Product Identification

Product Name

cis-Anethol

Synonyms

1-Methoxy-4-(1-propenyl)benzene
1-Methoxy-4-propenylbenzene
4-(1-Propenyl)anisole
Anise camphor
Isoestragole
trans-anethole

CAS

104-46-1

Formula

C10H12O

Molecular Weight

148.19999999999999

EINECS

203-205-5

RTECS

BZ8925000

RTECS Class

Tumorigen

Merck

13,647

Beilstein/Gmelin

774229

Beilstein Reference

2-06-00-00523

Physical and Chemical Properties

Appearance

White crystals or a liquid. Odor of anise oil and a sweet taste.

Solubility in water

Insoluble

Melting Point

21.3

Boiling Point

234.5

Vapor Pressure

0.069 (25 C)

Density

1 g/cm3 (12 C)

Partition Coefficient

3.17

Heat Of Vaporization

45.5 kJ/mol

Heat Of Combustion

-5619 kJ/mol

Usage

Accounts for the distinctive licorice flavor of anise, fennel, star anise, and anise myrtle.

Refractive Index

1.5558 (11.5 C)

First Aid Measures

Ingestion

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

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. 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.

Handling and Storage

Storage

Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Handling

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. 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

Inhalation

May cause respiratory tract irritation.

Skin

May cause skin irritation. May cause erythema, and edema with crusting and scaling.

Eyes

May cause eye irritation.

Ingestion

May cause irritation of the digestive tract. Stomatitis (inflamation of the mucous membranes in the mouth) is a common sign of toxicity.

EC Safety Phrase

S 24/25

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

vertigo, ataxia, drowsiness, and coma may occur. CNS depression may have a rapid onset (30 minutes), or be delayed for up to 4 hours. May be up to 3 days in duration. Dizziness, giddiness, and disorientation usually occur in the first 30 minutes.

Poison Class

4

Fire Fighting Measures

Flash Point

89

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 agent most appropriate to extinguish fire. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam.

Upper exp. limit

7.2

Lower exp. limit

.9

Fire Potential

This compound is combustible.

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

Incompatibilities

Oxidizing agents.

Stability

Stable under normal temperatures and pressures.

Decomposition

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