Longifolene

  • Kuromatsuene
  • (1R,2S,7S,9S)-3,3,7-Trimethyl-8-methylenetricyclo[5.4.0.02.9]undecane
  • [1S-(1a,3ab,4a,8ab)]-Decahydro-4,8,8-trimethyl-9-methylene-1,4-methanoazulene
Formula
C15H24
Structure
Uses
Borane deriv as a chiral hydroborating agent.

Registry Numbers and Inventories.
CAS
475-20-7
EC (EINECS/ELINCS)
207-491-2
RTECS
PB7724500
RTECS class
Natural Product
Merck
12,5597
Beilstein/Gmelin
2044263
Beilstein Reference
4-50-00-01192
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Korea ECL
Listed

Properties.
Formula
C15H24
Formula mass
204.36
Melting point, °C
94 - 95
Boiling point, °C
252
Vapor pressure, mmHg
0.031 (25 C)
Density
0.9301 g/cm3 (25 C)
Solubility in water
Insoluble
Refractive index
1.4955 (30 C)
Heat of vaporization
47.0 kJ/mol

Hazards and Protection.
Storage
Keep tightly closed. Store at 2-8 C
Protection
Protective gloves. Chemical safety goggles.
Small spills/leaks
Absorb on sand or vermiculite and place in closed containers for disposal. Ventilate area and wash spill site after material pickup is complete.
Stability
Stable at normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, Carbon dioxide.

Fire.
Flash Point,°C
102
Fire fighting
Extinguish using 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
0
 
Flammability
0
 
 
Reactivity
0
 

Health.
Exposure effects
   Ingestion
May be harmful if swallowed.
   Inhalation
May be harmful if inhaled. Material may be irritating to mucous membranes and upper respiratory tract.
   Skin
May cause skin irritation. May be harmful if absorbed through the skin.
   Eyes
May cause eye irritation.

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 breathing becomes difficult, call a physician.
   Skin
In case of contact, immediately wash skin with soap and copious amounts of water.
   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.