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1,1,2,2-tetradeuterioethene

Also known as: (2H4)Ethene, (2H4)Ethylene, 1,1,2,2-tetradeuterioethylene, C2D4, EINECS 211-675-8, ETHYLENE-D4, Ethene-d4, Ethylene-d4, Perdeuterioethylene, Poly(ethylene-d4), Tetradeuterioethene, Tetradeuteroethylene, [2H4]ethene, d4-ethylene, ethylene-d4(gas), perdeuterioethylene

1,1,2,2-tetradeuterioethene (CAS 683-73-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C2D4 and a molecular weight of 32.07780 g/mol. Key properties include a melting point of -169ºC(lit.), a boiling point of -104ºC(lit.), a density of 0.97 (vs air) and a flash point of -100ºC. It is classified under GHS with signal word Danger and hazard statements H220, H280 and H336 — May cause drowsiness or dizziness. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
683-73-8
Jingsj CID
J-1354124-7
Molecular Formula
C2D4
Molecular Weight
32.07780 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026
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Physicochemical Properties

Melting Point-169ºC(lit.)
Boiling Point-104ºC(lit.)
Density0.97 (vs air)
Flash Point-100ºC
Exact Mass32.05640
LogP0.80220
Refractive Index1.295

GHS Safety & Compliance

Flammable / Compressed Gas / IrritantSignal word: Danger
  • H220
  • H280
  • H336 — May cause drowsiness or dizziness

Frequently Asked Questions

What is the CAS number of 1,1,2,2-tetradeuterioethene?

The CAS number of 1,1,2,2-tetradeuterioethene is 683-73-8.

What are the molecular formula and molecular weight of 1,1,2,2-tetradeuterioethene?

1,1,2,2-tetradeuterioethene has molecular formula C2D4 and molecular weight 32.07780 g/mol.

Is 1,1,2,2-tetradeuterioethene hazardous?

1,1,2,2-tetradeuterioethene has GHS signal word Danger and hazard statements H220; H280; H336 — May cause drowsiness or dizziness.

What are the upstream and downstream products of 1,1,2,2-tetradeuterioethene?

For 1,1,2,2-tetradeuterioethene, Upstream Products: 1,2-dibromoethane-d4, Ethanol-d6, 2-Methylpropane-2-d; Downstream Products: Bromoethane-d5, 1-hexene, 1,2-dibromoethane-d4.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1,1,2,2-tetradeuterioethene (CAS 683-73-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1354124-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.