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2-MERCAPTOETHANOLICSC: 0916 (October 1997)
2-Hydroxyethanethiol
Monothioethyleneglycol
Thioglycol
CAS #: 60-24-2
UN #: 2966
EC Number: 200-464-6

  ACUTE HAZARDS PREVENTION FIRE FIGHTING
FIRE & EXPLOSION Combustible. Gives off irritating or toxic fumes (or gases) in a fire.  Above 74°C explosive vapour/air mixtures may be formed.  NO open flames.  Above 74°C use a closed system and ventilation.  Use water spray, powder, foam, carbon dioxide.   

 PREVENT GENERATION OF MISTS!  
  SYMPTOMS PREVENTION FIRST AID
Inhalation Shortness of breath.  Use ventilation, local exhaust or breathing protection.  Fresh air, rest. Half-upright position. Artificial respiration may be needed. Refer for medical attention. 
Skin Redness. Pain.  Protective gloves. Protective clothing.  Remove contaminated clothes. Rinse skin with plenty of water or shower. Refer for medical attention . 
Eyes Redness. Pain.  Wear face shield 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   Do not eat, drink, or smoke during work.  Rinse mouth. Refer for medical attention . 

SPILLAGE DISPOSAL CLASSIFICATION & LABELLING
Collect leaking and spilled liquid in sealable containers as far as possible. Absorb remaining liquid in sand or inert absorbent. Then store and dispose of according to local regulations. 

According to UN GHS Criteria

 

Transportation
UN Classification
UN Hazard Class: 6.1; UN Pack Group: I 

STORAGE
Separated from oxidants, metals and food and feedstuffs. Keep in a well-ventilated room. 
PACKAGING
Do not transport with food and feedstuffs. 
2-MERCAPTOETHANOL ICSC: 0916
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
COLOURLESS LIQUID WITH CHARACTERISTIC ODOUR. 

Physical dangers
 

Chemical dangers
Decomposes on heating. This produces toxic gases of sulfur oxides. Reacts with oxidants and metals. 

Formula: C2H6OS / HSCH2CH2OH
Molecular mass: 78.1
Boiling point: 157°C
Melting point: <-100°C
Relative density (water = 1): 1.1
Solubility in water: miscible
Vapour pressure, kPa at 20°C: 0.13
Relative vapour density (air = 1): 2.7 (calculated)
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.002
Flash point: 74°C o.c.
Auto-ignition temperature: 295°C
Explosive limits, vol% in air: 2.3-18
Octanol/water partition coefficient as log Pow: -0.3 (estimated) 


EXPOSURE & HEALTH EFFECTS

Routes of exposure
The substance can be absorbed into the body by inhalation of its vapour, through the skin and by ingestion. 

Effects of short-term exposure
The substance is irritating to the eyes, skin and respiratory tract. The substance may cause effects on the central nervous system. 

Inhalation risk
No indication can be given about the rate at which a harmful concentration of this substance in the air is reached on evaporation at 20°C. 

Effects of long-term or repeated exposure
 


OCCUPATIONAL EXPOSURE LIMITS
 

ENVIRONMENT
 

NOTES
 

ADDITIONAL INFORMATION
  EC Classification
 

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    See Also:
       Toxicological Abbreviations