Product Identification

Product Name

Laurylbenzenesulfonic acid

Synonyms

Catalyst 600
Dodecylbenzenesulfonic acid
Laurylbenzenesulfonic acid
Sulframin Acid
Ufacid K

CAS

27176-87-0

Formula

C18H30O3S

Molecular Weight

326.54000000000002

EINECS

248-289-4

RTECS

DB6600000

RTECS Class

Other

Beilstein/Gmelin

NA

Physical and Chemical Properties

Appearance

Dodecylbenzenesulfonic acid is a colorless liquid.

Melting Point

10

Boiling Point

315

Density

0.9 g/cm3 (25 C) (solvent)

Usage

Used as an impregnation medium for detection of amino acids and dipeptides by use of thin layer chromatography. Surface active agent.

Odor threshold

200 mg/L in water

First Aid Measures

Ingestion

Do NOT induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately.

Inhalation

Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.

Skin

Get medical aid immediately. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.

Eyes

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Handling and Storage

Storage

Store in a cool, dry place. Keep container closed when not in use. Keep from contact with oxidizing materials. Keep away from metals. Corrosives area. Do not store near alkaline substances.

Handling

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use only in a well ventilated area. Minimize dust generation and accumulation. Do not get in eyes, on skin, or on clothing. Keep container tightly closed. Do not ingest or inhale.

Hazards Identification

Ingestion

Harmful if swallowed. Causes gastrointestinal tract burns.

Inhalation

May cause severe irritation of the respiratory tract with sore throat, coughing, shortness of breath and delayed lung edema.

Skin

Causes severe skin irritation and burns.

Eyes

Causes severe eye burns. May cause irreversible eye injury.

Hazards

When heated, vapors may form explosive mixtures with air: indoors, outdoors, and sewers explosion hazards.

UN (DOT)

2584

Exposure Controls/Personal Protection

Personal Protection

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin.

Respirators

A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.

Fire Fighting Measures

Flash Point

200

Fire Fighting

Use water in flooding quantities as fog. Solid streams of water may be ineffective. Cool all affected containers with flooding quantities of water. Apply water from as far a distance as possible. Use alcohol foam, dry chemical or carbon dioxide. Use water spray to knock-down vapors.

Fire Potential

Nonflammable. Combustible in hot flame.

Accidental Release Measures

Small spills/leaks

Vacuum or sweep up material and place into a suitable disposal container. Wash area with soap and water. Clean up spills immediately, using the appropriate protective equipment.

Stability and Reactivity

Incompatibilities

Oxidizers, alkaline substances, metals.

Stability

Stable under normal temperatures and pressures.

Decomposition

Carbon monoxide, oxides of sulfur, carbon dioxide.

Combustion Products

May give off SO 3 , SO 2 and H 2 S

Transport Information

UN Number

2584

Hazard Class

8

Packing Group

II