Product Identification

Product Name

Hexaoxacyclo-octadecane

Synonyms

1,4,7,10,13,16-hexaoxacyclooctadecane
18-Crown ether-6
Ethylene oxide cyclic hexamer

CAS

17455-13-9

Formula

C12H24O6

Molecular Weight

264.32

EINECS

241-473-5

RTECS

MP4500000

RTECS Class

Drug; Primary Irritant

Merck

13,2630

Beilstein/Gmelin

1619616

Beilstein Reference

5-19-12-00601

EC Class

harmful

Physical and Chemical Properties

Appearance

Colorless solid.

Solubility in water

Soluble

Melting Point

37 - 39

Boiling Point

396

Vapor Pressure

4E-6 (25 C)

Density

1.237 g/cm3 (25 C)

Partition Coefficient

-.81

Heat Of Vaporization

62.1 kJ/mol

Heat Of Combustion

-7071 kJ/mol

Usage

Useful as a phase transfer catalyst.

Refractive Index

1.4577 (50 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 immediately.

Inhalation

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

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 immediately.

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. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.

Hazards Identification

Ingestion

The toxicological properties of this substance have not been fully investigated. May be harmful if swallowed.

Inhalation

The toxicological properties of this substance have not been fully investigated. Inhalation of dust may cause respiratory tract irritation.

Skin

Causes skin irritation. Substance is rapidly absorbed through the skin.

Eyes

Causes eye irritation.

EC Risk Phrase

R 22 36/38

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.

Fire Fighting Measures

Flash Point

163

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.

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

No data.

Incompatibilities

Strong oxidizing agents - strong acids.

Decomposition

Carbon monoxide, carbon dioxide.

Transport Information

HS Code

2932 99 95