alpha-Ionone

  • alpha-Cyclocitrylideneacetone
  • 4-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-3-buten-2-one
  • 4-(2,6,6-Trimethyl-2-cyclohexenyl)-3-buten-2-one
  • trans-alpha-Ionone
  • 3-Buten-2-one, 4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-, (3E)-
Formula
C13H20O
Structure
Description
Colorless liquid with a woody, violet odor.
Uses
Dog and cat repellent

Registry Numbers and Inventories.
CAS
127-41-3
EC (EINECS/ELINCS)
204-841-6
R 42/43
S 23 36/37 45
RTECS
EN0525000
RTECS class
Other
UN (DOT)
1325
Merck
13,5072
Beilstein/Gmelin
87215
Beilstein Reference
5-22-10-00544
EPA OPP
129030
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C13H20O
Formula mass
192.30
Melting point, °C
59 - 61
Boiling point, °C
258
Vapor pressure, mmHg
0.014 (25 C)
Density
0.930 g/cm3 (20 C)
Solubility in water
Slightly soluble
Refractive index
1.50 (20 C)
Partition coefficient, pKow
3.86
Heat of vaporization
49.5 kJ/mol
Heat of combustion
-7694 kJ/mol

Hazards and Protection.
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.
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.
Small spills/leaks
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container.
Disposal code
1
Stability
No data.
Incompatibilities
Strong oxidizing agents
Decomposition
Carbon monoxide, carbon dioxide.

Fire.
Flash Point,°C
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.
Combustion products
Fire may produce irritating and/or toxic gases.
Health
-
 
Flammability
1
 
 
Reactivity
0
 

Health.
Exposure effects
The toxological properties of this substance have not been fully investigated.
   Ingestion
May cause irritation of the digestive tract.
   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.

First aid
 
   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.

Transport.
UN number
1325
Response guide
Hazard class
4.1
Packing Group
II; III
 
HS Code
2914 23 00