Molekula
3-Isocyanatopropyltriethoxysilane
3-Isocyanatopropyltriethoxysilane is a silane coupling agent used to improve adhesion between organic polymers and inorganic substrates in coatings, adhesives, and composites. It features an isocyanate functional group for reactivity with hydroxyl-containing surfaces. CAS: 24801-88-5, Molecular Formula: (C2H5O)3Si(CH2)3NCO, Molecular Weight: 247.36 g/mol, Storage: Ambient, Signal Word: Danger. Molekula supplies 3-Isocyanatopropyltriethoxysilane from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
3-Isocyanatopropyltriethoxysilane is a silane coupling agent used to improve adhesion between organic polymers and inorganic substrates in coatings, adhesives, and composites. It features an isocyanate functional group for reactivity with hydroxyl-containing surfaces. CAS: 24801-88-5, Molecular Formula: (C2H5O)3Si(CH2)3NCO, Molecular Weight: 247.36 g/mol, Storage: Ambient, Signal Word: Danger. Molekula supplies 3-Isocyanatopropyltriethoxysilane from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | Clear, colourless liquid |
| Refractive Index | 1.4190 - 1.4240 |
| Assay (GC) | ≥94.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 77 C |
| Transport Class | 6.1 (8) |
| Packing Group | I |
| Shelf Life | 24 months |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| CAS Number | 24801-88-5 |
| Molecular Formula | (C2H5O)3Si(CH2)3NCO |
| Molecular Weight | 247.36 |
| SMILES | CCO[Si](CCCN=C=O)(OCC)OCC |
| EC / UN Number | 3390 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2931909010 |
| Tariff Code | 2931900028 |
Safety & GHS
-
Flammable
GHS02
-
Compressed Gas
GHS04
-
Corrosive
GHS05
Hazard statements
- H302 Harmful if swallowed
- H312 Harmful in contact with skin
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
- H317 May cause an allergic skin reaction
- H330 Fatal if inhaled
- H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P284 Wear respiratory protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P304+312 IF INHALED: Call a POISON CENTER or doctor/physician if you feel unwell
For research and industrial use only
Documents
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.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is 3-Isocyanatopropyltriethoxysilane used for?
It is used as a coupling agent in adhesives, coatings, and composites to improve adhesion between organic materials and inorganic substrates.
What is the chemical formula and molecular weight?
The formula is (C2H5O)3Si(CH2)3NCO with a molecular weight of 247.36 g/mol.
How should this product be stored?
Store at ambient temperature, away from moisture and incompatible materials.
What grade is available?
Available in technical grade; specific purity details can be provided upon request.
Can Molekula supply this in bulk?
Yes, Molekula can supply 3-Isocyanatopropyltriethoxysilane in bulk quantities—please contact sales for details.
What documentation comes with the order?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) compliant with GHS standards.
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.