IPCS INCHEM Home
C10-13 ALKYLBENZENESULFONIC ACID, SODIUM SALT
ICSC: 1602
Peer-Review Status: 20.10.2005 Validated
Sodium alkylbenzene sulfonate
Linear alkylbenzene sulfonic acid sodium salt
Linear alkylbenzene sodium sulfonate
LAS 
CAS #: 68411-30-3 EINECS #: 270-115-0
    Formula: C11.6H24.2C6H4SO3Na
Molecular mass: 342.4

TYPES OF
HAZARD /
EXPOSURE
ACUTE HAZARDS / SYMPTOMS      PREVENTION      FIRST AID / FIRE FIGHTING
FIRE Not combustible. Gives off irritating or toxic fumes (or gases) in a fire.    In case of fire in the surroundings, use appropriate extinguishing media. 
EXPLOSION      
 
EXPOSURE      
Inhalation Cough. Sore throat.  Use local exhaust or breathing protection.  Fresh air, rest. 
Skin Redness. Pain.  Protective gloves.  Rinse skin with plenty of water or shower. 
Eyes Redness. Pain. Burns.  Wear safety goggles.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
Ingestion Diarrhoea. Nausea. Vomiting.  Do not eat, drink, or smoke during work.  Rinse mouth. Do NOT induce vomiting. 

SPILLAGE DISPOSAL
PACKAGING & 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 containers. If appropriate, moisten first to prevent dusting.   
EC Classification
 
UN Classification
 
GHS Classification
 

EMERGENCY RESPONSE SAFE STORAGE
  Store in an area without drain or sewer access. Separated from acids. 

IMPORTANT DATA
Physical State; Appearance
SOLID IN VARIOUS FORMS. 

Physical dangers
 

Chemical dangers
Decomposes on heating. This produces toxic and corrosive fumes including sulfur oxides. Reacts with acids. This produces toxic and corrosive fumes including sulfur oxides. 

Occupational exposure limits
TLV (NOT-ESTABLISHED):. 

Routes of exposure
The substance can be absorbed into the body by ingestion. 

Inhalation risk
A harmful concentration of airborne particles can be reached quickly when dispersed. 

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

Effects of long-term or repeated exposure
 


PHYSICAL PROPERTIES ENVIRONMENTAL DATA
Boiling point: 637°C
Melting point: 277°C
Relative density (water = 1): 1.06
Solubility in water, g/100ml at 20°C: 25
Vapour pressure: negligible
Octanol/water partition coefficient as log Pow: 3.32  
The substance is toxic to aquatic organisms. 

NOTES
The substance is usually sold as a 50% concentrate.
The linear alkyl chain has typically 10 to 13 carbon atoms, approximately in the following mole ratio (percentage of alkyl chain lenght relative to the total component) C10:C11:C12:C13=13:30:33:24.
The formulations of linear alkylbenzene sulfonates available in US contain also 0-5% C14 component 

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