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p-TOLUENESULFONYL CHLORIDEICSC: 1762
Tosyl chloride
4-Toluenesulfonyl chloride
4-Methylbenzenesulfonyl chloride
May 2010
CAS #: 98-59-9
EC Number: 202-684-8

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

 PREVENT DISPERSION OF DUST!  
  SYMPTOMS PREVENTION FIRST AID
Inhalation Cough.  Use local exhaust or breathing protection.  Fresh air, rest. 
Skin Redness. Pain.  Protective gloves.  Remove contaminated clothes. Rinse skin with plenty of water or shower. 
Eyes Redness. Pain.  Wear safety goggles or eye protection in combination with breathing protection if powder.  Rinse with plenty of water (remove contact lenses if easily possible). Refer immediately for medical attention. 
Ingestion Sore throat.  Do not eat, drink, or smoke during work.  Rinse mouth. Give one or two glasses of water to drink. Refer for medical attention . 

SPILLAGE DISPOSAL CLASSIFICATION & LABELLING
Personal protection: filter respirator for organic gases and particulates adapted to the airborne concentration of the substance. Do NOT let this chemical enter the environment. Sweep spilled substance into containers. Carefully collect remainder. Then store and dispose of according to local regulations. 

According to UN GHS Criteria

excl mark;warn
WARNING
Causes skin irritation
Causes serious eye irritation
Harmful to aquatic life 

Transportation
UN Classification
UN Hazard Class: 8; UN Pack Group: II 

STORAGE
Dry. Well closed. Store in an area without drain or sewer access. 
PACKAGING
Unbreakable packaging.
Put breakable packaging into closed unbreakable container. 
p-TOLUENESULFONYL CHLORIDE ICSC: 1762
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
COLOURLESS-TO-YELLOW HYGROSCOPIC CRYSTALS WITH PUNGENT ODOUR. 

Physical dangers
No data. 

Chemical dangers
Decomposes on heating. This produces toxic and corrosive fumes including sulfur oxides and hydrogen chloride. Reacts with water and moist air. This produces hydrogen chloride (see ICSC 0163). 

Formula: C7H7ClO2S
Molecular mass: 190.6
Melting point: 69-71°C
Density: 1.3 g/cm³
Solubility in water: reaction
Vapour pressure, Pa at 25°C: 0.16
Relative vapour density (air = 1): 6.6
Flash point: 128°C c.c.
Auto-ignition temperature: 492°C
Octanol/water partition coefficient as log Pow: 3.49  


EXPOSURE & HEALTH EFFECTS

Routes of exposure
 

Effects of short-term exposure
The substance is severely irritating to the eyes. The substance is irritating to the skin and respiratory tract. 

Inhalation risk
A harmful concentration of airborne particles can be reached quickly when dispersed, especially if powdered. 

Effects of long-term or repeated exposure
 


OCCUPATIONAL EXPOSURE LIMITS
 

ENVIRONMENT
The substance is harmful to aquatic organisms. 

NOTES
Reacts violently with fire extinguishing agents such as water and foam. 

ADDITIONAL INFORMATION
  EC Classification
 

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    See Also:
       Toxicological Abbreviations