3-Isocyanatopropyltriethoxysilane Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 24801-88-5 |
| Product name | 3-Isocyanatopropyltriethoxysilane |
| 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) |
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Documents We Provide for 3-Isocyanatopropyltriethoxysilane
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3-Isocyanatopropyltriethoxysilane Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3-Isocyanatopropyltriethoxysilane
| Industry | Application | Process |
|---|---|---|
| Coatings & Adhesives | As a silane coupling agent to enhance adhesion of coatings or adhesives to inorganic substrates (e.g., glass, metals, minerals) | Mixed with other resins (e.g., epoxy, polyurethane) in the formulation; forms covalent bridges across organic–inorganic interfaces via hydrolysis and condensation reactions |
| Composites | Improves interfacial bonding between glass fibers, mineral fillers, and polymer matrices | Applied either as a filler surface pretreatment or directly added to the resin system; reacts with surface hydroxyl groups on fillers and with the polymer upon hydrolysis |
| Sealants | Enhances adhesion performance and durability of moisture-curing sealants (e.g., silicone, polyurethane) to substrates | Acts as an additive participating in crosslinking reactions to improve interfacial compatibility and long-term stability |
| Electronic Encapsulation | Improves adhesive reliability between encapsulants and inorganic components (e.g., chips, lead frames) | Incorporated into encapsulant resins to reduce interfacial defects via coupling action, thereby enhancing moisture resistance and thermal cycling performance |
| Nanomaterial Modification | Functionalizes surfaces of nanoscale particles (e.g., silica, alumina) to improve their dispersion in organic media | Introduces isocyanate groups onto particle surfaces via sol–gel processing or surface grafting reactions to strengthen interactions with polymers |
Manufacturing Quality Control of 3-Isocyanatopropyltriethoxysilane
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) | Quantifies main component peak area relative to calibrated standard using flame ionization detection. |
| Moisture Content | Karl Fischer Titration | Measures water via stoichiometric reaction between water, iodine, and sulfur dioxide in pyridine/methanol medium. |
| Acid Number | Acid-Base Titration | Determines free acid content by titration with standardized potassium hydroxide solution using phenolphthalein indicator. |
| Ethoxy Group Content | Hydrolysis-GC or Hydrolysis-Titration | Cleaves ethoxy groups by acid-catalyzed hydrolysis; quantifies released ethanol by GC or titrates liberated HCl. |
| Isocyanate (NCO) Content | Dibutylamine Back-Titration | Reacts NCO groups with excess dibutylamine; unreacted amine is titrated with HCl to calculate NCO%. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Compares sample color to platinum-cobalt standards visually or measures absorbance at 430 nm. |
| Density at 25 C | Digital Density Meter | Measures mass per unit volume using oscillating U-tube principle with temperature control. |
| Refractive Index at 20 C | Refractometry | Determines ratio of light velocity in air vs. sample using critical angle measurement with sodium D-line. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic residue after controlled high-temperature ashing and weighing. |
| Heavy Metals (as Pb) | ICP-OES | Quantifies trace metal impurities by plasma excitation and element-specific emission wavelength detection. |
| Chloride Content | Potentiometric Titration | Titrates chloride ions with silver nitrate using silver/silver chloride electrode for endpoint detection. |
| Viscosity at 25 C | Rotational Viscometry | Measures resistance to flow under shear using calibrated spindle rotation in controlled-temperature bath. |
Technical Specifications of 3-Isocyanatopropyltriethoxysilane
| Test Item | Specification |
|---|---|
| Appearance | Colorless transparent liquid |
| Purity | ≥98% |
| Density | 0.95-1.05 |
| Color Index | ≤30 |
| NCO% | 16.0-17.0 |
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 3-Isocyanatopropyltriethoxysilane
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Safety Information of 3-Isocyanatopropyltriethoxysilane
| Pictograms |    |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of 3-Isocyanatopropyltriethoxysilane
Industrial 3-Isocyanatopropyltriethoxysilane 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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