Methyltrimethoxysilane Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1185-55-3 |
| Product name | Methyltrimethoxysilane |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial GradeCosmetic GradeFood 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 Methyltrimethoxysilane
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Methyltrimethoxysilane Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Methyltrimethoxysilane
| Industry | Application | Process |
|---|---|---|
| Construction Materials | Organosilicon water repellent | Reacts with water under controlled conditions to form silanol, which subsequently condenses into organosilicon resin |
| Cosmetics | Anti-caking agent, film-forming agent | Used directly as a raw material, uniformly blended with other formulation components |
| Coatings Industry | Reinforcing agent, adhesion promoter | Converted into nano-SiO₂ via the sol-gel process and incorporated as a reinforcing agent in coatings |
| Adhesives | Improves bonding performance | Converted into nano-SiO₂ via the sol-gel process to enhance adhesive bond strength and durability |
Manufacturing Quality Control of Methyltrimethoxysilane
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Purity (Main Content) | Gas Chromatography (GC) | Using a gas chromatograph with appropriate capillary columns (such as DB-1, HP-5) and an FID detector, the main component content of methyltrimethoxysilane is quantitatively determined using internal or external standard methods to evaluate its purity. |
| Appearance | Visual Inspection | Observe the sample's color, transparency, and presence of suspended particles or precipitates under natural light or standard lighting; typically required to be a colorless to pale yellow transparent liquid. |
| Color | Platinum-Cobalt Colorimetric Method (APHA/Hazen Method) | Compare the sample with standard platinum-cobalt solutions to determine its color value (unit: Hazen or Pt-Co), used for controlling product color. |
| Density | Pycnometer Method or Oscillating U-tube Density Meter Method | Use a glass pycnometer or digital oscillating U-tube density meter to measure the sample's density at a specified temperature (e.g., 20 °C or 25 °C), serving as one of the quality control indicators. |
| Refractive Index | Abbe Refractometer Method | Measure the refractive index of the sample using an Abbe refractometer under constant temperature conditions (usually 20 °C or 25 °C), used to assist in determining purity and consistency. |
| Moisture Content | Karl Fischer Titration | Use a Karl Fischer titrator employing volumetric or coulometric methods to accurately determine trace moisture in the sample. Moisture control is particularly critical since methyltrimethoxysilane is prone to hydrolysis. |
| Acid Value/Acidity | Acid-Base Titration Method | Determine the free acid content in the sample using a standard sodium hydroxide solution with phenolphthalein as an indicator, calculating the acid value (mg KOH/g), which reflects the level of acidic impurities in the product. |
| Volatile Residue/Non-Volatile Matter | Evaporation Residue Method | Weigh the residue after evaporating a known amount of sample at a specified temperature (e.g., 110 °C) until constant weight, calculate the non-volatile matter content, used to assess the level of high-boiling-point impurities. |
| pH Value (After Hydrolysis) | pH Meter Method | Determine the pH of the aqueous phase after hydrolyzing the sample using a calibrated pH meter, indirectly reflecting the hydrolysis products and side reactions. |
| Methanol Content (By-Product) | Gas Chromatography (GC) | Use GC to separate and quantitatively determine residual methanol in the sample (a by-product from hydrolysis or synthesis of methyltrimethoxysilane), commonly using internal standard methods to improve accuracy. |
Technical Specifications of Methyltrimethoxysilane
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=99.0% (GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.370–1.374 |
| Relative Density (20°C/25°C) | 0.950–0.960 g/cm³ |
| Odor | Characteristic silane odor |
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 Methyltrimethoxysilane
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Methyltrimethoxysilane
Packaging of Methyltrimethoxysilane
Industrial Methyltrimethoxysilane 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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