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p-TOLUENESULFONYL CHLORIDE
ICSC: 1762
Peer-Review Status: 06.05.2010 Validated
Tosyl chloride
4-Toluenesulfonyl chloride
4-Methylbenzenesulfonyl chloride 
CAS #: 98-59-9 RTECS #: DB8929000
EINECS #: 202-684-8
    Formula: C7H7ClO2S
Molecular mass: 190.6

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 dry powder, carbon dioxide. NO water. NO foam. 
EXPLOSION      
 
EXPOSURE   PREVENT DISPERSION OF DUST!   
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
PACKAGING & 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.  Unbreakable packaging.
Put breakable packaging into closed unbreakable container. 
EC Classification
 
UN Classification
UN Hazard Class: 8; UN Pack Group: II 
GHS Classification
Signal: Warning
Causes skin irritation
Causes serious eye irritation
Harmful to aquatic life 
excl mark;warn

EMERGENCY RESPONSE SAFE STORAGE
  Dry. Well closed. Store in an area without drain or sewer access. 

IMPORTANT DATA
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). 

Occupational exposure limits
TLV not established.
MAK (not established):. 

Routes of exposure
 

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

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

Effects of long-term or repeated exposure
 


PHYSICAL PROPERTIES ENVIRONMENTAL DATA
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  
The substance is harmful to aquatic organisms. 

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

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