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Synthetic aroma chemicals

Longifolene

Also known as (+)-Longifolene, Junipene, Junipen

CAS 475-20-7Formula C15H24Molar mass 204.36 g/molEC 207-491-2
GHS signal word: Danger. Pictograms: Harmful or irritant, Serious health hazard, Hazardous to the environment 20 suppliers listed
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Longifolene chemical structure, C15H24, CAS 475-20-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
475-20-7
Formula
C15H24
Molar mass
204.36 g/mol
Physical form
Liquid
HS code
290219
Category
Synthetic aroma chemicals
Illustrative photo, 200 litre blue HDPE drums of liquid in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Longifolene?

Plain description, key identifiers and synonyms

(+)-longifolene is a longifolene. It is an enantiomer of a (-)-longifolene.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(1R,2S,7S,9S)-3,3,7-trimethyl-8-methylidenetricyclo[5.4.0.02,9]undecane
CAS number
475-20-7 CAS number cross-checked
EC number
207-491-2
Molecular formula
C15H24
UNII
3YXH7YY8WM
MDL number
MFCD23380551
INCI name
LONGIFOLENE
InChIKey
PDSNLYSELAIEBU-GUIRCDHDSA-N
InChI
InChI=1S/C15H24/c1-10-11-6-7-12-13(11)14(2,3)8-5-9-15(10,12)4/h11-13H,1,5-9H2,2-4H3/t11-,12-,13+,15-/m1/s1
Canonical SMILES
C=C1C2CCC3C2C(C)(C)CCCC13C
Isomeric SMILES
C[C@]12CCCC([C@@H]3[C@H]1CC[C@@H]3C2=C)(C)C

Synonyms

  • (+)-Longifolene
  • Junipene
  • Junipen
  • Kuromatsuen
  • Kuromatsuene
  • Longifolen
  • (1S,3aR,4S,8aS)-4,8,8-trimethyl-9-methylenedecahydro-1,4-methanoazulene
  • (+)-Longifolen
  • alpha-Longifolene
  • (1S,3aR,4S,8aS)-4,8,8-trimethyl-9-methylidenedecahydro-1,4-methanoazulene
  • 1,4-Methanoazulene, decahydro-4,8,8-trimethyl-9-methylene-, (1S,3aR,4S,8aS)-
  • 1,4-Methanoazulene, decahydro-4,8,8-trimethyl-9-methylene-
  • (1S,3aR,4S,8aS)-(+)-decahydro-4,8,8-trimethyl-9-methylene-1,4-methanoazulene
  • 1,4-Methanoazulene, decahydro-4,8,8-trimethyl-9-methylene-, (1S-(1alpha,3abeta,4alpha,8abeta))
  • 1,4-Methanoazulene, decahydro-4,8,8-trimethyl-9-methylene-, (1S-(1alpha,3abeta,4alpha,8abeta))-
  • (1S-(1alpha,3a.beta.,4alpha,8a.beta.))decahydro-4,8,8-trimethyl-9-methylene-1,4-methanoazulene
  • 1,4-Methanoazulene, decahydro-9-methylene-4,8,8-trimethyl-, (1S-(1-alpha,3a-beta,4-alpha,8a-beta))-
  • (1R,2S,7S,9S)-3,3,7-trimethyl-8-methylidenetricyclo(5.4.0.02,9)undecane
  • (1R,2S,7S,9S)-3,3,7-trimethyl-8-methylidenetricyclo[5.4.0.02,9]undecane
  • 1,4-Methanoazulene, decahydro-4,8,8-trimethyl-9-methylene-, (1S,3aR,4S,8aS)-(+)-
  • 1,4-Methanoazulene, decahydro-4,8,8-trimethyl-9-methylene-, (1S-(1alpha,3a.beta.,4alpha,8a.beta.))-
  • 3,3,7-trimethyl-8-methylidenetricyclo(5.4.0.02,9)undecane
  • 3,3,7-trimethyl-8-methylidenetricyclo[5.4.0.02,9]undecane
  • (1S-(1Alpha,3abeta,4alpha,8abeta))decahydro-4,8,8-trimethyl-9-methylene-1,4-methanoazulene
  • 1,4-Methanoazulene, decahydro-4,8,8-trimethyl-9-methylene-, (1S-(1alpha,3abeta,4alpha,8abeta))-(9CI)
Show all 32 synonyms
  • d-Longifolene
  • Longifolene (>75%)
  • [1S-(1alpha,3abeta,4alpha,8abeta)]-Decahydro-4,8,8-trimethyl-9-methylene-1,4-methanoazulene
  • (1S-(1alpha,3Abeta,4alpha,8abeta))-decahydro-4,8,8-trimethyl-9-methylene-1,4-methanoazulene
  • Longiforene
  • Longifolene Impurity1
  • (+)-Longifolene (Standard)

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Physical form
Liquidexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
204.36 g/molcalc.
Exact mass
204.1878 Dacalc.
LogP (octanol/water)
4.42calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
15calc.
Rings
3calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.87calc.
Formal charge
0calc.
Stereocentres
4calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, C=C1C2CCC3C1CCCCC23

C=C1C2CCC3C1CCCCC23

3 rings, 12 atoms.

4 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H304May be fatal if swallowed and enters airways.
  • H317May cause an allergic skin reaction.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (13)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P272Contaminated work clothing should not be allowed out of the workplace.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P302 + P352If on skin: Wash with plenty of water.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P331Do not induce vomiting.
  • P333 + P317If skin irritation or rash occurs: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P391Collect spillage.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Longifolene suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 20 suppliers
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Where suppliers are based

20 suppliers in 8 countries

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Longifolene price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Industrial uses: Fragrance.

Consumer uses: Fragrance.

Cosmetic ingredient, INCI name LONGIFOLENE(fragrance, perfuming, skin conditioning - miscellaneous)

Functional uses

  • Deodorizer
  • Flavouring and nutrient
  • Fragrance
  • Softener and conditioner

Cosmetic functions

  • Fragrance
  • Perfuming
  • Skin conditioning - miscellaneous

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Longifolene is traded under.

HS 2902.19Indicative HS code

Cyclanes, cyclenes and cycloterpenes, other

World exports in 2024
$979M
+24.3% vs 2023, imports $1B
2019 to 2024
Top exporters
  1. China23.4%
  2. United States20.6%
  3. Germany13.6%
Top importers
  1. India * partner reported9.9%
  2. United States9.8%
  3. South Korea9.5%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Longifolene is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Longifolene, based on the data on this page

What is Longifolene?

(+)-longifolene is a longifolene. It is an enantiomer of a (-)-longifolene.

What is the CAS number of Longifolene?

The CAS registry number of Longifolene is 475-20-7.

What is the molecular formula and weight of Longifolene?

The molecular formula of Longifolene is C15H24 and its molar mass is 204.36 g/mol.

What is Longifolene used for?

Industrial uses: Fragrance. Consumer uses: Fragrance.

Is Longifolene hazardous?

Longifolene carries the GHS signal word "Danger". Main hazards: may be fatal if swallowed and enters airways, may cause an allergic skin reaction, very toxic to aquatic life. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Longifolene?

Longifolene is usually classified under HS code 290219 (Cyclanes, cyclenes and cycloterpenes, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Longifolene?

CompoundList lists 20 suppliers of Longifolene in China, India, United Kingdom, Italy and 4 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Longifolene in India?

6 suppliers in India list Longifolene on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Longifolene?

Suppliers quote Longifolene on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Longifolene

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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