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CAS RN: 112-55-0 | Product Number: D0970

1-Dodecanethiol


Purity: >95.0%(GC)(T)
Synonyms:
  • Dodecyl Mercaptan
  • Lauryl Mercaptan
Documents:
25ML
₹1,900.00
4   ≥60 
500ML
₹4,200.00
34   ≥100 

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Product Number D0970
Purity / Analysis Method >95.0%(GC)(T)
Molecular Formula / Molecular Weight C__1__2H__2__6S = 202.40 
Physical State (20 deg.C) Liquid
Storage Temperature Room Temperature (Recommended in a cool and dark place, <15°C)
Store Under Inert Gas Store under inert gas
Condition to Avoid Air Sensitive
CAS RN 112-55-0
Reaxys Registry Number 969337
PubChem Substance ID 87567556
SDBS (AIST Spectral DB) 10643
MDL Number

MFCD00004885

Specifications
Appearance Colorless to Almost colorless clear liquid
Purity(GC) min. 95.0 %
Purity(Iodometric Titration) min. 95.0 %
Properties (reference)
Melting Point -7 °C
Boiling Point 277 °C
Flash point 128 °C
Specific Gravity (20/20) 0.85
Refractive Index 1.46
Maximum Absorption Wavelength 205 nm
Solubility in water Insoluble
Solubility (soluble in) Methanol, Benzene, Acetone, Ether, Ethanol
GHS
Pictogram Pictogram Pictogram Pictogram
Signal Word Danger
Hazard Statements H314 : Causes severe skin burns and eye damage.
H317 : May cause an allergic skin reaction.
H410 : Very toxic to aquatic life with long lasting effects.
Precautionary Statements P501 : Dispose of contents/ container to an approved waste disposal plant.
P261 : Avoid breathing dust/ fume/ gas/ mist/ vapors/ spray.
P273 : Avoid release to the environment.
P272 : Contaminated work clothing should not be allowed out of the workplace.
P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P391 : Collect spillage.
P362 + P364 : Take off contaminated clothing and wash it before reuse.
P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower.
P333 + P313 : If skin irritation or rash occurs: Get medical advice/ attention.
P301 + P330 + P331 : IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P304 + P340 + P310 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor.
P305 + P351 + P338 + P310 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/doctor.
P405 : Store locked up.
Related Laws:
RTECS# JR3155000
Transport Information:
UN Number UN1760
Class 8
Packing Group III
Application
TCI Practical Example: Removal of o-Nosyl Group Using 1-Dodecanethiol

Removal of o-Nosyl Group Using 1-Dodecanethiol

Used Chemicals

Procedure

A solution of nosyl amide 1 (384 mg, 0.95 mmol), 1-dodecanethiol (339 µL, 1.42 mmol, 1.5 eq.) and K2CO3 (197 mg, 1.42 mmol, 1.5 eq.) in MeCN (4.7 mL) were stirred for one day at 50 °C. 1-Dodecanethiol (339 µL, 1.42 mmol, 1.5 eq.) and K2CO3 (197 mg, 1.42 mmol, 1.5 eq.) were further added and the mixture was stirred for one day at 50 °C, then for one more day at 70 °C. Water (10 mL) was added to the reaction mixture and extracted with dichloromethane (4 x 10 mL). The organic layer was washed with brine, dried over sodium sulfate, filtered, and concentrated under reduced pressure. The residue was purified by column chromatography (ethyl acetate:hexane = 5:95 - 33:67 - 50:50 on silica gel) to give amine 2 as a pale yellow oil (117 mg, 56% yield).

Experimenter’s Comments

The reaction mixture was monitored by TLC (ethyl acetate:hexane = 1:1, Rf = 0.10).
1-Dodecanethiol has slightly bad smell, so that it was handled in a draft chamber.

Analytical Data

Amine 2

1H NMR (270 MHz, CDCl3); δ 7.24 (brd, J = 8.8 Hz, 2H), 6.86 (brd, J = 8.8 Hz, 2H), 5.51-5.30 (m, 2H), 3.80 (s, 3H), 3.72 (s, 2H), 2.63 (t, J = 7.3 Hz, 2H), 2.08 (brq, J = 7.0 Hz, 2H), 1.64-1.52 (m, 5H), 1.49 (brs, 1H).

Other Reference


PubMed Literature


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