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1-HEXADECANETHIOL
ICSC: 0025
Peer-Review Status: 23.04.2004 Validated
Hexadecyl mercaptan
1-Mercaptohexadecane
Cetyl mercaptan
Hexadecane-1-thiol 
CAS #: 2917-26-2 EINECS #: 220-846-6
    Formula: CH3(CH2)15SH / C16H34S
Molecular mass: 258.5

TYPES OF
HAZARD /
EXPOSURE
ACUTE HAZARDS / SYMPTOMS      PREVENTION      FIRST AID / FIRE FIGHTING
FIRE Combustible. Gives off irritating or toxic fumes (or gases) in a fire.  NO open flames.  Use foam, carbon dioxide, powder. 
EXPLOSION      
 
EXPOSURE      
Inhalation Cough. Headache. Nausea.  Use ventilation.  Fresh air, rest. 
Skin Redness.  Protective gloves.  Remove contaminated clothes. Rinse and then wash skin with water and soap. 
Eyes Redness.  Wear safety goggles or eye protection in combination with breathing protection.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
Ingestion Nausea. Vomiting.  Do not eat, drink, or smoke during work.  Rinse mouth. 

SPILLAGE DISPOSAL
PACKAGING & LABELLING
Collect leaking and spilled liquid in sealable containers as far as possible. Absorb remaining liquid in sand or inert absorbent. Carefully collect remainder. Then store and dispose of according to local regulations.   
EC Classification
 
UN Classification
 
GHS Classification
 

EMERGENCY RESPONSE SAFE STORAGE
  Separated from strong oxidants, reducing agents, metals and acids. 

IMPORTANT DATA
Physical State; Appearance
LIQUID WITH CHARACTERISTIC ODOUR. 

Physical dangers
 

Chemical dangers
Decomposes on burning. This produces toxic gases including sulfur oxides. Reacts violently with strong oxidants, acids, reducing agents and metals. 

Occupational exposure limits
TLV (NOT-ESTABLISHED):. 

Routes of exposure
 

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 short-term exposure
The substance is mildly irritating to the eyes, skin and respiratory tract. 

Effects of long-term or repeated exposure
 


PHYSICAL PROPERTIES ENVIRONMENTAL DATA
Melting point: 18°C
Relative density (water = 1): 0.84
Solubility in water: none
Vapour pressure, Pa at 20°C: 10
Relative vapour density (air = 1): 8.9
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.00
Flash point: 135°C o.c. 
 

NOTES
Auto-ignition temperature is unknown in literature.
Health effects of exposure to the substance have not been investigated adequately. 

ADDITIONAL INFORMATION
 

IPCS
International
Programme on
Chemical Safety
WHO ILO EC Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission
© IPCS 2004-2012
LEGAL NOTICE Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible for the use which might be made of this information.


    See Also:
       Toxicological Abbreviations