3-Aminopropyltriethoxysilane Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 919-30-2 |
| Product name | 3-Aminopropyltriethoxysilane |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial 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-Aminopropyltriethoxysilane
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3-Aminopropyltriethoxysilane Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3-Aminopropyltriethoxysilane
| Industry | Application | Process |
|---|---|---|
| Composites | Enhances interfacial adhesion between resin and inorganic fillers | Applied as a coupling agent in glass fiber and mineral-filled systems |
| Coatings & Inks | Improves adhesion and durability | Incorporated into primer or coating formulations to enhance substrate bonding |
| Adhesives | Increases bond strength and resistance to humidity and heat | Used as a primer treatment or directly blended into adhesive systems |
| Textile Finishing | Imparts antistatic properties and soft hand feel to fabrics | Applied via immersion or spray in silane-modified finishing solutions |
| Electronic Encapsulation | Strengthens interfacial adhesion between encapsulants and metal/ceramic substrates | Employed in pre-treatment for epoxy molding compounds or underfill adhesives |
| Medical Devices | Functionalizes surfaces for biocompatible coatings | Used for amino-functionalization of silicone rubber or metallic implant surfaces |
| Nanomaterials | Functionalizes nanoparticle surfaces | Amino groups introduced via sol-gel processing or surface grafting reactions |
Manufacturing Quality Control of 3-Aminopropyltriethoxysilane
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the sample under natural light or standard lighting; it should be a colorless to pale yellow transparent liquid with no suspended particles or precipitate. |
| Content (Main Component Purity) | Gas Chromatography (GC) | Use capillary column gas chromatography with internal or external standard method to determine the content of APTES and assess its purity, typically requiring ≥97%. |
| Amine Value (Amino Group Content) | Acid-Base Titration | Titrate the sample with standardized hydrochloric acid solution to determine the primary amino groups; calculate the amine value (mmol/g) based on acid consumption to verify amino group concentration. |
| Density | Densitometer or Pycnometer Method | Measure the mass per unit volume at a specified temperature (e.g., 25°C) to assess batch-to-batch consistency. |
| Refractive Index | Refractometry | Use an Abbe refractometer to measure the refractive index (n²⁰D) at a specified temperature; used as a physical constant for identification and auxiliary purity assessment. |
| Water Content | Karl Fischer Titration | Quantitatively determine trace water content in the sample using Karl Fischer reagent to control hydrolysis risk; typically requiring ≤0.5%. |
| pH Value (Diluted Solution) | pH Meter Method | Dissolve the sample in water or an appropriate solvent, then measure the acidity or alkalinity of the aqueous solution using a pH meter to reflect impurities or degradation. |
| Impurity Analysis (By-products, Degradation Products) | High-Performance Liquid Chromatography (HPLC) or GC-MS | Separate and identify possible impurities such as hydrolysis products, oxidation products, or other organic contaminants. |
| Viscosity | Rotational Viscometry | Measure the resistance to flow of the liquid to evaluate product fluidity, suitable for process control. |
| Hydrolytic Stability | Accelerated Hydrolysis Test + GC/HPLC Monitoring | Mix the sample with water and store at a specified temperature; periodically monitor the decrease in main component and the formation of by-products such as ethanol. |
Technical Specifications of 3-Aminopropyltriethoxysilane
| 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) | 1.418–1.422 |
| Relative Density (20°C/25°C) | 0.935–0.945 g/cm³ |
| Odor | Characteristic amine-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-Aminopropyltriethoxysilane
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 3-Aminopropyltriethoxysilane
Packaging of 3-Aminopropyltriethoxysilane
Industrial 3-Aminopropyltriethoxysilane 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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