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Synthetic aroma chemicals

Nonanal

Also known as 1-Nonanal, Pelargonaldehyde, Nonanaldehyde

CAS 124-19-6Formula C9H18OMolar mass 142.24 g/molEC 204-688-5
GHS signal word: Warning. Pictograms: Harmful or irritant 41 suppliers listed
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Nonanal chemical structure, C9H18O, CAS 124-19-6
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless liquid
Melting point
-19.3 °C
Boiling point
195 °C
Density
0.8264 g/cm³ at 22 °C
Flash point
64 °C
HS code
291219
Category
Synthetic aroma chemicals
UN number
UN 1993
Illustrative photo, clear colourless liquid in a glass reagent bottle on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Nonanal?

Plain description, key identifiers and synonyms

Nonanal is a saturated fatty aldehyde formally arising from reduction of the carboxy group of nonanoic acid. Metabolite observed in cancer metabolism. It has a role as a plant metabolite and a human metabolite. It is a n-alkanal, a saturated fatty aldehyde and a medium-chain fatty aldehyde. It is functionally related to a nonanoic acid.

Nonanal is an alkyl aldehyde, colourless, oily liquid component of perfumes.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
nonanal
CAS number
124-19-6 CAS number cross-checked
EC number
204-688-5
Molecular formula
C9H18O
UNII
2L2WBY9K6T
MDL number
MFCD00007030
INCI name
NONANAL
InChIKey
GYHFUZHODSMOHU-UHFFFAOYSA-N
InChI
InChI=1S/C9H18O/c1-2-3-4-5-6-7-8-9-10/h9H,2-8H2,1H3
SMILES (canonical and isomeric)
CCCCCCCCC=O

Synonyms

  • 1-Nonanal
  • Pelargonaldehyde
  • Nonanaldehyde
  • n-Nonanal
  • Nonyl aldehyde
  • n-Nonaldehyde
  • Nonaldehyde
  • Nonylaldehyde
  • Pelargonic aldehyde
  • Nonylic aldehyde
  • 1-Nonaldehyde
  • Nonanoic aldehyde
  • Aldehyde C-9
  • 1-Nonyl aldehyde
  • C-9 aldehyde
  • n-Nonylaldehyde
  • Nonoic aldehyde
  • C9 aldehyde
  • Aldehyde C9
  • Nonyl aldehyde,N-
  • Aldehyde C9, Nonyl aldehyde, Pelargonaldehyde
  • n-NONYL ALDEHYDE
  • non-aldehyde
  • Nonanal (Standard)
  • n-Nonan-1-al
Show all 32 synonyms
  • Nonyl aldehyde, n-
  • Nonanal, 95%
  • Nonanal, 97%
  • Nonanal, analytical standard
  • Nonanal, >=95%, FCC
  • 4-01-00-03352 (Beilstein Handbook Reference)
  • QSPL 015

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
Orange-rose odorexp.
Melting point
-19.3 °Cexp.
Boiling point
195 °Cexp.
Density
0.8264 g/cm³ at 22 °Cexp.
Flash point
64 °Cexp.
Solubility
In water, 96 mg/L at 25 °Cexp.
Vapour pressure
3.7 × 10⁻¹ mm Hg at 25 °C /Extrapolated/exp.

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
142.24 g/molcalc.
Exact mass
142.1358 Dacalc.
LogP (octanol/water)
2.94calc.
Topological polar surface area
17.07 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
7calc.
Heavy atoms
10calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.89calc.
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

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H412Harmful to aquatic life with long lasting effects.
Precautionary statements (11)
  • 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.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 1993

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

Nonanal suppliers

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

All 41 suppliers
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Where suppliers are based

41 suppliers in 13 countries

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Nonanal 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

Used in the perfume industry.

Flavoring agent.

Used in floral compositions, particularly those with rose characteristics.

Nonanal is a synthetic flavoring substance and adjuvant permitted for direct addition to food for human consumption.

Reported uses (ppm):

Table: Reported uses (ppm): (Flavor and Extract Manufacturers' Association, 1994) [Table#6836].

Industrial uses: Intermediate.

Consumer uses: Fragrance.

Cosmetic ingredient, INCI name NONANAL(perfuming)

Roles

  • animal metabolite
  • eukaryotic metabolite
  • human metabolite
  • mammalian metabolite
  • metabolite
  • plant metabolite

Functional uses

  • Flavouring and nutrient
  • Fragrance

Cosmetic functions

  • Perfuming

How it is made

Nonanal is prepared by catalytic dehydrogenation of nonanol, by hydroformylation of 1-octene, or by reaction of formic acid and nonanoic acid on a titanium dioxide catalyst.

By catalytic oxidation of the corresponding alcohol (n-nonanol) or reduction of the corresponding acid.

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 Nonanal is traded under.

HS 2912.19Indicative HS code

Acyclic aldehydes without other oxygen function, other

World exports in 2024
$679M
+4.8% vs 2023, imports $743M
2019 to 2024
Top exporters
  1. Germany22.0%
  2. China21.2%
  3. United States18.5%
Top importers
  1. United States13.1%
  2. Germany9.6%
  3. Belgium8.2%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Nonanal?

Nonanal is a saturated fatty aldehyde formally arising from reduction of the carboxy group of nonanoic acid. Metabolite observed in cancer metabolism. It has a role as a plant metabolite and a human metabolite. It is a n-alkanal, a saturated fatty aldehyde and a medium-chain fatty aldehyde.

What is the CAS number of Nonanal?

The CAS registry number of Nonanal is 124-19-6.

What is the molecular formula and weight of Nonanal?

The molecular formula of Nonanal is C9H18O and its molar mass is 142.24 g/mol.

What is Nonanal used for?

Used in the perfume industry. Flavoring agent. Used in floral compositions, particularly those with rose characteristics. Nonanal is a synthetic flavoring substance and adjuvant permitted for direct addition to food for human consumption.

Is Nonanal hazardous?

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

What is the HS code of Nonanal?

Nonanal is usually classified under HS code 291219 (Acyclic aldehydes without other oxygen function, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Nonanal?

CompoundList lists 41 suppliers of Nonanal in China, United States, France, Japan and 9 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Nonanal in India?

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

What is the price of Nonanal?

Suppliers quote Nonanal 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 Nonanal

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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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