Thujopsene

  • (1S,6S,10S)-2,2,6,9-Tetramethyltricyclo[8.1.0.0]undec-8-ene
  • Cyclopropa[d]naphthalene, 1,1a,4,4a,5,6,7,8-octahydro-2,4a,8,8-tetramethyl-, (1aS,4aS,8aS)-
  • Sesquichamene
  • Widdrene
Formula
C15H24
Structure
Description
Clear, colorless liquid

Registry Numbers and Inventories.
CAS
470-40-6
EC (EINECS/ELINCS)
207-426-8
23 24/25
Merck
13,9470
Beilstein/Gmelin
1907465
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed

Properties.
Formula
C15H24
Formula mass
204.36
Melting point, °C
< 25
Boiling point, °C
258 - 260
Vapor pressure, mmHg
0.025 (25 C)
Density
0.932 g/cm3 (20 C)
Solubility in water
Insoluble
Refractive index
1.5031 (20 C)
Partition coefficient, pKow
6.36
Heat of vaporization
47.40 kJ/mol

Hazards and Protection.
Protection
Compatible chemical-resistant gloves. Chemical safety goggles. Protective clothing.
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
104
Fire fighting
Extinguish with water spray, carbon dioxide, dry chemical powder or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Hazards
Emits toxic fumes under fire conditions.

Health.
Exposure effects

First aid
 
   Ingestion
If swallowed, wash out mouth with water provided person is conscious. Call a physician.
   Inhalation
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.
   Skin
In case of contact, immediately wash skin with soap and copious amounts of water. Remove contaminated clothing and shoes. Call a physician.
   Eyes
In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician.

Transport.