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Synthetic aroma chemicals

Citronellol

Also known as 3,7-Dimethyloct-6-en-1-ol, Cephrol, 3,7-Dimethyl-6-octen-1-ol

CAS 106-22-9Formula C10H20OMolar mass 156.27 g/molEC 203-375-0
GHS signal word: Warning. Pictograms: Harmful or irritant, Hazardous to the environment 79 suppliers listed
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Citronellol chemical structure, C10H20O, CAS 106-22-9
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless oily liquid
Melting point
<-20
Boiling point
224 °C
Density
0.8550 g/cm³ at 20 °C
Solubility
In water, 200 mg/L at 25 °C
HS code
290522
Category
Synthetic aroma chemicals
Illustrative photo, clear colourless liquid in a glass reagent bottle on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Citronellol?

Plain description, key identifiers and synonyms

Citronellol is a monoterpenoid that is oct-6-ene substituted by a hydroxy group at position 1 and methyl groups at positions 3 and 7. It has a role as a plant metabolite.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3,7-dimethyloct-6-en-1-ol
CAS number
106-22-9 CAS number cross-checkedOther or deprecated CAS: 26489-01-0
EC numbers
203-375-0, 247-737-6
Molecular formula
C10H20O
UNII
565OK72VNF
MDL number
MFCD00002935
INCI name
CITRONELLOL
InChIKey
QMVPMAAFGQKVCJ-UHFFFAOYSA-N
InChI
InChI=1S/C10H20O/c1-9(2)5-4-6-10(3)7-8-11/h5,10-11H,4,6-8H2,1-3H3
SMILES (canonical and isomeric)
CC(CCC=C(C)C)CCO

Synonyms

  • 3,7-Dimethyloct-6-en-1-ol
  • Cephrol
  • 3,7-Dimethyl-6-octen-1-ol
  • 6-Octen-1-ol, 3,7-dimethyl-
  • Elenol
  • Rodinol
  • 2,3-Dihydrogeraniol
  • 2,6-Dimethyl-2-octen-8-ol
  • Citronellol, dl-
  • Dihydrogeraniol
  • Citronellol (ex. Java citronella oil)
  • beta-Citronellol
  • DL-Citronellol
  • (+/-)-beta-Citronellol
  • Citronellol (Standard)
  • beta-Citronellol, 95%
  • 3,7-dimethyl-oct-6-en-1-ol
  • 6-Octen-1-ol, 3,7-dimethyl-, (+/-)-
  • b-citronellol
  • Insect Repellent
  • D-Citronellol, (R)-(+)-beta-Citronellol
  • (+/-)-Citronellol, (+/-)-beta-Citronellol
  • Citronellol (natural)
  • (+-)-beta-citronellol
  • (+-)-Citronellol
Show all 36 synonyms
  • nardus
  • mite attractant
  • rac-Citronellol
  • beta-citronellol, (R)-
  • Levo-citronellol
  • acyclic monoterpenoid
  • pelargonium geraniums
  • ()-beta-Citronellol
  • (-)-b-Citronellol
  • geranium oil saponified
  • (+-)-beta, -Citronellol

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

Appearance
Colorless oily liquidexp.
Odour
Fresh rosy odorexp.
Taste
Bitter taste /d-Citronellol/, sweet, peach-like flavor /l-citronellol/exp.
Melting point
<-20exp.
Boiling point
224 °Cexp.
Density
0.8550 g/cm³ at 20 °Cexp.
Solubility
In water, 200 mg/L at 25 °Cexp.
Vapour pressure
0.02 mm Hg at 25 °Cexp.

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
156.27 g/molcalc.
Exact mass
156.1514 Dacalc.
LogP (octanol/water)
2.75calc.
Topological polar surface area
20.23 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
5calc.
Heavy atoms
11calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.8calc.
Formal charge
0calc.
Stereocentres
1calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H315Causes skin irritation.
  • H317May cause an allergic skin reaction.
  • H319Causes serious eye irritation.
  • H411Toxic to aquatic life with long lasting effects.
Precautionary statements (15)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • 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.
  • P302 + P352If on skin: Wash with plenty of water.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P333 + P317If skin irritation or rash occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P391Collect spillage.
  • 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

Citronellol suppliers

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All 79 suppliers
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Where suppliers are based

79 suppliers in 15 countries

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Citronellol 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

Reported uses (ppm):

Table: Reported uses (ppm): (Flavor and Extract Manufacturers' Association, 1994) [Table#6302].

In perfumery.

Citronellol is one of the components responsible for the insect repellent properties of citronella oil ... Citronellol finds extensive use in floral fragrances and in flavors for citrus and other fruit notes. Its stability makes it particularly useful in fragrances for soaps, detergents, and other household products. Citronellol is also important as an intermediate in the synthesis of a number of other aroma chemicals ... Citronellol is the key feedstock for the synthesis of rose oxide.

Citronellol is one of the most widely used fragrance materials, particularly for rose notes and for floral compositions in general. As flavor material, citronellol is added for bouquetting purposes to citrus compositions.

Read more

It is the starting material for numerous citronellyl esters and for hydroxydihydrocitronellol, an intermediate in the production of hydroxydihydrocitronellal.

Industrial uses: Other, Intermediate, Odor agents, Fragrance.

Consumer uses: Fragrance, Odor agents.

Use classes: Cosmetics.

Cosmetic ingredient, INCI name CITRONELLOL(perfuming)

Roles

  • eukaryotic metabolite
  • metabolite
  • plant metabolite

Functional uses

  • Biocide
  • Deodorizer
  • Flavouring and nutrient
  • Fragrance
  • Processing aids not otherwise specified

Cosmetic functions

  • Perfuming

How it is made

Citronellol is manufactured on a commercial scale by the hydrogenation of nerol and geraniol, which in turn are made either from alpha- or beta-pinene. Hydrogenation of nerol and geraniol over a copper chromite catalyst gives a high yield of citronellol. Fractional distillation of the crude product produces a perfumery-quality citronellol. Geraniol can also be hydrogenated selectively to citronellol, without forming tetrahydrogeraniol, through use of a Raney cobalt catalyst. However, partial hydrogenation using a nickel catalyst does give some tetrahydrogeraniol.

Read more

The product contains nerol, geraniol, and tetrahydrogeraniol and has odor properties closer to materials derived from citronella oil, and is therefore useful as a perfumery material.

Manufacturing: Woroch et al., Bain, Webb, United States of America patent 2990422, United States of America patent 3005845, United States of America patent 3028431 (1961, 1961, 1962, all to Glidden), Eschinasi, United States of America patent 30527301962 to Givaudan).

Citronellol may be obtained by reduction of citronellal or geraniol, or by fractional distillation of geranium oil or citronella oil. It may also be prepared synthetically.

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory
  • EU Cosmetics Regulation Annex III, restricted in cosmetics
    Name: Citronellol, Ref no: 86, Annex ref: III/86

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 Citronellol is traded under.

HS 2905.22Indicative HS code

Acyclic terpene alcohols

World exports in 2024
$481M
+36.3% vs 2023, imports $493M
2019 to 2024
Top exporters
  1. Germany24.2%
  2. China18.0%
  3. India * partner reported12.4%
Top importers
  1. Germany13.3%
  2. Singapore10.6%
  3. India * partner reported9.8%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Citronellol?

Citronellol is a monoterpenoid that is oct-6-ene substituted by a hydroxy group at position 1 and methyl groups at positions 3 and 7. It has a role as a plant metabolite.

What is the CAS number of Citronellol?

The CAS registry number of Citronellol is 106-22-9. Other or deprecated CAS numbers: 26489-01-0.

What is the molecular formula and weight of Citronellol?

The molecular formula of Citronellol is C10H20O and its molar mass is 156.27 g/mol.

What is Citronellol used for?

Reported uses (ppm): Table: Reported uses (ppm): (Flavor and Extract Manufacturers' Association, 1994) [Table#6302]. In perfumery. Citronellol is one of the components responsible for the insect repellent properties of citronella oil ...

Is Citronellol hazardous?

Citronellol carries the GHS signal word "Warning". Main hazards: causes skin irritation, may cause an allergic skin reaction, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Citronellol?

Citronellol is usually classified under HS code 290522 (Acyclic terpene alcohols). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Citronellol?

CompoundList lists 79 suppliers of Citronellol in United States, China, India, Germany and 11 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Citronellol in India?

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

What is the price of Citronellol?

Suppliers quote Citronellol 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 Citronellol

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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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