1-Dodecanethiol

ChemicalBook > CAS DataBase List > 1-Dodecanethiol

Product Name: 1-Dodecanethiol
CAS No.: 112-55-0
Chemical Name: 1-Dodecanethiol
Synonyms: NDM;Dodecane-1-thiol;DODECYL MERCAPTAN;Dodecylthiol;LAURYL MERCAPTAN;1-Dodecyl mercaptan;Normal Dodecyl Mercaptan;N-DODECANETHIOL;N-DODECYL MERCAPTAN;n-Dodecylthiol
CBNumber: CB9363948
Molecular Formula: C12H26S
Formula Weight: 202.4
MOL File: 112-55-0.mol

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1-Dodecanethiol Property

Melting point:: -7 °C
Boiling point:: 266-283 °C(lit.)
Density: 0.845 g/mL at 25 °C(lit.)
vapor density: 7 (vs air)
vapor pressure: 0.002 hPa (20 °C)
FEMA: 4581 | DODECANETHIOL
refractive index: n20/D 1.459(lit.)
Flash point:: >230 °F
storage temp.: Store below +30°C.
solubility: Chloroform (Sparingly), Methanol (Slightly)
pka: 10.49±0.10(Predicted)
form: Liquid
color: Clear
Odor: Stench
Odor Type: sulfurous
Water Solubility: IMMISCIBLE
Sensitive: Air Sensitive
λmax: 205nm(lit.)
JECFA Number: 1924
BRN: 969337
Exposure limits: ACGIH: TWA 0.1 ppm
NIOSH: Ceiling 0.5 ppm(4.1 mg/m3)
Stability:: Air Sensitive
InChIKey: WNAHIZMDSQCWRP-UHFFFAOYSA-N
LogP: 6.18
CAS DataBase Reference: 112-55-0(CAS DataBase Reference)
NIST Chemistry Reference: 1-Dodecanethiol(112-55-0)
EPA Substance Registry System: Dodecyl mercaptan (112-55-0)

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Safety

Hazard Codes: Xn,Xi,N,F,C
Risk Statements: 37/38-41-42/43-36/37/38-67-65-62-51/53-48/20-38-11-50/53-34
Safety Statements: 23-26-36/37/39-45-37/39-63-62-61-36/37-33-29-16-9-60
RIDADR: UN 1208 3/PG 2
OEL: Ceiling: 0.5 ppm (4.1 mg/m3) [15-minute]
WGK Germany: 3
RTECS: JR3155000
Autoignition Temperature: 230 °C
TSCA: Yes
HazardClass: 8
PackingGroup: III
HS Code: 29309070
Hazardous Substances Data: 112-55-0(Hazardous Substances Data)
Toxicity: LD50 orally in Rabbit: > 2000 mg/kg

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H314Causes severe skin burns and eye damage

H317May cause an allergic skin reaction

H410Very toxic to aquatic life with long lasting effects

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P272Contaminated work clothing should not be allowed out of the workplace.

P273Avoid release to the environment.

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

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 8.20544
Product name: 1-Dodecanethiol
Purity: for synthesis
Packaging: 250ML
Price: $60.4
Updated: 2024/03/01

Sigma-Aldrich

Product number: 8.20544
Product name: 1-Dodecanethiol
Purity: for synthesis
Packaging: 1L
Price: $100
Updated: 2024/03/01

Sigma-Aldrich

Product number: 8.20544
Product name: 1-Dodecanethiol
Purity: for synthesis
Packaging: 3kg
Price: $172
Updated: 2024/03/01

Sigma-Aldrich

Product number: 8.20544
Product name: 1-Dodecanethiol
Purity: for synthesis
Packaging: 10L
Price: $460
Updated: 2024/03/01

Sigma-Aldrich

Product number: 471364
Product name: 1-Dodecanethiol
Purity: ≥98%
Packaging: 2l
Price: $117
Updated: 2024/03/01

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1-Dodecanethiol Chemical Properties,Usage,Production

Chemical Properties

1-Dodecanethiol is a colourless liquid organic compound, with a characteristic odour. Soluble in methanol, ether, acetone, benzene, ethyl acetate, insoluble in water.

Uses

Dodecyl mercaptan is a poymerization inhibitor added to polyurethane resins and Neoprene glues for use, e.g., in the shoe industry.

Uses

1-Dodecanethiol is used in the preparation of hydrophobic or mixed self-assembled monolayers. It is also employed as a chain transfer agent for radical polymerization. Further, it is utilized as a polymerization inhibitor in polyurethane and neoprene adhesives, which finds application in the footwear industry. In addition to this, it acts as a protein regenerating agent used for the regeneration of native proteins from mercuribenzoate.

Uses

1-Dodecanethiol can be used for the synthesis of thiol-stabilized metal nanoparticles (NPs), such as gold nanoparticles and silver nanoparticles, which have been produced for use as catalysts, electronic devices, fillers, sensors and active components in composite materials, and other applications.
This molecule is used for the production of hydrophobic SAMs. It can also be used in mixed SAMs to give a hydrophobic background and act as a spacer to move other functional groups or domains farther apart.

Preparation

Preparation of 1-dodecanethiol: 1-Bromododecane, thiourea and 95% ethanol are heated to reflux reaction, then sodium hydroxide solution is added and heated. After the reaction is finished, cooled and left to stratify, the oil layer is the crude thiol. The crude product is washed with water, dried, distilled, and distilled under reduced pressure, which is 1-dodecanethiol.

Application

1-Dodecanethiol (DDT) can be used as a source of sulfur for the synthesis CdS quantum dots (QDs) and lead sulfide nanoparticles (PbS) which find potential applications in energy efficient lighting, solar cells and as ammonium gas sensing agents. DDT may be used to form a self-assembled monolayer (SAM) on copper surface as a corrosion resistant coating. Functionalization with DDT may form SAMs on geranium (Ge) to improve the surface characteristics for futuristic applications in microelectronics. This molecule is used for the production of hydrophobic SAMs. It can also be used in mixed SAMs to give a hydrophobic background and act as a spacer to move other functional groups or domains farther apart.

General Description

Oily colorless liquid with a mild skunk odor. Freezing point 19°F.

Air & Water Reactions

Air and moisture sensitive. Insoluble in water. Reacts vigorously with water or steam.

Reactivity Profile

1-Dodecanethiol is incompatible with bases, oxidizing agents, reducing agents and alkali metals. Easily oxidized to disulfide.

Health Hazard

1-Dodecanethiol is irritating to skin, eyes, and mucous membranes. Ingestion may cause nausea. Repeated skin exposure can cause dermatitis and may produce a sensitizing effect. It is very toxic to aquatic life with long lasting effects.

Fire Hazard

Special Hazards of Combustion Products: Poisonous and irritating gases (e.g., sulfur dioxide) are generated in fires.

Purification Methods

Dry it with CaO for several days, then distil it from CaO. [Beilstein 1 IV 1851.]

1-Dodecanethiol Preparation Products And Raw materials

Raw materials

MERCAPTANS Ethanol 1-Bromododecane Thiourea

Preparation Products

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View Lastest Price from 1-Dodecanethiol manufacturers

Hebei Weibang Biotechnology Co., Ltd

Product: 1-Dodecanethiol 112-55-0
Price: US $1.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 10 mt
Release date: 2024-11-21

Qingdao RENAS Polymer Material Co., Ltd.

Product: 1-Dodecanethiol 112-55-0
Price: US $0.00/kg
Min. Order: 20kg
Purity: 98.5%
Supply Ability: 10 tons
Release date: 2024-04-29

Hebei Chuanghai Biotechnology Co,.LTD

Product: Dodecanethiol 112-55-0
Price: US $1.00/KG
Min. Order: 1KG
Purity: 99.%
Supply Ability: 50 ton
Release date: 2024-08-23

112-55-0, 1-DodecanethiolRelated Search:

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1-Dodecanethiol 112-55-0

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62592-1L1-DODECANETHIOL

1-Dodecanethiol, >=98%

odecyl mercaptan

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Plus dithiol

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8-ACETYL DIMETHOXYCOUMARIN 3949-36-8

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Lauryl mereaptan

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N-DODECYL MERCAPTAN

N-DODECANETHIOL

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1-Dodecanethiol 98% Extrapure

112-55-0

112-55-1

C12H26S