ChemicalBook > CAS DataBase List > Octadecanethiol

Octadecanethiol

Product Name
Octadecanethiol
CAS No.
2885-00-9
Chemical Name
Octadecanethiol
Synonyms
Mercaptan;1-OCTADECANETHIOL;ODM;OCTADECYL MERCAPTAN;octadecane-1-thiol;MERCAPTAN C18;Octadecanthiol;octadecylthiol;OCTADECANETHIOL;OCLadecanethiol
CBNumber
CB3677676
Molecular Formula
C18H38S
Formula Weight
286.56
MOL File
2885-00-9.mol
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Octadecanethiol Property

Melting point:
30-33 °C(lit.)
Boiling point:
204-210 °C11 mm Hg(lit.)
Density 
0.847 g/mL at 25 °C(lit.)
vapor pressure 
<0.5 hPa (20 °C)
refractive index 
n20/D 1.3610
Flash point:
55 °F
storage temp. 
Store below +30°C.
form 
Crystalline Solid
pka
10.49±0.10(Predicted)
Specific Gravity
0.832 (30℃)0.847
color 
White
Water Solubility 
Insoluble
BRN 
1811934
Exposure limits
NIOSH: Ceiling 0.5 ppm(5.9 mg/m3)
Stability:
Stability Combustible. Stable. Incompatible with strong oxidizing agents, bases, reducing agents, alkali metals.
InChIKey
QJAOYSPHSNGHNC-UHFFFAOYSA-N
LogP
8 at 20℃
CAS DataBase Reference
2885-00-9(CAS DataBase Reference)
NIST Chemistry Reference
1-Octadecanethiol(2885-00-9)
EPA Substance Registry System
1-Octadecanethiol (2885-00-9)
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Safety

Hazard Codes 
F,Xi
Risk Statements 
36/37/38
Safety Statements 
7-16-37/39-26-36
RIDADR 
UN 1170 3/PG 2
WGK Germany 
3
Autoignition Temperature
>200 °C
TSCA 
Yes
HS Code 
29309070
Toxicity
LD50 orally in Rabbit: > 5000 mg/kg LD50 dermal Rat > 2000 mg/kg
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H400Very toxic to aquatic life

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
8.14444
Product name
1-Octadecanethiol
Purity
for synthesis
Packaging
10g
Price
$24.7
Updated
2024/03/01
Sigma-Aldrich
Product number
8.14444
Product name
1-Octadecanethiol
Purity
for synthesis
Packaging
50g
Price
$38.4
Updated
2024/03/01
Sigma-Aldrich
Product number
8.14444
Product name
1-Octadecanethiol
Purity
for synthesis
Packaging
250g
Price
$97.8
Updated
2024/03/01
Sigma-Aldrich
Product number
8.14444
Product name
1-Octadecanethiol
Purity
for synthesis
Packaging
8kg
Price
$2400
Updated
2024/03/01
Sigma-Aldrich
Product number
74731
Product name
1-Octadecanethiol
Purity
purum, ≥95.0% (GC)
Packaging
50g
Price
$77.5
Updated
2024/03/01
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Octadecanethiol Chemical Properties,Usage,Production

Chemical Properties

white powder with an extremely unpleasant smell

Uses

Organic intermediate, synthetic rubber processing.

Uses

1-Octadecanethiol (ODT) is used to deposit thiolated molecules onto the surface of gold substrates, such as SAMs on gold quartz crystal resonators, on the tip of atomic force microscope probes, capacitive sensors.

Uses

ODT is used in the surface modification of gold nanoparticle (AuNPs)/Nickel (Ni) foam conjugate for the preparation of a 3D surface enhanced Raman spectroscopy(SERS) substrate for the detection of organic pollutants. It may also be used enhance the superhydrophobic properties for different materials like nano-sized copper films, graphene and silica for different applications like mercury detection and electrochemical analysis.

General Description

1-Octadecanethiol (ODT) is a water soluble sulfur compound with an 18 carbon alkyl chain, which forms a strong hydrophobic assembly with transition metals, like gold .It forms self-assembled monolayers (SAMs) on the surface of such transition metals. The thiol membrane when covalently bonded with the surface of the metal electrode, it shows electrostriction phenomenon leading to variation in capacitance.ODT SAMs have a hydrophobic surface with contact angle of 102oC.

Reactivity Profile

Octadecanethiol is non-flammable but combustible (Flash point >100°F and <140°F). Incompatible with oxidizing agents, strong acids and strong bases, alkali metals, and nitric acid. Can react with water, steam or acids to produce toxic and flammable vapors. Reacts violently with powerful oxidizing agents such as calcium hypochlorite(Ca(OCl)2) to generate SOx. Reacts with hydrides to form flammable H2 gas; reacts with halogenated hydrocarbons to yield HX. Reacts exothermically with aldehydes. Emits toxic compounds of sulfur when when heated to decomposition.

Hazard

Strong irritant.

Flammability and Explosibility

Not classified

Octadecanethiol Preparation Products And Raw materials

Raw materials

Preparation Products

Pyridat microdispersoid acrylate resin filling emulsion
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View Lastest Price from Octadecanethiol manufacturers

Hebei Longbang Technology Co., Ltd
Product
Octadecanethiol 2885-00-9
Price
US $6.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
20TONS
Release date
2024-04-26
Speranza Chemical Co., Ltd.
Product
Octadecanthiol 2885-00-9
Price
US $20.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
300 Tons/ year
Release date
2019-12-25
Ouhuang Engineering Materials (Hubei) Co., Ltd
Product
octadecylthiol 2885-00-9
Price
US $15.00/kg
Min. Order
1kg
Purity
99.912%
Supply Ability
10ton
Release date
2024-04-24

2885-00-9, OctadecanethiolRelated Search:

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