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Synthetic aroma chemicals

Isodecanol

Also known as Isodecyl alcohol, Exxal 10, 8-methylnonan-1-ol

CAS 25339-17-7Formula C10H22OMolar mass 158.29 g/molEC 246-869-1
GHS signal word: Warning. Pictograms: Harmful or irritant, Hazardous to the environment 21 suppliers listed
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Isodecanol chemical structure, C10H22O, CAS 25339-17-7
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless liquid
Melting point
<60
Boiling point
220 °C
Density
Relative density (water = 1): 0.84
Flash point
104 °C
HS code
290519
Category
Synthetic aroma chemicals
UN number
UN 3082
Illustrative photo, an amber glass solvent bottle with clear liquid on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Isodecanol?

Plain description, key identifiers and synonyms

Isodecyl alcohol is a colorless liquid with a mild alcohol odor. Floats on water. (USCG, 1999)

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
8-methylnonan-1-ol
CAS number
25339-17-7 CAS number cross-checkedOther or deprecated CAS: 55505-26-5
EC number
246-869-1
Molecular formula
C10H22O
UNII
3160X491M7
MDL number
MFCD00044085
INCI name
ISODECYL ALCOHOL
InChIKey
PLLBRTOLHQQAQQ-UHFFFAOYSA-N
InChI
InChI=1S/C10H22O/c1-10(2)8-6-4-3-5-7-9-11/h10-11H,3-9H2,1-2H3
SMILES (canonical and isomeric)
CC(C)CCCCCCCO

Synonyms

  • Isodecyl alcohol
  • Exxal 10
  • 8-methylnonan-1-ol
  • 8-methyl-1-nonanol
  • 8-Methylnonanol
  • 1-Nonanol, 8-methyl-
  • 8-Methyl-1-nonyl Alcohol
  • iso-Decylalcohol
  • 8-Methyl-nonan-1-ol
  • Isodecanol (mixture of C9-11-iso-, C10-rich alcohols)

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 liquidexp.
Odour
WEAK ALCOHOLICexp.
Melting point
<60exp.
Boiling point
220 °Cexp.
Density
Relative density (water = 1): 0.84exp.
Flash point
104 °Cexp.
Autoignition temperature
266 °Cexp.
Solubility
Insoluble in waterexp.
Vapour pressure
0.0207 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
158.29 g/molcalc.
Exact mass
158.1671 Dacalc.
LogP (octanol/water)
2.98calc.
Topological polar surface area
20.23 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
7calc.
Heavy atoms
11calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
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
100NFPA 704 rating

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H411Toxic to aquatic life with long lasting effects.
Precautionary statements (12)
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • 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.
  • 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.
UN number
UN 3082

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

Isodecanol suppliers

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

All 21 suppliers
21 of 21 offers

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Where suppliers are based

21 suppliers in 9 countries

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Isodecanol 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

Production of plasticizers.

Antifoaming agent in textile processing.

Chemical intermediate for the plasticizer, diisodecyl phthalate, ingredient in synthetic lubricants, agent in uranium refining, specialty solvent, antifoaming agent in textile processing.

Industrial uses: Stabilizing agent.

Cosmetic ingredient, INCI name ISODECYL ALCOHOL(perfuming)

Functional uses

  • Fragrance

Cosmetic functions

  • Perfuming

How it is made

Reaction of nonenes, carbon monoxide, and hydrogen using a cobalt catalyst (oxo process), followed by hydrogenation

Polymerization of propylenes and butenes with phosphoric acid at 200 °C and 3040-6080 kPa to give a mixture of branched olefins (which upon alkaline hydrolysis) gives isodecyl alcohol.

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 Isodecanol is traded under.

HS 2905.19Indicative HS code

Saturated monohydric alcohols, other

World exports in 2024
$2.15B
+56.9% vs 2023, imports $1.93B
2019 to 2024
Top exporters
  1. Germany29.0%
  2. Singapore16.6%
  3. Netherlands10.6%
Top importers
  1. China17.3%
  2. Netherlands14.2%
  3. India * partner reported9.6%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Isodecanol?

Isodecyl alcohol is a colorless liquid with a mild alcohol odor. Floats on water. (USCG, 1999)

What is Isodecanol used for?

Production of plasticizers. Antifoaming agent in textile processing. Chemical intermediate for the plasticizer, diisodecyl phthalate, ingredient in synthetic lubricants, agent in uranium refining, specialty solvent, antifoaming agent in textile processing. Industrial uses: Stabilizing agent.

Is Isodecanol hazardous?

Isodecanol carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation, toxic to aquatic life with long lasting effects. This summary is not an SDS, always read the supplier safety data sheet.

Guides for buyers

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

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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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