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C10-13 ALKYLBENZENESULFONIC ACID, SODIUM SALTICSC: 1602
October 2005
CAS #: 68411-30-3Sodium alkylbenzene sulfonate
Linear alkylbenzene sulfonic acid sodium salt
Linear alkylbenzene sodium sulfonate
LAS
EINECS #: 270-115-0

  ACUTE HAZARDS PREVENTION FIRE FIGHTING
FIRE & EXPLOSION Not combustible. Gives off irritating or toxic fumes (or gases) in a fire.        In case of fire in the surroundings, use appropriate extinguishing media.   

   
  SYMPTOMS ACUTE HAZARDS FIRST AID
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 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 containers. If appropriate, moisten first to prevent dusting. 

According to UN GHS Criteria

 

Transportation
UN Classification
 

STORAGE
Store in an area without drain or sewer access. Separated from acids. 
PACKAGING
 
C10-13 ALKYLBENZENESULFONIC ACID, SODIUM SALT ICSC: 1602
PHYSICAL & CHEMICAL INFORMATION

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. 

Formula: C11.6H24.2C6H4SO3Na
Molecular mass: 342.4
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  


EXPOSURE & HEALTH EFFECTS

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

Effects of short-term exposure
The substance is corrosive 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. 

Effects of long-term or repeated exposure
 


Occupational exposure limits
 

ENVIRONMENT
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
  EC Classification
 

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       Toxicological Abbreviations