Molekula
Octyltriethoxysilane
Octyltriethoxysilane is a silane coupling agent used to improve adhesion between organic materials and inorganic surfaces, commonly in coatings, sealants, and composites. It has a CAS number of 2943-75-1, molecular formula C14H32O3Si, and a molecular weight of 276.49 g/mol. Stored at ambient temperatures, it carries a warning signal word due to potential health and safety hazards. Molekula supplies Octyltriethoxysilane from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Octyltriethoxysilane is a silane coupling agent used to improve adhesion between organic materials and inorganic surfaces, commonly in coatings, sealants, and composites. It has a CAS number of 2943-75-1, molecular formula C14H32O3Si, and a molecular weight of 276.49 g/mol. Stored at ambient temperatures, it carries a warning signal word due to potential health and safety hazards. Molekula supplies Octyltriethoxysilane from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Pricing & pack sizes
Specifications
| Property | Value |
|---|---|
| Appearance | Colourless transparent liquid |
| Density | 0.875-0.885 |
| pH | 6-7 |
| Purity | ≥97.0％ |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 100 C |
| Shelf Life | 60 months |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 89986093 |
| CAS Number | 2943-75-1 |
| Molecular Formula | C14H32O3Si |
| Molecular Weight | 276.49 |
| SMILES | CCCCCCCC[Si](OCC)(OCC)OCC |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2931.90.90.10 |
| Tariff Code | 2931900090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
For research and industrial use only
Documents
Safety Data Sheets (SDS)
Available in PT, IT, FR, ES, DE, EN.
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PT - (89986093) OCTYLTRIETHOXYSILANE [2943-75-1].pdf
SDS · PT · 197 KB
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IT - (89986093) OCTYLTRIETHOXYSILANE [2943-75-1].pdf
SDS · IT · 193 KB
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FR - (89986093) OCTYLTRIETHOXYSILANE [2943-75-1].pdf
SDS · FR · 198 KB
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ES - (89986093) OCTYLTRIETHOXYSILANE [2943-75-1].pdf
SDS · ES · 195 KB
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DE - (89986093) OCTYLTRIETHOXYSILANE [2943-75-1].pdf
SDS · DE · 196 KB
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EN - (89986093) OCTYLTRIETHOXYSILANE [2943-75-1].pdf
SDS · EN · 193 KB
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is octyltriethoxysilane used for?
It is primarily used as a coupling agent in coatings, adhesives, and sealants to improve adhesion between organic materials and inorganic substrates.
What is the chemical formula and molecular weight of octyltriethoxysilane?
The formula is C14H32O3Si with a molecular weight of 276.49 g/mol.
How should octyltriethoxysilane be stored?
It should be stored at ambient temperature, away from moisture and incompatible materials.
What grade of octyltriethoxysilane does Molekula supply?
Molekula supplies octyltriethoxysilane in technical grade.
Can Molekula supply octyltriethoxysilane in bulk?
Yes, Molekula can supply octyltriethoxysilane in bulk quantities upon request.
What documentation comes with an order of octyltriethoxysilane?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.