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C10-13 ALKYLBENZENESULFONIC ACID, SODIUM SALT ICSC: 1602
Date of Peer Review: October 2005

Sodium alkylbenzene sulfonate
Linear alkylbenzene sulfonic acid sodium salt
Linear alkylbenzene sodium sulfonate
LAS
CAS # 68411-30-3 C11.6H24.2C6H4SO3Na
RTECS # Molecular mass: 342.4
UN #
EC Index #
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.
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.
Safety goggles.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion Diarrhoea. Nausea. Vomiting.
Do not eat, drink, or smoke during work.
Rinse mouth. Do NOT induce vomiting.
SPILLAGE DISPOSAL PACKAGING & LABELLING
Personal protection: P2 filter respirator for harmful particles. Do NOT let this chemical enter the environment. Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting.
EU Classification
UN Classification

EMERGENCY RESPONSE STORAGE

Store in an area without drain or sewer access. Separated from acids.
IPCS
International
Programme on
Chemical Safety
Prepared in the context of cooperation between the International Programme on Chemical Safety and the Commission of the European Communities IPCS, CEC 2005

SEE IMPORTANT INFORMATION ON BACK
C10-13 ALKYLBENZENESULFONIC ACID, SODIUM SALT ICSC: 1602
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
SOLID IN VARIOUS FORMS

CHEMICAL DANGERS:
The substance decomposes on heating producing toxic and corrosive fumes including sulfur oxides. Reacts with acids producing toxic and corrosive fumes including sulfur oxides.

OCCUPATIONAL EXPOSURE LIMITS:
TLV not established. MAK 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 irritating to the skin and the respiratory tract and is corrosive to the eyes.

PHYSICAL PROPERTIES
Boiling point: 637C
Melting point: 277C
Relative density (water = 1): 1.06
Solubility in water, g/100 ml at 20C: 25
Vapour pressure, Pa at C: negligible
Octanol/water partition coefficient as log Pow: 3.32
ENVIRONMENTAL DATA
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


LEGAL NOTICE Neither the CEC nor the IPCS nor any person acting on behalf of the CEC or the IPCS is responsible for the use which might be made of this information
IPCS, CEC 2005