Dodecylbenzenesulfonic acid

  • Dodecylbenzenesulfonic acid
  • Laurylbenzenesulfonic acid
  • Sulframin Acid
  • Catalyst 600
  • Ufacid K
  • Polystep A 13
Formula
C18H30O3S
Structure
Description
Dodecylbenzenesulfonic acid is a colorless liquid.
Uses
Dodecylbenzenesulfonic acid is used as an impregnation medium for detection of amino acids and dipeptides by use of thin layer chromatography.

Registry Numbers and Inventories.
CAS
27176-87-0
EC (EINECS/ELINCS)
248-289-4
RTECS
DB6600000
RTECS class
Other
UN (DOT)
2584
Beilstein/Gmelin
NA
EPA OPP
98002
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C18H30O3S
Formula mass
326.54
Melting point, °C
10
Boiling point, °C
315
Odor Threshold Odor threshold 200 mg/L in water
Density
0.9 g/cm3 (25 C) (solvent)

Hazards and Protection.
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.
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.
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
Stable under normal temperatures and pressures.
Incompatibilities
Oxidizers, alkaline substances, metals.
Decomposition
Carbon monoxide, oxides of sulfur, carbon dioxide.

Fire.
Flash Point,°C
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.
Hazards
When heated, vapors may form explosive mixtures with air: indoors, outdoors, and sewers explosion hazards.
Combustion products
May give off SO 3 , SO 2 and H 2 S
Health
3
 
Flammability
0
 
 
Reactivity
0
 

Health.
Exposure effects
   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.

First aid
 
   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.

Transport.
UN number
2584
Response guide
Hazard class
8
Packing Group
II
 
USCG CHRIS Code
DSA
 
Std. Transport #
4931426 4931419
 
IMO Chemical Code
17
IMO Pollution Category
C
IMO Hazard code
S/P