China Factory Direct
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| CAS number | 21142-29-0 |
| Product name | 3-(Triethoxysilyl)propyl methacrylate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial 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 |
|---|---|---|
| Coatings | Enhances coating adhesion and weather resistance | Added as a coupling agent to coating formulations |
| Adhesives | Improves bond strength and water resistance | Incorporated as a modifier into resin systems |
| Composites | Improves interfacial bonding between inorganic fillers and organic resins | Applied for surface treatment of fillers |
| Rubber | Enhances rubber-to-metal or rubber-to-fiber adhesion | Compounded as an adhesion promoter into rubber during mixing |
| Plastics | Enhances mechanical properties and aging resistance of plastics | Added as an additive during processing |
| Electronics | Modifies electronic encapsulation materials | Added as a coupling agent during encapsulation material preparation |
| Textiles | Imparts hydrophobicity and abrasion resistance to textiles | Applied as a finishing agent in post-treatment processes |
| Inks | Improves ink adhesion and durability | Formulated as an additive into ink systems |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Purity | Gas Chromatography (GC) | Separation and quantification based on volatility and column retention time. |
| Acid Value | Acid-Base Titration | Neutralization of acidic impurities with standardized NaOH solution using phenolphthalein indicator. |
| Moisture Content | Karl Fischer Titration | Electrochemical determination of water via iodine-sulfur dioxide reaction in pyridine/methanol medium. |
| Ethoxy Group Content | Acid-Catalyzed Hydrolysis followed by Titration | Cleavage of ethoxy groups to ethanol, followed by back-titration of excess acid. |
| Density | Digital Density Meter | Measurement of mass per unit volume at controlled temperature using oscillating U-tube principle. |
| Refractive Index | Refractometry | Determination of light bending angle at air-sample interface using calibrated prism instrument. |
| Viscosity | Rotational Viscometry | Shear stress measurement under controlled rotational speed using spindle in sample. |
| Color | APHA Color Scale (Visual or Instrumental) | Comparison of sample color intensity against platinum-cobalt standard solutions. |
| Chloride Content | Potentiometric Titration with AgNO3 | Precipitation of chloride as AgCl, detected by silver ion-selective electrode endpoint. |
| Heavy Metals (Pb, Cd, Hg, Cr) | ICP-OES | Atomization and excitation in argon plasma, followed by elemental emission intensity measurement. |
| Residue on Ignition | Gravimetric Analysis | Weighing of non-volatile residue after high-temperature ashing in muffle furnace. |
| Hydrolytic Stability | pH Monitoring over Time | Tracking pH change in aqueous emulsion under controlled temperature and agitation to assess hydrolysis rate. |
| Test Item | Specification |
|---|---|
| Appearance | Colorless to Light yellow clear liquid |
| Purity(GC) | ≥98.0% |
| Color(Pt-Co) | ≤30 |
| Refractive Index(25℃) | 1.4220~1.4320 |
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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.