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

Cosmetics Ingredients Functions

PERFUMING

InChI

1S/C15H24/c1-13(2)8-5-6-12-14(3,4)11-7-9-15(12,13)10-11/h6,11H,5,7-10H2,1-4H3/t11-,15-/m0/s1

InChIKey

CQUAYTJDLQBXCQ-NHYWBVRUSA-N

SMILES

CC1(C)CCC=C2C(C)(C)[C@H]3CC[C@@]12C3

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)

Safety Information

Risk Statements 

10

RIDADR 

UN 2319 3/PG 3

WGK Germany 

3

TSCA 

TSCA listed

HazardClass 

3.2

PackingGroup 

III

Storage Class

3 - Flammable liquids

Hazard Classifications

Flam. Liq. 3

MSDS

• Language:English Provider:SigmaAldrich

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.]

Isolongifolene(1135-66-6)Related Product Information

• N-Methylaniline
• 2,6-DIMETHYLNAPHTHALENE
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• CIS,TRANS,CIS-1,2,4-TRIMETHYLCYCLOPENTANE
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• Isolongifolene
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• FOLENOX