Product Identification

Product Name

Lauryl sulfate sodium salt

Synonyms

Dodecyl sodium sulfate
Irium
Lauryl sodium sulfate
Sodium dodecyl sulfate

CAS

151-21-3

Formula

C12H25NaO4S

Molecular Weight

288.38

EINECS

205-788-1

RTECS

WT1050000

RTECS Class

Drug; Mutagen; Reproductive Effector; Primary Irritant

Merck

12,8782

Beilstein/Gmelin

3599286

EC Class

harmful, irritant

Physical and Chemical Properties

Appearance

White, cream-colored or light yellow crystals, flakes or powder. Faint fatty odor.

Solubility in water

100 g/L

Melting Point

204 - 207

Density

1.1 g/cm3 (20 C)

Partition Coefficient

1.6

Usage

Surface-active agent for emulsion polymerization, in metal processing, detergents & shampoo, emulsifying, foaming, wetting, dispersing agent in creams, lotion & medical preparations, foaming, wetting & dispersing agent in toothpaste, emulsifier, whipping agent & surfactant in foods.

First Aid Measures

Ingestion

Do NOT induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid.

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

Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists.

Eyes

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

Handling and Storage

Storage

Store in a cool, dry place. Store in a tightly closed container.

Handling

Wash thoroughly after handling. Wash hands before eating. Use only in a well ventilated area. Do not breathe dust, vapor, mist, or gas. Do not get on skin or in eyes. Do not ingest or inhale.

Hazards Identification

Inhalation

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

Skin

Causes skin irritation.

Eyes

Causes eye irritation.

Ingestion

Causes gastrointestinal irritation with nausea, vomiting and diarrhea.

EC Risk Phrase

R 22 36/37/38

EC Safety Phrase

S 26 36/37/39

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 protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.

Respirators

Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.

Exposure Effects

Repeated exposure may cause allergic respiratory reaction (asthma). Chronic inhalation may lead to decreased pulmonary function.

Poison Class

4

Fire Fighting Measures

Flash Point

>150

Fire Fighting

Fires involving this material can be controlled with a dry chemical, carbon dioxide or Halon extinguisher. A water spray may also be used.

Fire Potential

This material is probably combustible.

Accidental Release Measures

Small spills/leaks

Vacuum or sweep up material and place into a suitable disposal container. Reduce airborne dust and prevent scattering by moistening with water. Clean up spills immediately, using the appropriate protective equipment.

Stability and Reactivity

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents.

Decomposition

Carbon monoxide, oxides of sulfur, carbon dioxide.

Transport Information

HS Code

2920 90 10