quantified by IC with conductivity detection. |
| Appearance | Visual Inspection in Clear Glass Container | Assessment of physical state, clarity, and presence of suspended particles or phase separation under controlled lighting conditions. |
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Refractive Index (n20/D) | 1.520–1.530 |
| Relative Density (20°C/25°C) | 0.97–0.99 g/cm³ |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
| Pictograms | ![]() ![]() |
| Signal Word | Warning |
| Safety Data Sheet | |
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.