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p-TOLUENESULFONAMIDEICSC: 1557
4-Toluenesulfonamide
4-Methylbenzenesulfonamide
p-Tosylamide
April 2005
CAS #: 70-55-3
EC Number: 200-741-1

  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, foam, carbon dioxide.   

   
  SYMPTOMS PREVENTION FIRST AID
Inhalation   Use ventilation.   
Skin   Protective gloves.   
Eyes Redness. Pain.  Wear safety goggles.  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.   

SPILLAGE DISPOSAL CLASSIFICATION & LABELLING
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting. 

According to UN GHS Criteria

 

Transportation
UN Classification
 

STORAGE
Separated from strong oxidants, acids and bases. 
PACKAGING
 
p-TOLUENESULFONAMIDE ICSC: 1557
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
WHITE CRYSTALS. 

Physical dangers
 

Chemical dangers
Decomposes on burning. This produces toxic fumes including nitrogen oxides and sulfur oxides. Reacts violently with acids, bases and strong oxidants. 

Formula: C7H9NO2S
Molecular mass: 171.2
Melting point: 138°C
Solubility in water, g/100ml at 25°C: 0.316
Vapour pressure at 25°C: negligible
Flash point: 202°C c.c.
Octanol/water partition coefficient as log Pow: 0.82  


EXPOSURE & HEALTH EFFECTS

Routes of exposure
 

Effects of short-term exposure
May cause mechanical irritation to the eyes. 

Inhalation risk
A nuisance-causing concentration of airborne particles can be reached quickly when dispersed. 

Effects of long-term or repeated exposure
 


OCCUPATIONAL EXPOSURE LIMITS
 

ENVIRONMENT
 

NOTES
Other melting points: 105°C (hydrated).
The substance is in commercial mixtures with o-toluenesulfonamide, see ICSC 1581. 

ADDITIONAL INFORMATION
  EC Classification
 

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    See Also:
       Toxicological Abbreviations
       p-Toluenesulfonamide  (SIDS)