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1-OCTADECANETHIOLICSC: 1622
Stearyl mercaptan
n-Octadecyl mercaptan
1-Octadecyl mercaptan
1-Mercaptooctadecane
n-Octadecanethiol
April 2006
CAS #: 2885-00-9
EC Number: 220-744-1

  ACUTE HAZARDS PREVENTION FIRE FIGHTING
FIRE & EXPLOSION Combustible. Gives off irritating or toxic fumes (or gases) in a fire.    NO open flames.    Use water spray, powder, alcohol-resistant foam, carbon dioxide.   

   
  SYMPTOMS PREVENTION FIRST AID
Inhalation   Use ventilation.  Fresh air, rest. 
Skin   Protective gloves.  Rinse and then wash skin with water and soap. 
Eyes Redness.  Wear safety spectacles.  Rinse with plenty of water for several minutes (remove contact lenses if easily possible). 
Ingestion Headache. Nausea. Vomiting.  Do not eat, drink, or smoke during work.  Rinse mouth. 

SPILLAGE DISPOSAL CLASSIFICATION & LABELLING
Then store and dispose of according to local regulations. 

According to UN GHS Criteria

 

Transportation
UN Classification
 

STORAGE
Separated from strong oxidants, strong acids, bases and strong reducing agents. 
PACKAGING
 
1-OCTADECANETHIOL ICSC: 1622
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
OILY WHITE SOLID IN VARIOUS FORMS WITH CHARACTERISTIC ODOUR. 

Physical dangers
 

Chemical dangers
Reacts violently with oxidants, reducing agents, strong acids and strong bases. Decomposes on heating. This produces toxic and corrosive fumes including hydrogen sulfide and sulfur oxides. 

Formula: C18H38S / CH3-(CH2)17-SH
Molecular mass: 286.6
Decomposes at 366°C
Melting point: 24-31°C
Relative density (water = 1): 0.85
Solubility in water: none
Flash point: 185°C c.c.
Octanol/water partition coefficient as log Pow: 9.12 (estimated) 


EXPOSURE & HEALTH EFFECTS

Routes of exposure
 

Effects of short-term exposure
The substance is mildly irritating to the eyes. 

Inhalation risk
A harmful contamination of the air will not or will only very slowly be reached on evaporation of this substance at 20°C. 

Effects of long-term or repeated exposure
 


OCCUPATIONAL EXPOSURE LIMITS
 

ENVIRONMENT
 

NOTES
Health effects of exposure to the substance have not been investigated adequately.
Environmental effects from the substance have not been investigated adequately. 

ADDITIONAL INFORMATION
  EC Classification
 

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    See Also:
       Toxicological Abbreviations