C10-13 ALKYLBENZENESULFONIC ACID, SODIUM SALT (ICSC)

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

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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: 637°C
Melting point: 277°C
Relative density (water = 1): 1.06
Solubility in water, g/100 ml at 20°C: 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

    See Also:
       Toxicological Abbreviations