Dodecyltrimethoxysilane CAS 3069-21-4
Synonyms: LAURYLTRIMETHOXYSILANE
Assay: 96%min
Appearance: Colorless transparent liquid
Packaging: 200kg/drum
Sample: Available
Capacity: 2000MT/year
related documents:
COA of Dodecyltrimethoxysilane Cas 3069-21-4
TDS of Dodecyltrimethoxysilane Cas 3069-21-4
Request for product documents
Contents
- Product Overview
- Technical Specifications & Comparison
- Key Applications
- Industry Usage Guide
- Client Success Stories
- Contact for Technical Consultation
Dodecyltrimethoxysilane (CAS 3069-21-4) Technical Profile
Chemical Characteristics
| Parameter | Specification |
|---|---|
| Molecular Formula | C₁₅H₃₄O₃Si |
| Molecular Weight | 290.52 g/mol |
| Appearance | Clear colorless liquid |
| Density (25°C) | 0.91-0.93 g/cm³ |
| Boiling Point | 285°C (dec.) |
| Flash Point | 110°C (Closed Cup) |
| Purity | ≥97% (GC) |
Performance Comparison Matrix
Silane Coupling Agent Benchmarking
| Property | Dodecyltrimethoxysilane | Octyltriethoxysilane | Hexadecyltrimethoxysilane |
|---|---|---|---|
| Carbon Chain Length | C12 | C8 | C16 |
| Hydrolysis Rate | Moderate | Fast | Slow |
| Surface Energy Reduction | 34 mN/m | 28 mN/m | 38 mN/m |
| Optimal Application pH | 4.5-6.5 | 3.5-5.5 | 5.0-7.0 |
Industrial Applications Breakdown
Core Functional Benefits
- Rubber Compounding: Enhances silica dispersion (20-35% improvement in tensile strength)
- Coatings Formulation: Reduces water absorption by 40-60% in protective coatings
- Polymer Modification: Increases filler compatibility in PP/PE composites
- Adhesive Systems: Improves moisture resistance in structural bonding
Application Protocol Guidance
Recommended Processing Parameters
| Application | Dosage Range | Processing Temp | Reaction Time |
|---|---|---|---|
| Rubber Vulcanization | 1.5-2.5% | 140-160°C | 3-5 min |
| Coating Additive | 0.8-1.2% | Room Temp | 24h curing |
| Plastic Compounding | 0.5-1.0% | 180-200°C | 2-3 min |
Verified Client Implementations
Case 1: Automotive Sealant Manufacturer
Client: EuroSeal Technologies GmbH
Challenge: Required 50% reduction in water permeability for automotive window seals
Solution: 1.8% additive in EPDM formulation
Results: Achieved 58% lower water absorption, passed DIN 53532 testing
Case 2: Industrial Coating Specialist
Client: AsiaCoat Materials Ltd.
Challenge: Needed salt spray resistance exceeding 2000h
Solution: 1.0% surface modification in epoxy coating
Results: 2350h salt spray resistance (ASTM B117), 32% cost reduction
Technical Consultation & Sample Requests
Why Partner With Us
- ISO 9001-certified production facilities
- Customized silane solutions available
- Batch-to-batch consistency guaranteed
Contact our material science experts:
Email: info@vivalr.com
Phone: (86) 15866781826
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