Molekula
1-Hexadecanethiol
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
1-Hexadecanethiol is a long-chain aliphatic thiol, widely used in organic synthesis, surface modification, and the preparation of self-assembled monolayers (SAMs). It serves as a key reagent in creating functionalized surfaces for electronics, sensors, and materials science applications. It is also employed in synthetic rubber processing, as a polymerization conditioner, in surfactant formulations, and as a corrosion inhibitor. This chemical has a CAS number of 2917-26-2, with the molecular formula CH3(CH2)15SH and a molecular weight of 258.50 g/mol. It is stored at ambient conditions and carries a signal word of "Warning." Molekula supplies 1-Hexadecanethiol from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
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100 g — $73.60 per pack
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Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Clear to slightly hazy, colourless to light yellow liquid/ low melting solid |
| Refractive Index | 1.4600-1.4650 @ 20°C |
| Water | ≤ 0.5% |
| Identification | Conforms to reference |
| Assay | ≥ 98.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 102 °C |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 18 °C |
| Density | 0.84 (relative, water = 1) |
| Vapour Pressure | 10 Pa at 20 °C |
Source: PubChem CID 18015 (ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 44097695 |
| CAS Number | 2917-26-2 |
| IUPAC Name | hexadecane-1-thiol |
| EC Number | 220-846-6 |
| Molecular Formula | CH3(CH2)15SH |
| Molecular Weight | 258.50 |
| Exact Mass | 258.2381 |
| SMILES | CCCCCCCCCCCCCCCCS |
| InChIKey | ORTRWBYBJVGVQC-UHFFFAOYSA-N |
| InChI | InChI=1S/C16H34S/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17/h17H,2-16H2,1H3 |
| PubChem CID | 18015 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29309092 |
| Tariff Code | 2930909599 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H319 Causes serious eye irritation
- H413 May cause long lasting harmful effects to aquatic life
Precautionary statements
- 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
- P337+313 If eye irritation persists get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
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
- 1-Mercaptohexadecane
- Cetyl mercaptan
- hexadecane-1-thiol
- Hexadecanethiol
- Hexadecanethiol-1
- Hexadecyl mercaptan
- hexadecylthiol
- n-Hexadecanethiol
- n-Hexadecyl mercaptan
- n-hexadecylthiol
Frequently asked questions
What is 1-Hexadecanethiol commonly used for?
1-Hexadecanethiol is primarily used in organic synthesis, surface modification (e.g., self-assembled monolayers), and as a precursor for thiol-ene click chemistry applications.
What is the chemical formula and molecular weight of 1-Hexadecanethiol?
The formula is **CH₃(CH₂)₁₅SH**, and the molecular weight is **258.50 g/mol**.
How should 1-Hexadecanethiol be stored?
Store in a tightly sealed container at **ambient temperature**, away from moisture, oxidizing agents, and direct sunlight.
What purity grades of 1-Hexadecanethiol does Molekula supply?
Molekula supplies **≥95% purity** (analytical/technical grade) for 1-Hexadecanethiol; higher purities may be available upon request.
Can Molekula supply 1-Hexadecanethiol in bulk quantities?
Yes, we offer bulk packaging options (e.g., 5 kg, 25 kg, or custom quantities) for 1-Hexadecanethiol—contact us for pricing and lead times.
What documentation is provided with an order of 1-Hexadecanethiol?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet with batch-specific details.
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.