Irone

  • 4-(2,5,6,6-Tetramethyl-2-cyclohexen-1-yl)-3-buten-2-one
  • Methyl-a-ionone
Formula
C14H22O
Structure
Uses
Food additive.

Registry Numbers and Inventories.
CAS
79-69-6
EC (EINECS/ELINCS)
201-219-6
23 24/25
RTECS
EN0335000
RTECS class
Tumorigen
Merck
13,5110
Beilstein/Gmelin
1343498
Beilstein Reference
6-07
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed

Properties.
Formula
C14H22O
Formula mass
206.36
Boiling point, °C
279
Vapor pressure, mmHg
0.004 (25 C)
Density
0.934 g/cm3 (25 C)
Solubility in water
Insoluble
Refractive index
1.5081 (20 C)
Heat of vaporization
51.7 kJ/mol

Hazards and Protection.
Small spills/leaks
Wash spill site with soap solution. Flush spill area with copious amounts of water. Absorb on sand or vermiculite and place in closed containers for disposal.

Fire.
Flash Point,°C
118
Fire fighting
Extinguish using Water spray. Carbon dioxide, dry chemical powder, or appropriate foam.

Health.
Exposure effects

First aid
 

Transport.