Molekula

3-Isocyanatopropyltriethoxysilane

SKU 29909306 CAS 24801-88-5 (C2H5O)3Si(CH2)3NCO MW 247.36 In stock

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.

CoA by batch Download specification

Overview

Pricing & pack sizes

Pack sizes & pricing

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25 g — €46.40 per pack

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Specifications

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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
SKU	29909306
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

Danger

Corrosive GHS05
Toxic GHS06
Serious Health Hazard GHS08

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

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

Safety Data Sheets (SDS)

Available in PT, IT, FR, ES, DE, EN.

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 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.

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