1-Octadecanethiol

Basic Information

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CAS Number

2885-00-9

Molecular Formula

C18H38S

Molecular Weight

286.57 g/mol

Chemical Classification

Fine Chemicals Surfactants Anionic Surfactants

Basic Physical Properties

Melting Point

30-33 °C

Boiling Point

204-210 °C/11 mmHg

Refractive Index

1.4645

SMILES

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CCCCCCCCCCCCCCCCCCS

InChI

InChI=1S/C18H38S/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19/h19H,2-18H2,1H3

InChIKey

QJAOYSPHSNGHNC-UHFFFAOYSA-N

LogP

7.177700000000008

Topological Polar Surface Area

0.0 Å²

Hydrogen Bond Donor/Acceptor

0 / 0

Complexity

145

Safety Information

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GHS Hazard Pictograms

H315

H319

H335

Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Stability

Stability Combustible. Stable. Incompatible with strong oxidizing agents, bases, reducing agents, alkali metals.

Sensitiveness

air-sensitive

Synonyms & References

English

1-octadecanthiol
Mercaptan C18
J-523822
OCTADECANTHIOL
Octadecanethiol
1-Mercaptooctadecane
Octadecanethol
NSC-11886
octadecane-1-thiol
EINECS 220-744-1
D70540
MFCD00004886
DTXSID0062686
17322-94-0
FT-0634531
stearylmercaptan
1-Octadecanethiol, 98%
NS00019803
1-Octadecanethiol, purum, >=95.0% (GC)
n-octadecanethiol
1-OCTADECANETHIOL
2885-00-9
AMY11252
Octadecyl mercaptan
1-octadecylmercaptan
A819631
C18H38S
1-Octadecane thiol
NSC11886
Stearyl mercaptan
SCHEMBL25850

MDL Number

MFCD00004886

Customs Code

2905590090

FAQ

What is 1-Octadecanethiol (CAS: 2885-00-9)?

1-Octadecanethiol is a long-chain organic thiol with the chemical formula C18H37SH. It is a colorless liquid with a strong odor, known for its low solubility in water and high reactivity. This compound features a sulfur atom bonded to an octadecyl group, making it useful in chemical synthesis and material science. Its molecular weight is approximately 296.5 g/mol, and it exhibits properties typical of thiols, such as reducing capabilities and potential for forming disulfide bonds.

What are the main uses of 1-Octadecanethiol (CAS: 2885-00-9)?

1-Octadecanethiol is primarily used in the pharmaceutical industry as a precursor for synthesizing bioactive molecules. It also finds applications in industrial coatings, lubricants, and as a stabilizer in polymer science. In research settings, it serves as a key component for creating functionalized materials and studying sulfur-containing compounds. Its versatility makes it valuable for various chemical processes, including the production of antioxidants and crosslinking agents.

Is 1-Octadecanethiol (CAS: 2885-00-9) safe?

1-Octadecanethiol is considered toxic and requires careful handling. It may cause skin and eye irritation, and inhalation can lead to respiratory issues. Safety standards emphasize the use of protective equipment, such as gloves and ventilation, and proper storage to minimize exposure. Always follow OSHA guidelines and consult safety data sheets for safe handling practices and potential hazards.

How should 1-Octadecanethiol (CAS: 2885-00-9) be stored?

1-Octadecanethiol should be stored in a sealed, airtight container in a cool, dry place below 25°C. It is sensitive to moisture and light, so storage in a dark environment is recommended. Keep away from heat sources and incompatible materials to ensure stability. Maintain low humidity levels and use glass or metal containers to prevent degradation and contamination.