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Isotope-labelled compounds

Oxirane-d4

Also known as 2,2,3,3-tetradeuteriooxirane, tetradeuterio-oxirane, (~2~H_4_)Oxirane

CAS 6552-57-4Formula C2H4OMolar mass 48.08 g/molEC 687-218-5
GHS signal word: Danger. Pictograms: Flammable, Acute toxicity (severe), Serious health hazard
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Oxirane-d4 chemical structure, C2H4O, CAS 6552-57-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
6552-57-4
Formula
C2H4O
Molar mass
48.08 g/mol
Physical form
Gas
HS code
284590
Category
Isotope-labelled compounds
Illustrative photo, a small gas cylinder with a regulator in a lab on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Oxirane-d4?

Plain description, key identifiers and synonyms

Oxirane-d4 is a chemical substance with the molecular formula C2H4O and a molar mass of 48.08 g/mol. Its CAS registry number is 6552-57-4. The IUPAC name is 2,2,3,3-tetradeuteriooxirane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2,2,3,3-tetradeuteriooxirane
CAS number
6552-57-4 CAS number cross-checked
EC number
687-218-5
Molecular formula
C2H4O
InChIKey
IAYPIBMASNFSPL-LNLMKGTHSA-N
InChI
InChI=1S/C2H4O/c1-2-3-1/h1-2H2/i1D2,2D2
Canonical SMILES
C1CO1
Isomeric SMILES
[2H]C1(C(O1)([2H])[2H])[2H]

Synonyms

  • 2,2,3,3-tetradeuteriooxirane
  • tetradeuterio-oxirane
  • (~2~H_4_)Oxirane
  • Oxirane-2,2,3,3-d4
  • Ethylene-d4 oxide, >=98 atom % D, >=99% (CP), 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
Gasexp.

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)
0.02calc.
Topological polar surface area
12.53 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
0calc.
Heavy atoms
3calc.
Rings
1calc.
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.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, C1CO1

C1CO1

1 ring, 3 atoms, the Ethylene oxide ring system.

3,057 other chemicals share this scaffold

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)
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H220Extremely flammable gas.
  • H301 + H331Toxic if swallowed. Toxic if inhaled.
  • H301Toxic if swallowed.
  • H319Causes serious eye irritation.
  • H331Toxic if inhaled.
  • H335May cause respiratory irritation.
  • H340May cause genetic defects.
  • H350May cause cancer.
  • H412Harmful to aquatic life with long lasting effects.
Precautionary statements (25)
  • P203Obtain, read and follow all safety instructions before use.
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P222Do not allow contact with air.
  • 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.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • 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.
  • P316Get emergency medical help immediately.
  • P318If exposed or concerned, get medical advice.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P337 + P317If eye irritation persists: Get medical help.
  • P377Leaking gas fire: do not extinguish, unless leak can be stopped safely.
  • P381In case of leakage, eliminate all ignition sources.
  • P403Store in a well-ventilated place.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • 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

Oxirane-d4 suppliers

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Oxirane-d4 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 Oxirane-d4 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 Oxirane-d4 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Oxirane-d4, based on the data on this page

What is Oxirane-d4?

Oxirane-d4 is a chemical substance with the molecular formula C2H4O and a molar mass of 48.08 g/mol. Its CAS registry number is 6552-57-4. The IUPAC name is 2,2,3,3-tetradeuteriooxirane.

What is the CAS number of Oxirane-d4?

The CAS registry number of Oxirane-d4 is 6552-57-4.

What is the molecular formula and weight of Oxirane-d4?

The molecular formula of Oxirane-d4 is C2H4O and its molar mass is 48.08 g/mol.

What is Oxirane-d4 used for?

Known uses and roles of Oxirane-d4 include isotope-labelled compounds in research and laboratory.

Is Oxirane-d4 hazardous?

Oxirane-d4 carries the GHS signal word "Danger". Main hazards: extremely flammable gas, toxic if swallowed. toxic if inhaled, toxic if swallowed. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Oxirane-d4?

Oxirane-d4 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 Oxirane-d4?

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What is the price of Oxirane-d4?

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Guides for buyers

Practical guides that help when you source, ship or handle Oxirane-d4

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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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