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Isotope-labelled compounds

(2H4)Acetaldehyde

Also known as [2H4]acetaldehyde, Acetaldehyde-1,2,2,2-d4, Acetaldehyde-d4

CAS 1632-89-9Formula C2H4OMolar mass 48.08 g/molEC 216-641-6
GHS signal word: Danger. Pictograms: Flammable, Corrosive, Harmful or irritant, Serious health hazard 3 suppliers listed
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(2H4)Acetaldehyde chemical structure, C2H4O, CAS 1632-89-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
1632-89-9
Formula
C2H4O
Molar mass
48.08 g/mol
Physical form
Liquid
HS code
284590
Category
Isotope-labelled compounds
Illustrative photo, assorted laboratory chemical bottles and jars on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is (2H4)Acetaldehyde?

Plain description, key identifiers and synonyms

(2H4)Acetaldehyde is a chemical substance with the molecular formula C2H4O and a molar mass of 48.08 g/mol. Its CAS registry number is 1632-89-9. The IUPAC name is 1,2,2,2-tetradeuterioethanone.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1,2,2,2-tetradeuterioethanone
CAS number
1632-89-9 CAS number cross-checked
EC number
216-641-6
Molecular formula
C2H4O
InChIKey
IKHGUXGNUITLKF-MZCSYVLQSA-N
InChI
InChI=1S/C2H4O/c1-2-3/h2H,1H3/i1D3,2D
Canonical SMILES
CC=O
Isomeric SMILES
[2H]C(=O)C([2H])([2H])[2H]

Synonyms

  • [2H4]acetaldehyde
  • Acetaldehyde-1,2,2,2-d4
  • Acetaldehyde-d4
  • 1,2,2,2-tetradeuterioethanone
  • Acetaldehyde D4
  • Acetaldehyde-d4-
  • (~2~H_4_)Acetaldehyde
  • Acetaldehyde-d4, >=99 atom % D, >=98% (CP)

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
48.08 g/molcalc.
Exact mass
48.0513 Dacalc.
LogP (octanol/water)
0.21calc.
Topological polar surface area
17.07 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
0calc.
Heavy atoms
3calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.5calc.
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
GHS05: Corrosive
Corrosive
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H224Extremely flammable liquid and vapour.
  • H302Harmful if swallowed.
  • H318Causes serious eye damage.
  • H335May cause respiratory irritation.
  • H351Suspected of causing cancer.
Precautionary statements (26)
  • P203Obtain, read and follow all safety instructions before use.
  • 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.
  • 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 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.
  • P318If exposed or concerned, get medical advice.
  • P319Get medical help if you feel unwell.
  • P330Rinse mouth.
  • 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

(2H4)Acetaldehyde suppliers

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All 3 suppliers

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Where suppliers are based

3 suppliers in 2 countries

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(2H4)Acetaldehyde 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 (2H4)Acetaldehyde is traded under.

HS 2845.90Indicative HS code

Compounds, inorganic or organic, of such isotopes, whether or not chemically defined

World exports in 2024
$2.67B
+19.0% vs 2023, imports $1.67B
2019 to 2024
Top exporters
  1. Ireland55.3%
  2. Hong Kong11.8%
  3. United States10.7%
Top importers
  1. China24.3%
  2. Ireland21.9%
  3. South Korea13.3%
Reported customs values in USD, not prices.Full trade data

The HS code shown for (2H4)Acetaldehyde is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about (2H4)Acetaldehyde, based on the data on this page

What is (2H4)Acetaldehyde?

(2H4)Acetaldehyde is a chemical substance with the molecular formula C2H4O and a molar mass of 48.08 g/mol. Its CAS registry number is 1632-89-9. The IUPAC name is 1,2,2,2-tetradeuterioethanone.

What is the CAS number of (2H4)Acetaldehyde?

The CAS registry number of (2H4)Acetaldehyde is 1632-89-9.

What is the molecular formula and weight of (2H4)Acetaldehyde?

The molecular formula of (2H4)Acetaldehyde is C2H4O and its molar mass is 48.08 g/mol.

What is (2H4)Acetaldehyde used for?

Known uses and roles of (2H4)Acetaldehyde include isotope-labelled compounds in research and laboratory.

Is (2H4)Acetaldehyde hazardous?

(2H4)Acetaldehyde carries the GHS signal word "Danger". Main hazards: extremely flammable liquid and vapour, harmful if swallowed, causes serious eye damage. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of (2H4)Acetaldehyde?

(2H4)Acetaldehyde is usually classified under HS code 284590 (Isotopes other than those of heading 2844, compounds, inorganic or organic, of such…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy (2H4)Acetaldehyde?

CompoundList lists 3 suppliers of (2H4)Acetaldehyde in South Korea and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of (2H4)Acetaldehyde?

Suppliers quote (2H4)Acetaldehyde 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 (2H4)Acetaldehyde

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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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