Molekula
1-Octadecanethiol
1-Octadecanethiol is a long-chain thiol used in surface modification, nanomaterial synthesis, and self-assembled monolayer formation. It is a colorless to pale yellow liquid with a strong odor. CAS: 2885-00-9, molecular formula: CH3(CH2)17SH, molecular weight: 286.56 g/mol. Stored at ambient temperature. Signal word: Warning. Molekula supplies 1-Octadecanethiol from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
1-Octadecanethiol is a long-chain thiol used in surface modification, nanomaterial synthesis, and self-assembled monolayer formation. It is a colorless to pale yellow liquid with a strong odor. CAS: 2885-00-9, molecular formula: CH3(CH2)17SH, molecular weight: 286.56 g/mol. Stored at ambient temperature. Signal word: Warning. Molekula supplies 1-Octadecanethiol from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | White fused solid or lumps, >30° colourless liquid |
| Density | 0.847 g/ml at 25°C |
| Melting Point | 30° - 33° C |
| Water Content | <0.1% |
| Solubility | Insoluble in water |
| Assay GC | >98% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 185 C |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| CAS Number | 2885-00-9 |
| Molecular Formula | CH3(CH2)17SH |
| Molecular Weight | 286.56 |
| SMILES | CCCCCCCCCCCCCCCCCCS |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29309098 |
| Tariff Code | 2930909599 |
Safety & GHS
-
Explosive
GHS01
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
- H413 May cause long lasting harmful effects to aquatic life
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P501 Dispose of contents/container to an approved waste disposal plant
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 1-Octadecanethiol used for?
It is primarily used as a ligand in nanotechnology, particularly for stabilizing gold nanoparticles, and as a surface modifier in self-assembled monolayers.
What is the chemical formula and molecular weight of 1-Octadecanethiol?
The formula is CH3(CH2)17SH with a molecular weight of 286.56 g/mol.
How should 1-Octadecanethiol be stored?
It should be stored at ambient temperature, protected from light and moisture.
What grade is available for 1-Octadecanethiol?
Available in technical grade; purity details are provided upon request.
Can Molekula supply 1-Octadecanethiol in bulk?
Yes, bulk quantities are available—please contact our sales team for pricing and availability.
What documentation comes with an order of 1-Octadecanethiol?
Each order includes a Certificate of Analysis (CoA) 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.