Product Identification

Product Name

alpha-Ionone

Synonyms

3-Buten-2-one, 4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-, (3E)-
4-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-3-buten-2-one
4-(2,6,6-Trimethyl-2-cyclohexenyl)-3-buten-2-one
alpha-Cyclocitrylideneacetone
trans-alpha-Ionone

CAS

127-41-3

Formula

C13H20O

Molecular Weight

192.3

EINECS

204-841-6

RTECS

EN0525000

RTECS Class

Other

Merck

13,5072

Beilstein/Gmelin

87215

Beilstein Reference

5-22-10-00544

Physical and Chemical Properties

Appearance

Colorless liquid with a woody, violet odor.

Solubility in water

Slightly soluble

Melting Point

59 - 61

Boiling Point

258

Vapor Pressure

0.014 (25 C)

Density

0.930 g/cm3 (20 C)

Partition Coefficient

3.86

Heat Of Vaporization

49.5 kJ/mol

Heat Of Combustion

-7694 kJ/mol

Usage

Dog and cat repellent.

Refractive Index

1.50 (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. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.

Skin

Get medical aid if irritation develops or persists. Flush skin with plenty of soap and water.

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 cool, dry, well-ventilated area away from incompatible substances.

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. May cause allergic respiratory tract irritation.

Skin

May cause skin irritation. May cause skin sensitization, an allergic reaction, which becomes evident upon re-exposure to this material.

Eyes

May cause eye irritation.

Ingestion

May cause irritation of the digestive tract.

EC Risk Phrase

R 42/43

EC Safety Phrase

S 23 36/37 45

UN (DOT)

1325

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

The toxological properties of this substance have not been fully investigated.

Fire Fighting Measures

Flash Point

104

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.

Fire Potential

Flammable/combustible material. May be ignited by friction, heat, sparks or flames.

Accidental Release Measures

Small spills/leaks

Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container.

Stability and Reactivity

Disposal Code

1

Stability

No data.

Incompatibilities

Strong oxidizing agents

Decomposition

Carbon monoxide, carbon dioxide.

Combustion Products

Fire may produce irritating and/or toxic gases.

Transport Information

UN Number

1325

Hazard Class

4.1

Packing Group

II; III

HS Code

2914 23 00