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112-55-0

112-55-0 Structure

112-55-0 Structure
IdentificationMore
[Name]

1-Dodecanethiol
[CAS]

112-55-0
[Synonyms]

1-DODECANETHIOL
1-MERCAPTODODECANE
DODECYL MERCAPTAN
LAURYL MERCAPTAN
MERCAPTAN C12
NDM
N-DODECANETHIOL
N-DODECYL MERCAPTAN
1-Dodecyl mercaptan
1-dodecylmercaptan
Dodecane-1-thiol
Dodecanethiol-(1)
dodecanethiol(non-specificname)
dodecanethiolnormal
Dodecylthiol
laurylmercaptide
m-dodecylmercaptan
m-laurylmercaptan
NCI-C60935
n-Dodecylthiol
[EINECS(EC#)]

203-984-1
[Molecular Formula]

C12H26S
[MDL Number]

MFCD00004885
[Molecular Weight]

202.4
[MOL File]

112-55-0.mol
Chemical PropertiesBack Directory
[Appearance]

clear liquid
[Melting point ]

-7 °C
[mp ]

-7 °C
[Boiling point ]

266-283 °C(lit.)
[bp ]

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)
[refractive index ]

n20/D 1.459(lit.)
[FEMA ]

4581 | DODECANETHIOL
[Fp ]

>230 °F
[storage temp. ]

Store below +30°C.
[form ]

Liquid
[pka]

10.49±0.10(Predicted)
[color ]

Clear
[Odor]

Stench
[Water Solubility ]

IMMISCIBLE
[λmax]

205nm(lit.)
[Sensitive ]

Air Sensitive
[JECFA Number]

1924
[BRN ]

969337
[InChIKey]

WNAHIZMDSQCWRP-UHFFFAOYSA-N
[CAS DataBase Reference]

112-55-0(CAS DataBase Reference)
[NIST Chemistry Reference]

1-Dodecanethiol(112-55-0)
[EPA Substance Registry System]

112-55-0(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

Xn,Xi,N,F
[Risk Statements ]

R37/38:Irritating to respiratory system and skin .
R41:Risk of serious damage to eyes.
R42/43:May cause sensitization by inhalation and skin contact .
R36/37/38:Irritating to eyes, respiratory system and skin .
R67:Vapors may cause drowsiness and dizziness.
R65:Harmful: May cause lung damage if swallowed.
R62:Possible risk of impaired fertility.
R51/53:Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
R48/20:Harmful: danger of serious damage to health by prolonged exposure through inhalation .
R38:Irritating to the skin.
R11:Highly Flammable.
[Safety Statements ]

S23:Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer) .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S37/39:Wear suitable gloves and eye/face protection .
S63:In case of accident by inhalation, remove casualty to fresh air and keep at rest.
S62:If swallowed, do not induce vomiting: seek medical advice immediately and show this container or label .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
S36/37:Wear suitable protective clothing and gloves .
S33:Take precautionary measures against static discharges .
S29:Do not empty into drains .
S16:Keep away from sources of ignition-No smoking .
S9:Keep container in a well-ventilated place .
[RIDADR ]

UN 1208 3/PG 2
[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
Raw materials And Preparation ProductsBack Directory
【Raw materials】

Ethanol-->Thiourea-->MERCAPTANS-->1-Bromododecane
【Preparation Products】

1-[2-amino-1-(4-hydroxyphenyl)ethyl]cyclohexanol-->4-Cyano-4-(dodecylsulfanylthiocarbonyl)sulfanylpentanoic acid, min. 97%-->1-Iodododecane-->Dodecyl methyl sulfide-->Dodecanamide
Hazard InformationBack Directory
[General Description]

Oily colorless liquid with a mild skunk odor. Freezing point 19°F.
[Reactivity Profile]

LAURYL MERCAPTAN(112-55-0) is incompatible with bases, oxidizing agents, reducing agents and alkali metals. Easily oxidized to disulfide.
[Air & Water Reactions]

Air and moisture sensitive. Insoluble in water. Reacts vigorously with water or steam.
[Health Hazard]

Liquid is irritating to skin, eyes, and mucous membranes. Ingestion may cause nausea. Repeated skin exposure can cause dermatitis and may produce a sensitizing effect.
[Fire Hazard]

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

clear liquid
[Purification Methods]

Dry it with CaO for several days, then distil it from CaO. [Beilstein 1 IV 1851.]
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

Lauryl mercaptan(112-55-0).msds
Questions And AnswerBack Directory
[Uses]

1-Dodecanethiol can be used as a chain transfer agent in the polymerization of methyl methacrylate.
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.
1-Dodecanethiol can also be used for development of the 1-dodecanethiol-based phase transfer protocol for the highly efficient extraction of noble metal ions from aqueous phase.
[Contact Toxicity]

1-Dodecanethiol can cause severe skin burns and eye damage. It may cause an allergic skin reaction. It is very toxic to aquatic life with long lasting effects.
Spectrum DetailBack Directory
[Spectrum Detail]

1-Dodecanethiol(112-55-0)MS
1-Dodecanethiol(112-55-0)1HNMR
1-Dodecanethiol(112-55-0)13CNMR
1-Dodecanethiol(112-55-0)IR1
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

1-Dodecanethiol, 98%(112-55-0)
[Alfa Aesar]

1-Dodecanethiol, 98%(112-55-0)
[Sigma Aldrich]

112-55-0(sigmaaldrich)
[TCI AMERICA]

1-Dodecanethiol,>95.0%(GC)(112-55-0)
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