Product Identification

Product Name

1-Hydroxyoctadecane

Synonyms

Octadecan-1-ol
Stearyl alcohol

CAS

112-92-5

Formula

C18H38O

Molecular Weight

270.5

EINECS

204-017-6

RTECS

RG2010000

RTECS Class

Tumorigen; Primary Irritant

Merck

12,8960

Beilstein/Gmelin

1362907

Beilstein Reference

4-01-00-01888

Physical and Chemical Properties

Appearance

Leaflets from ethanol. Faint.

Solubility in water

Insoluble

Melting Point

56 - 57

Boiling Point

336

Vapor Pressure

1E-5 (25 C)

Density

0.886 g/cm3 (21 C)

Partition Coefficient

8.31

Heat Of Vaporization

66.9 kJ/mol

Usage

Substitute for cetyl alc in pharmaceutical dispensing, in cosmetic creams, for emulsions, textile oils & finishes, as antifoam agent, lubricant, & chemical raw material.

Vapor Density

9.5

Refractive Index

1.457 (20 C)

First Aid Measures

Ingestion

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

Remove from exposure to fresh air immediately. Get medical aid if cough or other symptoms appear.

Skin

Get medical aid. 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.

Handling and Storage

Storage

Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Handling

Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Do not get in eyes, on skin, or on clothing. Keep container tightly closed. Avoid ingestion and inhalation.

Hazards Identification

Inhalation

May cause respiratory tract irritation.

Skin

May cause skin irritation. Causes 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.

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

-

Fire Fighting Measures

Flash Point

139

Autoignition

230

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing media: Use foam, dry chemical, or carbon dioxide.

Upper exp. limit

2.7

Lower exp. limit

.4

Fire Potential

Fire hazard moderate when exposed to heat or flame; can react with oxidizing materials.

Accidental Release Measures

Small spills/leaks

Vacuum or sweep up material and place into a suitable disposal container. Avoid generating dusty conditions.

Stability and Reactivity

Disposal Code

3

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents - strong acids.

Decomposition

Carbon monoxide, 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