3-Isocyanatopropyltrimethoxysilane Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 15396-00-6 |
| Product name | 3-Isocyanatopropyltrimethoxysilane |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeIndustrial 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-Isocyanatopropyltrimethoxysilane
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3-Isocyanatopropyltrimethoxysilane Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3-Isocyanatopropyltrimethoxysilane
| Industry | Application | Process |
|---|---|---|
| Coatings & Inks | Used as a coupling agent to improve interfacial adhesion between organic resins and inorganic fillers (e.g., glass, metal oxides) | Added directly into coating formulations and incorporated into the film-forming process to enhance adhesion, weather resistance, and mechanical strength |
| Adhesives & Sealants | Enhances bonding performance of organic polymers (e.g., polyurethane, epoxy, acrylic) to substrates such as glass, ceramics, and metals | Added during prepolymer synthesis or adhesive compounding; reacts via isocyanate groups with polymer terminal hydroxyl groups, while trimethoxysilane groups undergo hydrolysis and condensation to form covalent Si–O–substrate bonds |
| Composites | Applied as a surface modifier for glass fibers and mineral fillers (e.g., fumed silica, talc) to improve their dispersion and interfacial compatibility within polymer matrices (e.g., unsaturated polyester, vinyl ester) | Mixed with diluted silane solution (ethanol/water co-solvent), followed by hydrolysis, agitation, and drying prior to use |
| Rubber Industry | Improves reinforcing efficiency of fumed silica in silicone or natural rubber, reducing rolling resistance and enhancing abrasion resistance | Silane pre-treatment of fumed silica prior to mixing, or dynamic silanization (simultaneous reaction of silane with surface hydroxyl groups on fumed silica and rubber vulcanization under high-temperature, high-shear conditions) |
| Biomedical Materials | Used to modify surfaces of silica nanoparticles or glass slides, forming an intermediate layer bearing NCO reactive sites for subsequent grafting of peptides, antibodies, or other biomolecules | Under inert atmosphere, the silane ethanol solution is contacted with cleaned and activated substrates; stable siloxane networks are formed via hydrolysis and condensation, followed by covalent immobilization of functional groups through reaction of isocyanate groups with amino groups on biomolecules |
Manufacturing Quality Control of 3-Isocyanatopropyltrimethoxysilane
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Purity | Gas Chromatography (GC) | Quantifies main component and impurities based on retention time and peak area using a capillary column and flame ionization detector. |
| Isocyanate Content | Acid-Base Titration | Determines NCO group concentration by reaction with excess dibutylamine followed by back-titration with standard HCl solution. |
| Moisture Content | Karl Fischer Titration | Measures water content via coulometric or volumetric titration using iodine generated electrochemically in presence of water. |
| Color | Visual Comparison or Spectrophotometry | Evaluates color intensity against platinum-cobalt standards or measures absorbance at 430 nm in a 10 mm cell. |
| Density | Digital Density Meter | Determines mass per unit volume at specified temperature (e.g., 25 C) using oscillating U-tube principle. |
| Refractive Index | Refractometry | Measures bending of light through sample at 20 C using Abbe refractometer to assess composition and purity. |
| Acid Number | Acid-Base Titration | Quantifies acidic impurities by titration with standardized KOH in isopropanol using phenolphthalein indicator. |
| Viscosity | Rotational Viscometry | Determines resistance to flow at controlled temperature (e.g., 25 C) using spindle rotation and torque measurement. |
| Residue on Evaporation | Gravimetric Analysis | Measures non-volatile residue after controlled evaporation of a known sample mass under nitrogen at 120 C. |
| Chloride Content | Ion Chromatography (IC) | Separates and quantifies chloride ions using anion-exchange column and conductivity detection. |
| Heavy Metals | ICP-OES | Detects trace metal contaminants (e.g., Pb, Fe, Cu) after acid digestion by measuring element-specific emission intensities. |
| Hydrolyzable Alkoxy Groups | Gas Chromatography-Mass Spectrometry (GC-MS) | Identifies and quantifies methanol released upon controlled hydrolysis, confirming trialkoxy integrity. |
Technical Specifications of 3-Isocyanatopropyltrimethoxysilane
| 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) | 1.425–1.435 |
| Relative Density (20°C/25°C) | 1.040–1.060 g/cm³ |
| Odor | Characteristic, mild silane-like 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 3-Isocyanatopropyltrimethoxysilane
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 3-Isocyanatopropyltrimethoxysilane
Safety Information of 3-Isocyanatopropyltrimethoxysilane
| Pictograms |    |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of 3-Isocyanatopropyltrimethoxysilane
Industrial 3-Isocyanatopropyltrimethoxysilane 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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