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Isolongifolene

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Isolongifolene Basic information

Product Name:
Isolongifolene
Synonyms:
  • (-)-Isolongifolene >=98.0% (suM of enantioMers, GC)
  • (-)-Isolongifoline
  • (2s)-1,3,4,5,6,7-hexahydro-1,1,5,5
  • (2s)-1,3,4,5,6,7-hexahydro-1,1,5,5-tetramethyl-2h-2,4a-methanonaphthalene
  • 2H-2,4a-Methanonaphthalene, 1,3,4,5,6,7-hexahydro-1,1,5,5-tetramethyl-
  • C15 H24, 2H-2,4a-Methanonaphthalene, 1,3,4,5,6,7-hexahydro-1,1,5,5-tetramethyl-, (2S)-
  • ISOLONGIFOLENE(SG)
  • (2s)-2h-1,3,4,5,6,7-hexahydro-1,1,5,5-tetramethyl-4a-methanonaphthalen
CAS:
1135-66-6
MF:
C15H24
MW:
204.35
EINECS:
214-494-2
Mol File:
1135-66-6.mol
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Isolongifolene Chemical Properties

Boiling point:
255-256 °C
Density 
0.930 g/mL at 20 °C(lit.)
vapor pressure 
5.49Pa at 25℃
refractive index 
n20/D 1.499
Flash point:
49°C
storage temp. 
2-8°C
solubility 
DMSO: 10 mg/mL (48.94 mM)
form 
Liquid
color 
Colorless to light yellow
Odor
at 100.00 %. woody dusty amber incense
Odor Type
woody
optical activity
[α]20/D 138±2°, c = 1% in ethanol
Water Solubility 
59.998μg/L at 25℃
BRN 
2207559
LogP
5.77 at 25℃
CAS DataBase Reference
1135-66-6(CAS DataBase Reference)
NIST Chemistry Reference
2H-2,4a-methanonaphthalene, 1,3,4,5,6,7-hexahydro-1,1,5,5-tetramethyl-, (2s)-(1135-66-6)
EPA Substance Registry System
2H-2,4a-Methanonaphthalene, 1,3,4,5,6,7-hexahydro-1,1,5,5-tetramethyl-, (2S,4aR)- (1135-66-6)
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Safety Information

Risk Statements 
10
RIDADR 
UN 2319 3/PG 3
WGK Germany 
3
HazardClass 
3.2
PackingGroup 
III

MSDS

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Isolongifolene Usage And Synthesis

Uses

(-)-Isolongifolene may be used in the preparation of (-)-isolongifolenone, a potent insect repellent.

General Description

(-)-Isolongifolene is a sesquiterpene that can be found in pine cone and Japanese cedar essential oils.

Flammability and Explosibility

Flammable

Purification Methods

Reflux it over, and distil it from Na. [Zeiss & Arakawa J Am Chem Soc 76 1653 1954, IR: Reinaecker & Graafe Angew Chem, Int Ed Engl 97 348 1985, UV and NMR: Ranganathan et al. Tetrahedron 26 621 1970, Beilstein 5 IV 1191.]

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