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2-MERCAPTOIMIDAZOLINEICSC: 1148
2-Imidazolidinethione
Ethylene thiourea
ETU
November 2016
CAS #: 96-45-7
EC Number: 202-506-9

  ACUTE HAZARDS PREVENTION FIRE FIGHTING
FIRE & EXPLOSION Combustible. Gives off irritating or toxic fumes (or gases) in a fire.  Finely dispersed particles form explosive mixtures in air.  NO open flames.  PREVENT DISPERSION OF DUST.  Use water spray, powder, foam, carbon dioxide.   

 PREVENT DISPERSION OF DUST! STRICT HYGIENE!  
  SYMPTOMS PREVENTION FIRST AID
Inhalation   Use local exhaust or breathing protection.  Fresh air. 
Skin   Protective gloves.  Rinse skin with plenty of water or shower. 
Eyes   Wear safety spectacles.  Rinse with plenty of water (remove contact lenses if easily possible). 
Ingestion   Do not eat, drink, or smoke during work.  Rinse mouth. Seek medical attention if you feel unwell. 

SPILLAGE DISPOSAL CLASSIFICATION & LABELLING
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Do NOT let this chemical enter the environment. Sweep spilled substance into covered sealable containers. If appropriate, moisten first to prevent dusting. Carefully collect remainder. Then store and dispose of according to local regulations. 

According to UN GHS Criteria

cancer;health hazexcl mark;warn
DANGER
Harmful if swallowed
May damage fertility or the unborn child
Harmful to aquatic life 

Transportation
UN Classification
 

STORAGE
Separated from strong oxidants. Store in an area without drain or sewer access. 
PACKAGING
 
2-MERCAPTOIMIDAZOLINE ICSC: 1148
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
WHITE CRYSTALS OR POWDER. 

Physical dangers
Dust explosion possible if in powder or granular form, mixed with air. 

Chemical dangers
Decomposes on heating and on burning. This produces toxic and irritating fumes including nitrogen oxides and sulfur oxides. Reacts with strong oxidants. This generates fire and explosion hazard. 

Formula: C3H6N2S
Molecular mass: 102.2
Melting point: 194°C
Solubility in water, g/100ml at 30°C: 2 (moderate)
Flash point: 252°C
Octanol/water partition coefficient as log Pow: -0.66 (calculated)
Vapour pressure, Pa at 25°C: 133
Density (at 20 °C): 1,26-1,28 g/cm³ 


EXPOSURE & HEALTH EFFECTS

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

Effects of short-term exposure
The substance may cause effects on . Exposure could cause . May cause mechanical irritation. Immediately glues (sticks to) biological tissues. This may result in allergic-type reaction of the eyelids (rose eye). 

Inhalation risk
Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly on spraying or when dispersed, especially if powdered. 

Effects of long-term or repeated exposure
The substance may have effects on the thyroid and liver. This may result in impaired functions. May cause toxicity to human reproduction or development. 


OCCUPATIONAL EXPOSURE LIMITS
MAK: carcinogen category: 3B 

ENVIRONMENT
The substance is harmful to aquatic organisms. 

NOTES
Depending on the degree of exposure, periodic medical examination is suggested. 

ADDITIONAL INFORMATION
  EC Classification
 

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    See Also:
       Toxicological Abbreviations