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Aldehydes and ketones

Ethylacrolein

Also known as 2-Ethylacrolein, 2-Methylenebutanal, Ethacrolein

CAS 922-63-4Formula C5H8OMolar mass 84.12 g/molEC 213-079-3
GHS signal word: Danger. Pictograms: Flammable, Acute toxicity (severe), Harmful or irritant 3 suppliers listed
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Ethylacrolein chemical structure, C5H8O, CAS 922-63-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
922-63-4
Formula
C5H8O
Molar mass
84.12 g/mol
Physical form
Liquid
HS code
291219
Category
Aldehydes and ketones
Illustrative photo, closed amber glass reagent bottles on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Ethylacrolein?

Plain description, key identifiers and synonyms

Ethylacrolein is a chemical substance with the molecular formula C5H8O and a molar mass of 84.12 g/mol. Its CAS registry number is 922-63-4. The IUPAC name is 2-methylidenebutanal.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-methylidenebutanal
CAS number
922-63-4 CAS number cross-checked
EC number
213-079-3
Molecular formula
C5H8O
MDL number
MFCD00010129
InChIKey
GMLDCZYTIPCVMO-UHFFFAOYSA-N
InChI
InChI=1S/C5H8O/c1-3-5(2)4-6/h4H,2-3H2,1H3
SMILES (canonical and isomeric)
CCC(=C)C=O

Synonyms

  • 2-Ethylacrolein
  • 2-Methylenebutanal
  • Ethacrolein
  • alpha-Ethylacrolein
  • 2-methylidenebutanal
  • 2-Ethylpropenal
  • 2-Ethylacrylaldehyde
  • Butanal, 2-methylene-
  • 2-Methylenebutyraldehyde
  • 2-Ethacrolein
  • alpha-Ethylacrylaldehyde
  • Butyraldehyde, 2-methylene-
  • 2-Ethylacroleine
  • 2-ethyl acrolein
  • 2-ethyl-acrolein
  • 2-formylbut-1-ene
  • 2-ethyl-2-propenal
  • 2-Ethylacrylaldehyde #
  • 4-01-00-03463 (Beilstein Handbook Reference)
  • 2-Ethylacrolein, contains hydroquinone as stabilizer

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
84.12 g/molcalc.
Exact mass
84.0575 Dacalc.
LogP (octanol/water)
1.15calc.
Topological polar surface area
17.07 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
2calc.
Heavy atoms
6calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.4calc.
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
Danger
GHS02: Flammable
Flammable
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H225Highly flammable liquid and vapour.
  • H302Harmful if swallowed.
  • H312Harmful in contact with skin.
  • H330Fatal if inhaled.
Precautionary statements (27)
  • 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.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • 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.
  • P284In case of inadequate ventilation wear respiratory 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.
  • P316Get emergency medical help immediately.
  • P317Get medical help.
  • P320Specific treatment is urgent (see supplemental first aid instructions on the label).
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • 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

Ethylacrolein suppliers

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

All 3 suppliers

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Where suppliers are based

3 suppliers in 1 country

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Ethylacrolein 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

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 Ethylacrolein 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 Ethylacrolein is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Ethylacrolein?

Ethylacrolein is a chemical substance with the molecular formula C5H8O and a molar mass of 84.12 g/mol. Its CAS registry number is 922-63-4. The IUPAC name is 2-methylidenebutanal.

What is the CAS number of Ethylacrolein?

The CAS registry number of Ethylacrolein is 922-63-4.

What is the molecular formula and weight of Ethylacrolein?

The molecular formula of Ethylacrolein is C5H8O and its molar mass is 84.12 g/mol.

What is Ethylacrolein used for?

Known uses and roles of Ethylacrolein include building blocks in research and laboratory.

Is Ethylacrolein hazardous?

Ethylacrolein carries the GHS signal word "Danger". Main hazards: highly flammable liquid and vapour, harmful if swallowed, harmful in contact with skin. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Ethylacrolein?

Ethylacrolein 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 Ethylacrolein?

CompoundList lists 3 suppliers of Ethylacrolein 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 Ethylacrolein?

Suppliers quote Ethylacrolein 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 Ethylacrolein

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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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