China Factory Direct
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| CAS number | 17082-46-1 |
| Product name | Methyltris(dimethylsiloxy)silane |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeMaterial GradeElectronic 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) |
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 |
|---|---|---|
| Plastics and Rubber Industry | Used as an additive to enhance material properties | Added during polymerization as a crosslinking agent or catalyst |
| Electronics Industry | Used in the production of insulating materials or sealants | Preparation of insulating materials during coating or encapsulation |
| Coatings and Inks Industry | Used as a leveling agent or defoamer | Added during coating formulation or ink dispersion |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detector | Quantifies main component peak area relative to calibration curve using volatile organic separation and flame ionization detection. |
| Moisture Content | Karl Fischer Titration | Measures water content via stoichiometric reaction between water and iodine in a methanol-based reagent. |
| Acid Value | Acid-Base Titration with NaOH standard solution | Determines free acidic impurities by titration with standardized sodium hydroxide using phenolphthalein indicator. |
| Density at 25 C | Digital Density Meter | Measures mass per unit volume using oscillating U-tube principle calibrated with reference standards. |
| Refractive Index at 20 C | Abbe Refractometer | Determines refractive index based on critical angle of total internal reflection at prism-sample interface. |
| Color (APHA) | Visual Comparison or Spectrophotometric APHA method | Evaluates yellowness by matching sample color to platinum-cobalt standard solutions or measuring absorbance at 430 nm. |
| Residue on Evaporation | Gravimetric Analysis | Measures non-volatile residue after controlled evaporation under nitrogen and drying to constant weight. |
| Chloride Content | Ion Chromatography (IC) | Separates and quantifies chloride ions using anion-exchange column and conductivity detection. |
| Iron (Fe) Content | ICP-OES | Quantifies trace iron by plasma excitation and measurement of characteristic atomic emission wavelengths. |
| Copper (Cu) Content | ICP-OES | Quantifies trace copper by plasma excitation and measurement of characteristic atomic emission wavelengths. |
| Volatile Organic Impurities | Headspace Gas Chromatography-Mass Spectrometry (HS-GC-MS) | Identifies and quantifies low-boiling contaminants via thermal equilibrium sampling and mass spectral detection. |
| Viscosity at 25 C | Rotational Viscometer | Measures resistance to flow under controlled shear rate using rotating spindle in sample. |
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.395–1.405 |
| Relative Density (20°C/25°C) | 0.875–0.885 g/cm³ |
| Odor | Characteristic siloxane odor |
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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.