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Aldehydes and ketones

Cyclohexanecarboxaldehyde, 3-ethyl-

Also known as 3-ethylcyclohexane-1-carbaldehyde, 3-ethylcyclohexanecarbaldehyde

CAS 1343342-68-6Formula C9H16OMolar mass 140.23 g/molEC 860-681-2
GHS signal word: Warning. Pictograms: Flammable, Harmful or irritant
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Cyclohexanecarboxaldehyde, 3-ethyl- chemical structure, C9H16O, CAS 1343342-68-6
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
1343342-68-6
Formula
C9H16O
Molar mass
140.23 g/mol
Physical form
Liquid
HS code
291229
Category
Aldehydes and ketones
Illustrative photo, 200 litre blue HDPE drums of liquid in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Cyclohexanecarboxaldehyde, 3-ethyl-?

Plain description, key identifiers and synonyms

Cyclohexanecarboxaldehyde, 3-ethyl- is a chemical substance with the molecular formula C9H16O and a molar mass of 140.23 g/mol. Its CAS registry number is 1343342-68-6. The IUPAC name is 3-ethylcyclohexane-1-carbaldehyde.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3-ethylcyclohexane-1-carbaldehyde
CAS number
1343342-68-6
EC number
860-681-2
Molecular formula
C9H16O
InChIKey
QQEDUHVMCXRENM-UHFFFAOYSA-N
InChI
InChI=1S/C9H16O/c1-2-8-4-3-5-9(6-8)7-10/h7-9H,2-6H2,1H3
SMILES (canonical and isomeric)
CCC1CCCC(C1)C=O

Synonyms

  • 3-ethylcyclohexane-1-carbaldehyde
  • 3-ethylcyclohexanecarbaldehyde

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
140.23 g/molcalc.
Exact mass
140.1201 Dacalc.
LogP (octanol/water)
2.4calc.
Topological polar surface area
17.07 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
2calc.
Heavy atoms
10calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.89calc.
Formal charge
0calc.
Stereocentres
2calc.
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
GHS02: Flammable
Flammable
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H226Flammable liquid and vapour.
  • H227Combustible liquid.
  • H302Harmful if swallowed.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (29)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P233Keep container tightly closed.
  • P240Ground and bond container and receiving equipment.
  • P241Use explosion-proof electrical, ventilating and lighting equipment.
  • P242Use non-sparking tools.
  • P243Take action to prevent static discharges.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • 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.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P403Store in a well-ventilated place.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P403 + P235Store in a well-ventilated place. Keep cool.
  • 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

Cyclohexanecarboxaldehyde, 3-ethyl- suppliers

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Cyclohexanecarboxaldehyde, 3-ethyl- price

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Cyclohexanecarboxaldehyde, 3-ethyl- is traded under.

HS 2912.29Indicative HS code

Cyclic aldehydes without other oxygen function, other

World exports in 2024
$435M
+19.0% vs 2023, imports $484M
2019 to 2024
Top exporters
  1. China19.5%
  2. Japan17.4%
  3. India * partner reported13.0%
Top importers
  1. United States22.5%
  2. China9.2%
  3. Singapore8.4%

* Partner reported figures, a lower bound.

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

The HS code shown for Cyclohexanecarboxaldehyde, 3-ethyl- is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Cyclohexanecarboxaldehyde, 3-ethyl-, based on the data on this page

What is Cyclohexanecarboxaldehyde, 3-ethyl-?

Cyclohexanecarboxaldehyde, 3-ethyl- is a chemical substance with the molecular formula C9H16O and a molar mass of 140.23 g/mol. Its CAS registry number is 1343342-68-6. The IUPAC name is 3-ethylcyclohexane-1-carbaldehyde.

What is the CAS number of Cyclohexanecarboxaldehyde, 3-ethyl-?

The CAS registry number of Cyclohexanecarboxaldehyde, 3-ethyl- is 1343342-68-6.

What is the molecular formula and weight of Cyclohexanecarboxaldehyde, 3-ethyl-?

The molecular formula of Cyclohexanecarboxaldehyde, 3-ethyl- is C9H16O and its molar mass is 140.23 g/mol.

What is Cyclohexanecarboxaldehyde, 3-ethyl- used for?

Known uses and roles of Cyclohexanecarboxaldehyde, 3-ethyl- include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Cyclohexanecarboxaldehyde, 3-ethyl- hazardous?

Cyclohexanecarboxaldehyde, 3-ethyl- carries the GHS signal word "Warning". Main hazards: flammable liquid and vapour, combustible liquid, harmful if swallowed. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Cyclohexanecarboxaldehyde, 3-ethyl-?

Cyclohexanecarboxaldehyde, 3-ethyl- is usually classified under HS code 291229 (Cyclic aldehydes without other oxygen function, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Cyclohexanecarboxaldehyde, 3-ethyl-?

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What is the price of Cyclohexanecarboxaldehyde, 3-ethyl-?

Suppliers quote Cyclohexanecarboxaldehyde, 3-ethyl- 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 Cyclohexanecarboxaldehyde, 3-ethyl-

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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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