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Synthetic aroma chemicals

beta-Terpineol

Also known as p-Menth-8-en-1-ol, 1-methyl-4-(prop-1-en-2-yl)cyclohexan-1-ol, Cyclohexanol, 1-methyl-4-(1-methylethenyl)-

CAS 138-87-4Formula C10H18OMolar mass 154.25 g/molEC 205-342-6
GHS signal word: Warning. Pictograms: Harmful or irritant 1 supplier listed
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beta-Terpineol chemical structure, C10H18O, CAS 138-87-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
138-87-4
Formula
C10H18O
Molar mass
154.25 g/mol
EC number
205-342-6
HS code
290619
Category
Synthetic aroma chemicals

What is beta-Terpineol?

Plain description, key identifiers and synonyms

Beta-terpineol is a member of the class of terpineols that is cyclohexanol carrying additional methyl and propenyl substituents at positions 1 and 4 respectively. It has a role as a volatile oil component, a fragrance and a plant metabolite. It is a terpineol and a tertiary alcohol.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-methyl-4-prop-1-en-2-ylcyclohexan-1-ol
CAS number
138-87-4 CAS number cross-checkedOther or deprecated CAS: 148552-65-2, 7299-40-3, 7299-41-4
EC numbers
205-342-6, 844-907-7, 883-952-7
Molecular formula
C10H18O
UNII
55258Z4SCW, S00R85C5ER, XS86XKC2VT
MDL number
MFCD00037724
INCI name
1-METHYL-4-METHYLVINYL-CYCLOHEXANOL
InChIKey
RUJPNZNXGCHGID-UHFFFAOYSA-N
InChI
InChI=1S/C10H18O/c1-8(2)9-4-6-10(3,11)7-5-9/h9,11H,1,4-7H2,2-3H3
SMILES (canonical and isomeric)
CC(=C)C1CCC(CC1)(C)O

Synonyms

  • p-Menth-8-en-1-ol
  • 1-methyl-4-(prop-1-en-2-yl)cyclohexan-1-ol
  • Cyclohexanol, 1-methyl-4-(1-methylethenyl)-
  • 1-Methyl-4-(1-methylethenyl)cyclohexanol
  • 1-Methyl-4-isopropenylcyclohexan-1-ol
  • 4-Isopropenyl-1-methyl-1-cyclohexanol
  • beta-Terpinol
  • 1-methyl-4-(1-methylethenyl)cyclohexanal
  • trans-beta-Terpineol
  • cis-beta-Terpineol
  • trans-|A-Terpineol
  • (E)-beta-Terpineol
  • 4-Isopropenyl-1-methylcyclohexanol
  • 1-Methyl-4-(1-methylvinyl)cyclohexan-1-ol
  • cis-|A-Terpineol
  • Cyclohexanol, 1-methyl-4-(1-methylethenyl)-, cis-
  • Cyclohexanol, 1-methyl-4-(1-methylethenyl)-, trans-
  • 1-methyl-4-prop-1-en-2-ylcyclohexan-1-ol
  • Terpineol, cis-beta-
  • p-Menth-8-en-1-ol, stereoisomer
  • 1beta-Methyl-4alpha-(1-methylethenyl)cyclohexanol
  • [Z]-beta-terpineol
  • (Z)-beta-Terpineol
  • (1S,4S)-1-Methyl-4-(prop-1-en-2-yl)cyclohexan-1-ol
  • Terpinol, beta-
Show all 34 synonyms
  • t-Menth-1-en-8-ol
  • b-terpineol
  • beta-Terpineol, cis-
  • beta-Terpineol, trans-
  • beta -terpineol
  • Z-beta-terpineol
  • 4-isopropenyl-1-methyl-cyclohexanol
  • cis-I(2)-Terpineol
  • trans-I(2)-Terpineol

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

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

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
154.25 g/molcalc.
Exact mass
154.1358 Dacalc.
LogP (octanol/water)
2.5calc.
Topological polar surface area
20.23 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
1calc.
Heavy atoms
11calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.8calc.
Formal charge
0calc.
Stereocentres
0calc.
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, C1CCCCC1

C1CCCCC1

1 ring, 6 atoms, the Cyclohexane ring system.

24,737 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
Precautionary statements (9)
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • 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.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.

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

beta-Terpineol suppliers

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  • Bosschem
    ChinaUnclaimed profile
    Beta-TerpineolGrade, purity and minimum order on request
    Price on request
    View

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Where suppliers are based

1 supplier in 1 country

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beta-Terpineol 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

Cosmetic ingredient, INCI name 1-METHYL-4-METHYLVINYL-CYCLOHEXANOL(perfuming)

Roles

  • eukaryotic metabolite
  • fragrance
  • metabolite
  • plant metabolite
  • volatile oil component

Functional uses

  • Flavouring and nutrient
  • Fragrance

Cosmetic functions

  • Perfuming

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 beta-Terpineol is traded under.

HS 2906.19Indicative HS code

Cyclanic, cyclenic or cycloterpenic, other

World exports in 2024
$613M
+18.7% vs 2023, imports $606M
2019 to 2024
Top exporters
  1. China34.2%
  2. India * partner reported10.1%
  3. Germany9.5%
Top importers
  1. United States19.8%
  2. Germany9.0%
  3. India * partner reported8.4%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about beta-Terpineol, based on the data on this page

What is beta-Terpineol?

Beta-terpineol is a member of the class of terpineols that is cyclohexanol carrying additional methyl and propenyl substituents at positions 1 and 4 respectively. It has a role as a volatile oil component, a fragrance and a plant metabolite. It is a terpineol and a tertiary alcohol.

What is the CAS number of beta-Terpineol?

The CAS registry number of beta-Terpineol is 138-87-4. Other or deprecated CAS numbers: 148552-65-2, 7299-40-3, 7299-41-4.

What is the molecular formula and weight of beta-Terpineol?

The molecular formula of beta-Terpineol is C10H18O and its molar mass is 154.25 g/mol.

What is beta-Terpineol used for?

Known uses and roles of beta-Terpineol include fragrance ingredients in cosmetics and personal care, fragrances in home care and cleaning, fragrance ingredients in flavors and fragrances, eukaryotic metabolite, fragrance and 5 more.

Is beta-Terpineol hazardous?

beta-Terpineol carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of beta-Terpineol?

beta-Terpineol is usually classified under HS code 290619 (Cyclanic, cyclenic or cycloterpenic, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy beta-Terpineol?

CompoundList lists 1 supplier of beta-Terpineol in China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of beta-Terpineol?

Suppliers quote beta-Terpineol 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 beta-Terpineol

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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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