Product Identification

Product Name

Dodecyl alcohol

Synonyms

1-Dodecanol
Dodecan-1-ol
Dodecyl alcohol
Lauryl alcohol

CAS

112-53-8

Formula

C12H26O

Molecular Weight

186.34

EINECS

203-982-0

RTECS

JR5775000

RTECS Class

Tumorigen; Primary Irritant

Merck

13,3439

Beilstein/Gmelin

1738860

Beilstein Reference

4-01-00-01844

EC Class

irritant, dangerous for the environment

Physical and Chemical Properties

Appearance

Colorless liquid at room temperature or white, colorless crystalline solid below 24 deg C. Unpleasant fatty odor at high concentrations, floral odor at low concentrations.

Solubility in water

Insoluble

Melting Point

22 - 24

Boiling Point

260

Vapor Pressure

0.002 (25 C)

Density

0.81976 g/cm3

Partition Coefficient

5.13

Heat Of Vaporization

87.8 kJ/mol

Heat Of Combustion

-7338 kJ/mol

Usage

Manufacture of sulfuric acid esters which are use as wetting agents.

Vapor Density

3.5

Saturation Concentration

1.1 ppm (calculated)

Refractive Index

1.44 (25 C)

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 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. Wash clothing before reuse.

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.

Handling

Wash thoroughly after handling. Use only in a well ventilated area. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.

Hazards Identification

Inhalation

May cause respiratory tract irritation.

Skin

May cause skin irritation.

Eyes

Causes eye irritation.

Ingestion

May cause irritation of the digestive tract.

Hazards

Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion and poison hazard indoors, outdoors or in sewers.

EC Risk Phrase

R 36/38

EC Safety Phrase

S 26 36

UN (DOT)

1986

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

Headache, dizziness, giddiness, ataxia, sedation and coma may occur.

Poison Class

5

Fire Fighting Measures

Flash Point

115

Autoignition

275

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing media: Use carbon dioxide or dry chemical.

Upper exp. limit

5.1

Lower exp. limit

.6

Fire Potential

Slightly flammable. Combustion requires preheating.

Accidental Release Measures

Small spills/leaks

Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, using the appropriate protective equipment. Avoid generating dusty conditions. Provide ventilation.

Stability and Reactivity

Disposal Code

1

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents, acids, strong bases, isocyanates, alliphatic amines.

Decomposition

Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.

Combustion Products

Fire will produce irritating, corrosive and/or toxic gases.

Transport Information

UN Number

1986

Hazard Class

3

Packing Group

I; II; III

HS Code

2905 17 00